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<title>Data/HashMap/Base.hs</title>
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<pre><a name="line-1"></a><span class='hs-comment'>{-# LANGUAGE BangPatterns, CPP, DeriveDataTypeable, MagicHash #-}</span>
<a name="line-2"></a><span class='hs-comment'>{-# OPTIONS_GHC -fno-full-laziness -funbox-strict-fields #-}</span>
<a name="line-3"></a>
<a name="line-4"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>HashMap</span><span class='hs-varop'>.</span><span class='hs-conid'>Base</span>
<a name="line-5"></a> <span class='hs-layout'>(</span>
<a name="line-6"></a> <span class='hs-conid'>HashMap</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span>
<a name="line-7"></a> <span class='hs-layout'>,</span> <span class='hs-conid'>Leaf</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span>
<a name="line-8"></a>
<a name="line-9"></a> <span class='hs-comment'>-- * Construction</span>
<a name="line-10"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>empty</span>
<a name="line-11"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>singleton</span>
<a name="line-12"></a>
<a name="line-13"></a> <span class='hs-comment'>-- * Basic interface</span>
<a name="line-14"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>null</span>
<a name="line-15"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>size</span>
<a name="line-16"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>member</span>
<a name="line-17"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>lookup</span>
<a name="line-18"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>lookupDefault</span>
<a name="line-19"></a> <span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-varop'>!</span><span class='hs-layout'>)</span>
<a name="line-20"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>insert</span>
<a name="line-21"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>insertWith</span>
<a name="line-22"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>unsafeInsert</span>
<a name="line-23"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>delete</span>
<a name="line-24"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>adjust</span>
<a name="line-25"></a>
<a name="line-26"></a> <span class='hs-comment'>-- * Combine</span>
<a name="line-27"></a> <span class='hs-comment'>-- ** Union</span>
<a name="line-28"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>union</span>
<a name="line-29"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>unionWith</span>
<a name="line-30"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>unions</span>
<a name="line-31"></a>
<a name="line-32"></a> <span class='hs-comment'>-- * Transformations</span>
<a name="line-33"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>map</span>
<a name="line-34"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>traverseWithKey</span>
<a name="line-35"></a>
<a name="line-36"></a> <span class='hs-comment'>-- * Difference and intersection</span>
<a name="line-37"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>difference</span>
<a name="line-38"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>intersection</span>
<a name="line-39"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>intersectionWith</span>
<a name="line-40"></a>
<a name="line-41"></a> <span class='hs-comment'>-- * Folds</span>
<a name="line-42"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>foldl'</span>
<a name="line-43"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>foldlWithKey'</span>
<a name="line-44"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>foldr</span>
<a name="line-45"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>foldrWithKey</span>
<a name="line-46"></a>
<a name="line-47"></a> <span class='hs-comment'>-- * Filter</span>
<a name="line-48"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>filter</span>
<a name="line-49"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>filterWithKey</span>
<a name="line-50"></a>
<a name="line-51"></a> <span class='hs-comment'>-- * Conversions</span>
<a name="line-52"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>keys</span>
<a name="line-53"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>elems</span>
<a name="line-54"></a>
<a name="line-55"></a> <span class='hs-comment'>-- ** Lists</span>
<a name="line-56"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>toList</span>
<a name="line-57"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>fromList</span>
<a name="line-58"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>fromListWith</span>
<a name="line-59"></a>
<a name="line-60"></a> <span class='hs-comment'>-- Internals used by the strict version</span>
<a name="line-61"></a> <span class='hs-layout'>,</span> <span class='hs-conid'>Bitmap</span>
<a name="line-62"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>bitmapIndexedOrFull</span>
<a name="line-63"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>collision</span>
<a name="line-64"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>hash</span>
<a name="line-65"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>mask</span>
<a name="line-66"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>index</span>
<a name="line-67"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>bitsPerSubkey</span>
<a name="line-68"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>fullNodeMask</span>
<a name="line-69"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>sparseIndex</span>
<a name="line-70"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>two</span>
<a name="line-71"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>unionArrayBy</span>
<a name="line-72"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>update16</span>
<a name="line-73"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>update16M</span>
<a name="line-74"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>update16With'</span>
<a name="line-75"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>updateOrConcatWith</span>
<a name="line-76"></a> <span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-77"></a>
<a name="line-78"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Applicative</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-varop'><$></span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-conid'>Applicative</span><span class='hs-layout'>(</span><span class='hs-varid'>pure</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-79"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>DeepSeq</span> <span class='hs-layout'>(</span><span class='hs-conid'>NFData</span><span class='hs-layout'>(</span><span class='hs-varid'>rnf</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-80"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Monad</span><span class='hs-varop'>.</span><span class='hs-conid'>ST</span> <span class='hs-layout'>(</span><span class='hs-conid'>ST</span><span class='hs-layout'>)</span>
<a name="line-81"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Bits</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-varop'>.&.</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-varop'>.|.</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-varid'>complement</span><span class='hs-layout'>)</span>
<a name="line-82"></a><span class='hs-keyword'>import</span> <span class='hs-keyword'>qualified</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Foldable</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>Foldable</span>
<a name="line-83"></a><span class='hs-keyword'>import</span> <span class='hs-keyword'>qualified</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>List</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>L</span>
<a name="line-84"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Monoid</span> <span class='hs-layout'>(</span><span class='hs-conid'>Monoid</span><span class='hs-layout'>(</span><span class='hs-varid'>mempty</span><span class='hs-layout'>,</span> <span class='hs-varid'>mappend</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-85"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Traversable</span> <span class='hs-layout'>(</span><span class='hs-conid'>Traversable</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-86"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Word</span> <span class='hs-layout'>(</span><span class='hs-conid'>Word</span><span class='hs-layout'>)</span>
<a name="line-87"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Prelude</span> <span class='hs-varid'>hiding</span> <span class='hs-layout'>(</span><span class='hs-varid'>filter</span><span class='hs-layout'>,</span> <span class='hs-varid'>foldr</span><span class='hs-layout'>,</span> <span class='hs-varid'>lookup</span><span class='hs-layout'>,</span> <span class='hs-varid'>map</span><span class='hs-layout'>,</span> <span class='hs-varid'>null</span><span class='hs-layout'>,</span> <span class='hs-varid'>pred</span><span class='hs-layout'>)</span>
<a name="line-88"></a>
<a name="line-89"></a><span class='hs-keyword'>import</span> <span class='hs-keyword'>qualified</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>HashMap</span><span class='hs-varop'>.</span><span class='hs-conid'>Array</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>A</span>
<a name="line-90"></a><span class='hs-keyword'>import</span> <span class='hs-keyword'>qualified</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Hashable</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>H</span>
<a name="line-91"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Hashable</span> <span class='hs-layout'>(</span><span class='hs-conid'>Hashable</span><span class='hs-layout'>)</span>
<a name="line-92"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>HashMap</span><span class='hs-varop'>.</span><span class='hs-conid'>PopCount</span> <span class='hs-layout'>(</span><span class='hs-varid'>popCount</span><span class='hs-layout'>)</span>
<a name="line-93"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>HashMap</span><span class='hs-varop'>.</span><span class='hs-conid'>Unsafe</span> <span class='hs-layout'>(</span><span class='hs-varid'>runST</span><span class='hs-layout'>)</span>
<a name="line-94"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>HashMap</span><span class='hs-varop'>.</span><span class='hs-conid'>UnsafeShift</span> <span class='hs-layout'>(</span><span class='hs-varid'>unsafeShiftL</span><span class='hs-layout'>,</span> <span class='hs-varid'>unsafeShiftR</span><span class='hs-layout'>)</span>
<a name="line-95"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Typeable</span> <span class='hs-layout'>(</span><span class='hs-conid'>Typeable</span><span class='hs-layout'>)</span>
<a name="line-96"></a>
<a name="line-97"></a><span class='hs-cpp'>#if defined(__GLASGOW_HASKELL__)</span>
<a name="line-98"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Data</span> <span class='hs-varid'>hiding</span> <span class='hs-layout'>(</span><span class='hs-conid'>Typeable</span><span class='hs-layout'>)</span>
<a name="line-99"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>GHC</span><span class='hs-varop'>.</span><span class='hs-conid'>Exts</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-varop'>==#</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-varid'>build</span><span class='hs-layout'>,</span> <span class='hs-varid'>reallyUnsafePtrEquality</span><span class='hs-cpp'>#</span><span class='hs-layout'>)</span>
<a name="line-100"></a><span class='hs-cpp'>#endif</span>
<a name="line-101"></a>
<a name="line-102"></a><span class='hs-comment'>------------------------------------------------------------------------</span>
<a name="line-103"></a>
<a name="line-104"></a><a name="hash"></a><span class='hs-comment'>-- | Convenience function. Compute a hash value for the given value.</span>
<a name="line-105"></a><span class='hs-definition'>hash</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>H</span><span class='hs-varop'>.</span><span class='hs-conid'>Hashable</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>=></span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Hash</span>
<a name="line-106"></a><span class='hs-definition'>hash</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fromIntegral</span> <span class='hs-varop'>.</span> <span class='hs-conid'>H</span><span class='hs-varop'>.</span><span class='hs-varid'>hash</span>
<a name="line-107"></a>
<a name="line-108"></a><a name="Leaf"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>Leaf</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>L</span> <span class='hs-varop'>!</span><span class='hs-varid'>k</span> <span class='hs-varid'>v</span>
<a name="line-109"></a> <span class='hs-keyword'>deriving</span> <span class='hs-layout'>(</span><span class='hs-conid'>Eq</span><span class='hs-layout'>)</span>
<a name="line-110"></a>
<a name="line-111"></a><a name="instance%20NFData%20(Leaf%20k%20v)"></a><span class='hs-keyword'>instance</span> <span class='hs-layout'>(</span><span class='hs-conid'>NFData</span> <span class='hs-varid'>k</span><span class='hs-layout'>,</span> <span class='hs-conid'>NFData</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>NFData</span> <span class='hs-layout'>(</span><span class='hs-conid'>Leaf</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-112"></a> <span class='hs-varid'>rnf</span> <span class='hs-layout'>(</span><span class='hs-conid'>L</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>rnf</span> <span class='hs-varid'>k</span> <span class='hs-varop'>`seq`</span> <span class='hs-varid'>rnf</span> <span class='hs-varid'>v</span>
<a name="line-113"></a>
<a name="line-114"></a><span class='hs-comment'>-- Invariant: The length of the 1st argument to 'Full' is</span>
<a name="line-115"></a><span class='hs-comment'>-- 2^bitsPerSubkey</span>
<a name="line-116"></a>
<a name="line-117"></a><a name="HashMap"></a><span class='hs-comment'>-- | A map from keys to values. A map cannot contain duplicate keys;</span>
<a name="line-118"></a><a name="HashMap"></a><span class='hs-comment'>-- each key can map to at most one value.</span>
<a name="line-119"></a><a name="HashMap"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>HashMap</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span>
<a name="line-120"></a> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Empty</span>
<a name="line-121"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>BitmapIndexed</span> <span class='hs-varop'>!</span><span class='hs-conid'>Bitmap</span> <span class='hs-varop'>!</span><span class='hs-layout'>(</span><span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-conid'>Array</span> <span class='hs-layout'>(</span><span class='hs-conid'>HashMap</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-122"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Leaf</span> <span class='hs-varop'>!</span><span class='hs-conid'>Hash</span> <span class='hs-varop'>!</span><span class='hs-layout'>(</span><span class='hs-conid'>Leaf</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span>
<a name="line-123"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Full</span> <span class='hs-varop'>!</span><span class='hs-layout'>(</span><span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-conid'>Array</span> <span class='hs-layout'>(</span><span class='hs-conid'>HashMap</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-124"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Collision</span> <span class='hs-varop'>!</span><span class='hs-conid'>Hash</span> <span class='hs-varop'>!</span><span class='hs-layout'>(</span><span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-conid'>Array</span> <span class='hs-layout'>(</span><span class='hs-conid'>Leaf</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-125"></a> <span class='hs-keyword'>deriving</span> <span class='hs-layout'>(</span><span class='hs-conid'>Typeable</span><span class='hs-layout'>)</span>
<a name="line-126"></a>
<a name="line-127"></a><a name="instance%20NFData%20(HashMap%20k%20v)"></a><span class='hs-keyword'>instance</span> <span class='hs-layout'>(</span><span class='hs-conid'>NFData</span> <span class='hs-varid'>k</span><span class='hs-layout'>,</span> <span class='hs-conid'>NFData</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>NFData</span> <span class='hs-layout'>(</span><span class='hs-conid'>HashMap</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-128"></a> <span class='hs-varid'>rnf</span> <span class='hs-conid'>Empty</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>()</span>
<a name="line-129"></a> <span class='hs-varid'>rnf</span> <span class='hs-layout'>(</span><span class='hs-conid'>BitmapIndexed</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>ary</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>rnf</span> <span class='hs-varid'>ary</span>
<a name="line-130"></a> <span class='hs-varid'>rnf</span> <span class='hs-layout'>(</span><span class='hs-conid'>Leaf</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>l</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>rnf</span> <span class='hs-varid'>l</span>
<a name="line-131"></a> <span class='hs-varid'>rnf</span> <span class='hs-layout'>(</span><span class='hs-conid'>Full</span> <span class='hs-varid'>ary</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>rnf</span> <span class='hs-varid'>ary</span>
<a name="line-132"></a> <span class='hs-varid'>rnf</span> <span class='hs-layout'>(</span><span class='hs-conid'>Collision</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>ary</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>rnf</span> <span class='hs-varid'>ary</span>
<a name="line-133"></a>
<a name="line-134"></a><a name="instance%20Functor%20(HashMap%20k)"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Functor</span> <span class='hs-layout'>(</span><span class='hs-conid'>HashMap</span> <span class='hs-varid'>k</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-135"></a> <span class='hs-varid'>fmap</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>map</span>
<a name="line-136"></a>
<a name="line-137"></a><a name="instance%20Foldable.Foldable%20(HashMap%20k)"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Foldable</span><span class='hs-varop'>.</span><span class='hs-conid'>Foldable</span> <span class='hs-layout'>(</span><span class='hs-conid'>HashMap</span> <span class='hs-varid'>k</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-138"></a> <span class='hs-varid'>foldr</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>foldrWithKey</span> <span class='hs-layout'>(</span><span class='hs-varid'>const</span> <span class='hs-varid'>f</span><span class='hs-layout'>)</span>
<a name="line-139"></a>
<a name="line-140"></a><a name="instance%20Monoid%20(HashMap%20k%20v)"></a><span class='hs-keyword'>instance</span> <span class='hs-layout'>(</span><span class='hs-conid'>Eq</span> <span class='hs-varid'>k</span><span class='hs-layout'>,</span> <span class='hs-conid'>Hashable</span> <span class='hs-varid'>k</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>Monoid</span> <span class='hs-layout'>(</span><span class='hs-conid'>HashMap</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-141"></a> <span class='hs-varid'>mempty</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>empty</span>
<a name="line-142"></a> <span class='hs-comment'>{-# INLINE mempty #-}</span>
<a name="line-143"></a> <span class='hs-varid'>mappend</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>union</span>
<a name="line-144"></a> <span class='hs-comment'>{-# INLINE mappend #-}</span>
<a name="line-145"></a>
<a name="line-146"></a><span class='hs-cpp'>#if __GLASGOW_HASKELL__</span>
<a name="line-147"></a><a name="instance%20Data%20(HashMap%20k%20v)"></a><span class='hs-keyword'>instance</span> <span class='hs-layout'>(</span><span class='hs-conid'>Data</span> <span class='hs-varid'>k</span><span class='hs-layout'>,</span> <span class='hs-conid'>Data</span> <span class='hs-varid'>v</span><span class='hs-layout'>,</span> <span class='hs-conid'>Eq</span> <span class='hs-varid'>k</span><span class='hs-layout'>,</span> <span class='hs-conid'>Hashable</span> <span class='hs-varid'>k</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>Data</span> <span class='hs-layout'>(</span><span class='hs-conid'>HashMap</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-148"></a> <span class='hs-varid'>gfoldl</span> <span class='hs-varid'>f</span> <span class='hs-varid'>z</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>z</span> <span class='hs-varid'>fromList</span> <span class='hs-varop'>`f`</span> <span class='hs-varid'>toList</span> <span class='hs-varid'>m</span>
<a name="line-149"></a> <span class='hs-varid'>toConstr</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fromListConstr</span>
<a name="line-150"></a> <span class='hs-varid'>gunfold</span> <span class='hs-varid'>k</span> <span class='hs-varid'>z</span> <span class='hs-varid'>c</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>constrIndex</span> <span class='hs-varid'>c</span> <span class='hs-keyword'>of</span>
<a name="line-151"></a> <span class='hs-num'>1</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>k</span> <span class='hs-layout'>(</span><span class='hs-varid'>z</span> <span class='hs-varid'>fromList</span><span class='hs-layout'>)</span>
<a name="line-152"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>error</span> <span class='hs-str'>"gunfold"</span>
<a name="line-153"></a> <span class='hs-varid'>dataTypeOf</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>hashMapDataType</span>
<a name="line-154"></a> <span class='hs-varid'>dataCast2</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>gcast2</span> <span class='hs-varid'>f</span>
<a name="line-155"></a>
<a name="line-156"></a><a name="fromListConstr"></a><span class='hs-definition'>fromListConstr</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Constr</span>
<a name="line-157"></a><span class='hs-definition'>fromListConstr</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>mkConstr</span> <span class='hs-varid'>hashMapDataType</span> <span class='hs-str'>"fromList"</span> <span class='hs-conid'>[]</span> <span class='hs-conid'>Prefix</span>
<a name="line-158"></a>
<a name="line-159"></a><a name="hashMapDataType"></a><span class='hs-definition'>hashMapDataType</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>DataType</span>
<a name="line-160"></a><span class='hs-definition'>hashMapDataType</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>mkDataType</span> <span class='hs-str'>"Data.HashMap.Base.HashMap"</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>fromListConstr</span><span class='hs-keyglyph'>]</span>
<a name="line-161"></a><span class='hs-cpp'>#endif</span>
<a name="line-162"></a>
<a name="line-163"></a><a name="Hash"></a><span class='hs-keyword'>type</span> <span class='hs-conid'>Hash</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Word</span>
<a name="line-164"></a><a name="Bitmap"></a><span class='hs-keyword'>type</span> <span class='hs-conid'>Bitmap</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Word</span>
<a name="line-165"></a><a name="Shift"></a><span class='hs-keyword'>type</span> <span class='hs-conid'>Shift</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Int</span>
<a name="line-166"></a>
<a name="line-167"></a><a name="instance%20Show%20(HashMap%20k%20v)"></a><span class='hs-keyword'>instance</span> <span class='hs-layout'>(</span><span class='hs-conid'>Show</span> <span class='hs-varid'>k</span><span class='hs-layout'>,</span> <span class='hs-conid'>Show</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>Show</span> <span class='hs-layout'>(</span><span class='hs-conid'>HashMap</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-168"></a> <span class='hs-varid'>show</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"fromList "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>show</span> <span class='hs-layout'>(</span><span class='hs-varid'>toList</span> <span class='hs-varid'>m</span><span class='hs-layout'>)</span>
<a name="line-169"></a>
<a name="line-170"></a><a name="instance%20Traversable%20(HashMap%20k)"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Traversable</span> <span class='hs-layout'>(</span><span class='hs-conid'>HashMap</span> <span class='hs-varid'>k</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-171"></a> <span class='hs-varid'>traverse</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>traverseWithKey</span> <span class='hs-layout'>(</span><span class='hs-varid'>const</span> <span class='hs-varid'>f</span><span class='hs-layout'>)</span>
<a name="line-172"></a>
<a name="line-173"></a><a name="instance%20Eq%20(HashMap%20k%20v)"></a><span class='hs-keyword'>instance</span> <span class='hs-layout'>(</span><span class='hs-conid'>Eq</span> <span class='hs-varid'>k</span><span class='hs-layout'>,</span> <span class='hs-conid'>Eq</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>Eq</span> <span class='hs-layout'>(</span><span class='hs-conid'>HashMap</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-174"></a> <span class='hs-layout'>(</span><span class='hs-varop'>==</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>equal</span>
<a name="line-175"></a>
<a name="line-176"></a><a name="equal"></a><span class='hs-definition'>equal</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>Eq</span> <span class='hs-varid'>k</span><span class='hs-layout'>,</span> <span class='hs-conid'>Eq</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>HashMap</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>HashMap</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Bool</span>
<a name="line-177"></a><span class='hs-definition'>equal</span> <span class='hs-varid'>t1</span> <span class='hs-varid'>t2</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>go</span> <span class='hs-layout'>(</span><span class='hs-varid'>toList'</span> <span class='hs-varid'>t1</span> <span class='hs-conid'>[]</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>toList'</span> <span class='hs-varid'>t2</span> <span class='hs-conid'>[]</span><span class='hs-layout'>)</span>
<a name="line-178"></a> <span class='hs-keyword'>where</span>
<a name="line-179"></a> <span class='hs-comment'>-- If the two trees are the same, then their lists of 'Leaf's and</span>
<a name="line-180"></a> <span class='hs-comment'>-- 'Collision's read from left to right should be the same (modulo the</span>
<a name="line-181"></a> <span class='hs-comment'>-- order of elements in 'Collision').</span>
<a name="line-182"></a>
<a name="line-183"></a> <span class='hs-varid'>go</span> <span class='hs-layout'>(</span><span class='hs-conid'>Leaf</span> <span class='hs-varid'>k1</span> <span class='hs-varid'>l1</span> <span class='hs-conop'>:</span> <span class='hs-varid'>tl1</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-conid'>Leaf</span> <span class='hs-varid'>k2</span> <span class='hs-varid'>l2</span> <span class='hs-conop'>:</span> <span class='hs-varid'>tl2</span><span class='hs-layout'>)</span>
<a name="line-184"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>k1</span> <span class='hs-varop'>==</span> <span class='hs-varid'>k2</span> <span class='hs-varop'>&&</span> <span class='hs-varid'>l1</span> <span class='hs-varop'>==</span> <span class='hs-varid'>l2</span>
<a name="line-185"></a> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>go</span> <span class='hs-varid'>tl1</span> <span class='hs-varid'>tl2</span>
<a name="line-186"></a> <span class='hs-varid'>go</span> <span class='hs-layout'>(</span><span class='hs-conid'>Collision</span> <span class='hs-varid'>k1</span> <span class='hs-varid'>ary1</span> <span class='hs-conop'>:</span> <span class='hs-varid'>tl1</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-conid'>Collision</span> <span class='hs-varid'>k2</span> <span class='hs-varid'>ary2</span> <span class='hs-conop'>:</span> <span class='hs-varid'>tl2</span><span class='hs-layout'>)</span>
<a name="line-187"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>k1</span> <span class='hs-varop'>==</span> <span class='hs-varid'>k2</span> <span class='hs-varop'>&&</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>length</span> <span class='hs-varid'>ary1</span> <span class='hs-varop'>==</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>length</span> <span class='hs-varid'>ary2</span> <span class='hs-varop'>&&</span>
<a name="line-188"></a> <span class='hs-conid'>L</span><span class='hs-varop'>.</span><span class='hs-varid'>null</span> <span class='hs-layout'>(</span><span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>toList</span> <span class='hs-varid'>ary1</span> <span class='hs-conid'>L</span><span class='hs-varop'>.\\</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>toList</span> <span class='hs-varid'>ary2</span><span class='hs-layout'>)</span>
<a name="line-189"></a> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>go</span> <span class='hs-varid'>tl1</span> <span class='hs-varid'>tl2</span>
<a name="line-190"></a> <span class='hs-varid'>go</span> <span class='hs-conid'>[]</span> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>True</span>
<a name="line-191"></a> <span class='hs-varid'>go</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>False</span>
<a name="line-192"></a>
<a name="line-193"></a> <span class='hs-varid'>toList'</span> <span class='hs-layout'>(</span><span class='hs-conid'>BitmapIndexed</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>ary</span><span class='hs-layout'>)</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>foldr</span> <span class='hs-varid'>toList'</span> <span class='hs-varid'>a</span> <span class='hs-varid'>ary</span>
<a name="line-194"></a> <span class='hs-varid'>toList'</span> <span class='hs-layout'>(</span><span class='hs-conid'>Full</span> <span class='hs-varid'>ary</span><span class='hs-layout'>)</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>foldr</span> <span class='hs-varid'>toList'</span> <span class='hs-varid'>a</span> <span class='hs-varid'>ary</span>
<a name="line-195"></a> <span class='hs-varid'>toList'</span> <span class='hs-varid'>l</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>Leaf</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>l</span> <span class='hs-conop'>:</span> <span class='hs-varid'>a</span>
<a name="line-196"></a> <span class='hs-varid'>toList'</span> <span class='hs-varid'>c</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>Collision</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>c</span> <span class='hs-conop'>:</span> <span class='hs-varid'>a</span>
<a name="line-197"></a> <span class='hs-varid'>toList'</span> <span class='hs-conid'>Empty</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>a</span>
<a name="line-198"></a>
<a name="line-199"></a><a name="isLeafOrCollision"></a><span class='hs-comment'>-- Helper function to detect 'Leaf's and 'Collision's.</span>
<a name="line-200"></a><span class='hs-definition'>isLeafOrCollision</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>HashMap</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Bool</span>
<a name="line-201"></a><span class='hs-definition'>isLeafOrCollision</span> <span class='hs-layout'>(</span><span class='hs-conid'>Leaf</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>True</span>
<a name="line-202"></a><span class='hs-definition'>isLeafOrCollision</span> <span class='hs-layout'>(</span><span class='hs-conid'>Collision</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>True</span>
<a name="line-203"></a><span class='hs-definition'>isLeafOrCollision</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>False</span>
<a name="line-204"></a>
<a name="line-205"></a><span class='hs-comment'>------------------------------------------------------------------------</span>
<a name="line-206"></a><span class='hs-comment'>-- * Construction</span>
<a name="line-207"></a>
<a name="line-208"></a><a name="empty"></a><span class='hs-comment'>-- | /O(1)/ Construct an empty map.</span>
<a name="line-209"></a><span class='hs-definition'>empty</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>HashMap</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span>
<a name="line-210"></a><span class='hs-definition'>empty</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Empty</span>
<a name="line-211"></a>
<a name="line-212"></a><a name="singleton"></a><span class='hs-comment'>-- | /O(1)/ Construct a map with a single element.</span>
<a name="line-213"></a><span class='hs-definition'>singleton</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>Hashable</span> <span class='hs-varid'>k</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=></span> <span class='hs-varid'>k</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>HashMap</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span>
<a name="line-214"></a><span class='hs-definition'>singleton</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Leaf</span> <span class='hs-layout'>(</span><span class='hs-varid'>hash</span> <span class='hs-varid'>k</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-conid'>L</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span>
<a name="line-215"></a>
<a name="line-216"></a><span class='hs-comment'>------------------------------------------------------------------------</span>
<a name="line-217"></a><span class='hs-comment'>-- * Basic interface</span>
<a name="line-218"></a>
<a name="line-219"></a><a name="null"></a><span class='hs-comment'>-- | /O(1)/ Return 'True' if this map is empty, 'False' otherwise.</span>
<a name="line-220"></a><span class='hs-definition'>null</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>HashMap</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Bool</span>
<a name="line-221"></a><span class='hs-definition'>null</span> <span class='hs-conid'>Empty</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>True</span>
<a name="line-222"></a><span class='hs-definition'>null</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>False</span>
<a name="line-223"></a>
<a name="line-224"></a><a name="size"></a><span class='hs-comment'>-- | /O(n)/ Return the number of key-value mappings in this map.</span>
<a name="line-225"></a><span class='hs-definition'>size</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>HashMap</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Int</span>
<a name="line-226"></a><span class='hs-definition'>size</span> <span class='hs-varid'>t</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>go</span> <span class='hs-varid'>t</span> <span class='hs-num'>0</span>
<a name="line-227"></a> <span class='hs-keyword'>where</span>
<a name="line-228"></a> <span class='hs-varid'>go</span> <span class='hs-conid'>Empty</span> <span class='hs-varop'>!</span><span class='hs-varid'>n</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>n</span>
<a name="line-229"></a> <span class='hs-varid'>go</span> <span class='hs-layout'>(</span><span class='hs-conid'>Leaf</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-varid'>n</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>n</span> <span class='hs-varop'>+</span> <span class='hs-num'>1</span>
<a name="line-230"></a> <span class='hs-varid'>go</span> <span class='hs-layout'>(</span><span class='hs-conid'>BitmapIndexed</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>ary</span><span class='hs-layout'>)</span> <span class='hs-varid'>n</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>foldl'</span> <span class='hs-layout'>(</span><span class='hs-varid'>flip</span> <span class='hs-varid'>go</span><span class='hs-layout'>)</span> <span class='hs-varid'>n</span> <span class='hs-varid'>ary</span>
<a name="line-231"></a> <span class='hs-varid'>go</span> <span class='hs-layout'>(</span><span class='hs-conid'>Full</span> <span class='hs-varid'>ary</span><span class='hs-layout'>)</span> <span class='hs-varid'>n</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>foldl'</span> <span class='hs-layout'>(</span><span class='hs-varid'>flip</span> <span class='hs-varid'>go</span><span class='hs-layout'>)</span> <span class='hs-varid'>n</span> <span class='hs-varid'>ary</span>
<a name="line-232"></a> <span class='hs-varid'>go</span> <span class='hs-layout'>(</span><span class='hs-conid'>Collision</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>ary</span><span class='hs-layout'>)</span> <span class='hs-varid'>n</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>n</span> <span class='hs-varop'>+</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>length</span> <span class='hs-varid'>ary</span>
<a name="line-233"></a>
<a name="line-234"></a><a name="member"></a><span class='hs-comment'>-- | /O(log n)/ Return 'True' if the specified key is present in the</span>
<a name="line-235"></a><span class='hs-comment'>-- map, 'False' otherwise.</span>
<a name="line-236"></a><span class='hs-definition'>member</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>Eq</span> <span class='hs-varid'>k</span><span class='hs-layout'>,</span> <span class='hs-conid'>Hashable</span> <span class='hs-varid'>k</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=></span> <span class='hs-varid'>k</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>HashMap</span> <span class='hs-varid'>k</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Bool</span>
<a name="line-237"></a><span class='hs-definition'>member</span> <span class='hs-varid'>k</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>lookup</span> <span class='hs-varid'>k</span> <span class='hs-varid'>m</span> <span class='hs-keyword'>of</span>
<a name="line-238"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>False</span>
<a name="line-239"></a> <span class='hs-conid'>Just</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>True</span>
<a name="line-240"></a><span class='hs-cpp'>#if __GLASGOW_HASKELL__ >= 700</span>
<a name="line-241"></a><span class='hs-comment'>{-# INLINEABLE member #-}</span>
<a name="line-242"></a><span class='hs-cpp'>#endif</span>
<a name="line-243"></a>
<a name="line-244"></a><a name="lookup"></a><span class='hs-comment'>-- | /O(log n)/ Return the value to which the specified key is mapped,</span>
<a name="line-245"></a><span class='hs-comment'>-- or 'Nothing' if this map contains no mapping for the key.</span>
<a name="line-246"></a><span class='hs-definition'>lookup</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>Eq</span> <span class='hs-varid'>k</span><span class='hs-layout'>,</span> <span class='hs-conid'>Hashable</span> <span class='hs-varid'>k</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=></span> <span class='hs-varid'>k</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>HashMap</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Maybe</span> <span class='hs-varid'>v</span>
<a name="line-247"></a><span class='hs-definition'>lookup</span> <span class='hs-varid'>k0</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>go</span> <span class='hs-varid'>h0</span> <span class='hs-varid'>k0</span> <span class='hs-num'>0</span>
<a name="line-248"></a> <span class='hs-keyword'>where</span>
<a name="line-249"></a> <span class='hs-varid'>h0</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>hash</span> <span class='hs-varid'>k0</span>
<a name="line-250"></a> <span class='hs-varid'>go</span> <span class='hs-varop'>!</span><span class='hs-keyword'>_</span> <span class='hs-varop'>!</span><span class='hs-keyword'>_</span> <span class='hs-varop'>!</span><span class='hs-keyword'>_</span> <span class='hs-conid'>Empty</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Nothing</span>
<a name="line-251"></a> <span class='hs-varid'>go</span> <span class='hs-varid'>h</span> <span class='hs-varid'>k</span> <span class='hs-keyword'>_</span> <span class='hs-layout'>(</span><span class='hs-conid'>Leaf</span> <span class='hs-varid'>hx</span> <span class='hs-layout'>(</span><span class='hs-conid'>L</span> <span class='hs-varid'>kx</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-252"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>h</span> <span class='hs-varop'>==</span> <span class='hs-varid'>hx</span> <span class='hs-varop'>&&</span> <span class='hs-varid'>k</span> <span class='hs-varop'>==</span> <span class='hs-varid'>kx</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Just</span> <span class='hs-varid'>x</span> <span class='hs-comment'>-- TODO: Split test in two</span>
<a name="line-253"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Nothing</span>
<a name="line-254"></a> <span class='hs-varid'>go</span> <span class='hs-varid'>h</span> <span class='hs-varid'>k</span> <span class='hs-varid'>s</span> <span class='hs-layout'>(</span><span class='hs-conid'>BitmapIndexed</span> <span class='hs-varid'>b</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span>
<a name="line-255"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>b</span> <span class='hs-varop'>.&.</span> <span class='hs-varid'>m</span> <span class='hs-varop'>==</span> <span class='hs-num'>0</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Nothing</span>
<a name="line-256"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>go</span> <span class='hs-varid'>h</span> <span class='hs-varid'>k</span> <span class='hs-layout'>(</span><span class='hs-varid'>s</span><span class='hs-varop'>+</span><span class='hs-varid'>bitsPerSubkey</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>index</span> <span class='hs-varid'>v</span> <span class='hs-layout'>(</span><span class='hs-varid'>sparseIndex</span> <span class='hs-varid'>b</span> <span class='hs-varid'>m</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-257"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>mask</span> <span class='hs-varid'>h</span> <span class='hs-varid'>s</span>
<a name="line-258"></a> <span class='hs-varid'>go</span> <span class='hs-varid'>h</span> <span class='hs-varid'>k</span> <span class='hs-varid'>s</span> <span class='hs-layout'>(</span><span class='hs-conid'>Full</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>go</span> <span class='hs-varid'>h</span> <span class='hs-varid'>k</span> <span class='hs-layout'>(</span><span class='hs-varid'>s</span><span class='hs-varop'>+</span><span class='hs-varid'>bitsPerSubkey</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>index</span> <span class='hs-varid'>v</span> <span class='hs-layout'>(</span><span class='hs-varid'>index</span> <span class='hs-varid'>h</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-259"></a> <span class='hs-varid'>go</span> <span class='hs-varid'>h</span> <span class='hs-varid'>k</span> <span class='hs-keyword'>_</span> <span class='hs-layout'>(</span><span class='hs-conid'>Collision</span> <span class='hs-varid'>hx</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span>
<a name="line-260"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>h</span> <span class='hs-varop'>==</span> <span class='hs-varid'>hx</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>lookupInArray</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span>
<a name="line-261"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Nothing</span>
<a name="line-262"></a><span class='hs-cpp'>#if __GLASGOW_HASKELL__ >= 700</span>
<a name="line-263"></a><span class='hs-comment'>{-# INLINABLE lookup #-}</span>
<a name="line-264"></a><span class='hs-cpp'>#endif</span>
<a name="line-265"></a>
<a name="line-266"></a><a name="lookupDefault"></a><span class='hs-comment'>-- | /O(log n)/ Return the value to which the specified key is mapped,</span>
<a name="line-267"></a><span class='hs-comment'>-- or the default value if this map contains no mapping for the key.</span>
<a name="line-268"></a><span class='hs-definition'>lookupDefault</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>Eq</span> <span class='hs-varid'>k</span><span class='hs-layout'>,</span> <span class='hs-conid'>Hashable</span> <span class='hs-varid'>k</span><span class='hs-layout'>)</span>
<a name="line-269"></a> <span class='hs-keyglyph'>=></span> <span class='hs-varid'>v</span> <span class='hs-comment'>-- ^ Default value to return.</span>
<a name="line-270"></a> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>k</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>HashMap</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>v</span>
<a name="line-271"></a><span class='hs-definition'>lookupDefault</span> <span class='hs-varid'>def</span> <span class='hs-varid'>k</span> <span class='hs-varid'>t</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>lookup</span> <span class='hs-varid'>k</span> <span class='hs-varid'>t</span> <span class='hs-keyword'>of</span>
<a name="line-272"></a> <span class='hs-conid'>Just</span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>v</span>
<a name="line-273"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>def</span>
<a name="line-274"></a><span class='hs-comment'>{-# INLINABLE lookupDefault #-}</span>
<a name="line-275"></a>
<a name="line-276"></a><a name="!"></a><span class='hs-comment'>-- | /O(log n)/ Return the value to which the specified key is mapped.</span>
<a name="line-277"></a><span class='hs-comment'>-- Calls 'error' if this map contains no mapping for the key.</span>
<a name="line-278"></a><span class='hs-layout'>(</span><span class='hs-varop'>!</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>Eq</span> <span class='hs-varid'>k</span><span class='hs-layout'>,</span> <span class='hs-conid'>Hashable</span> <span class='hs-varid'>k</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>HashMap</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>k</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>v</span>
<a name="line-279"></a><span class='hs-layout'>(</span><span class='hs-varop'>!</span><span class='hs-layout'>)</span> <span class='hs-varid'>m</span> <span class='hs-varid'>k</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>lookup</span> <span class='hs-varid'>k</span> <span class='hs-varid'>m</span> <span class='hs-keyword'>of</span>
<a name="line-280"></a> <span class='hs-conid'>Just</span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>v</span>
<a name="line-281"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>error</span> <span class='hs-str'>"Data.HashMap.Base.(!): key not found"</span>
<a name="line-282"></a><span class='hs-comment'>{-# INLINABLE (!) #-}</span>
<a name="line-283"></a>
<a name="line-284"></a><span class='hs-keyword'>infixl</span> <span class='hs-num'>9</span> <span class='hs-varop'>!</span>
<a name="line-285"></a>
<a name="line-286"></a><a name="collision"></a><span class='hs-comment'>-- | Create a 'Collision' value with two 'Leaf' values.</span>
<a name="line-287"></a><span class='hs-definition'>collision</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Hash</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Leaf</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Leaf</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>HashMap</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span>
<a name="line-288"></a><span class='hs-definition'>collision</span> <span class='hs-varid'>h</span> <span class='hs-varid'>e1</span> <span class='hs-varid'>e2</span> <span class='hs-keyglyph'>=</span>
<a name="line-289"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>run</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>mary</span> <span class='hs-keyglyph'><-</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>new</span> <span class='hs-num'>2</span> <span class='hs-varid'>e1</span>
<a name="line-290"></a> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>write</span> <span class='hs-varid'>mary</span> <span class='hs-num'>1</span> <span class='hs-varid'>e2</span>
<a name="line-291"></a> <span class='hs-varid'>return</span> <span class='hs-varid'>mary</span>
<a name="line-292"></a> <span class='hs-keyword'>in</span> <span class='hs-conid'>Collision</span> <span class='hs-varid'>h</span> <span class='hs-varid'>v</span>
<a name="line-293"></a><span class='hs-comment'>{-# INLINE collision #-}</span>
<a name="line-294"></a>
<a name="line-295"></a><a name="bitmapIndexedOrFull"></a><span class='hs-comment'>-- | Create a 'BitmapIndexed' or 'Full' node.</span>
<a name="line-296"></a><span class='hs-definition'>bitmapIndexedOrFull</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Bitmap</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-conid'>Array</span> <span class='hs-layout'>(</span><span class='hs-conid'>HashMap</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>HashMap</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span>
<a name="line-297"></a><span class='hs-definition'>bitmapIndexedOrFull</span> <span class='hs-varid'>b</span> <span class='hs-varid'>ary</span>
<a name="line-298"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>b</span> <span class='hs-varop'>==</span> <span class='hs-varid'>fullNodeMask</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Full</span> <span class='hs-varid'>ary</span>
<a name="line-299"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>BitmapIndexed</span> <span class='hs-varid'>b</span> <span class='hs-varid'>ary</span>
<a name="line-300"></a><span class='hs-comment'>{-# INLINE bitmapIndexedOrFull #-}</span>
<a name="line-301"></a>
<a name="line-302"></a><a name="insert"></a><span class='hs-comment'>-- | /O(log n)/ Associate the specified value with the specified</span>
<a name="line-303"></a><span class='hs-comment'>-- key in this map. If this map previously contained a mapping for</span>
<a name="line-304"></a><span class='hs-comment'>-- the key, the old value is replaced.</span>
<a name="line-305"></a><span class='hs-definition'>insert</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>Eq</span> <span class='hs-varid'>k</span><span class='hs-layout'>,</span> <span class='hs-conid'>Hashable</span> <span class='hs-varid'>k</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=></span> <span class='hs-varid'>k</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>HashMap</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>HashMap</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span>
<a name="line-306"></a><span class='hs-definition'>insert</span> <span class='hs-varid'>k0</span> <span class='hs-varid'>v0</span> <span class='hs-varid'>m0</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>go</span> <span class='hs-varid'>h0</span> <span class='hs-varid'>k0</span> <span class='hs-varid'>v0</span> <span class='hs-num'>0</span> <span class='hs-varid'>m0</span>
<a name="line-307"></a> <span class='hs-keyword'>where</span>
<a name="line-308"></a> <span class='hs-varid'>h0</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>hash</span> <span class='hs-varid'>k0</span>
<a name="line-309"></a> <span class='hs-varid'>go</span> <span class='hs-varop'>!</span><span class='hs-varid'>h</span> <span class='hs-varop'>!</span><span class='hs-varid'>k</span> <span class='hs-varid'>x</span> <span class='hs-varop'>!</span><span class='hs-keyword'>_</span> <span class='hs-conid'>Empty</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Leaf</span> <span class='hs-varid'>h</span> <span class='hs-layout'>(</span><span class='hs-conid'>L</span> <span class='hs-varid'>k</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span>
<a name="line-310"></a> <span class='hs-varid'>go</span> <span class='hs-varid'>h</span> <span class='hs-varid'>k</span> <span class='hs-varid'>x</span> <span class='hs-varid'>s</span> <span class='hs-varid'>t</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>Leaf</span> <span class='hs-varid'>hy</span> <span class='hs-varid'>l</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>L</span> <span class='hs-varid'>ky</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-311"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>hy</span> <span class='hs-varop'>==</span> <span class='hs-varid'>h</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>ky</span> <span class='hs-varop'>==</span> <span class='hs-varid'>k</span>
<a name="line-312"></a> <span class='hs-keyword'>then</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>x</span> <span class='hs-varop'>`ptrEq`</span> <span class='hs-varid'>y</span>
<a name="line-313"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>t</span>
<a name="line-314"></a> <span class='hs-keyword'>else</span> <span class='hs-conid'>Leaf</span> <span class='hs-varid'>h</span> <span class='hs-layout'>(</span><span class='hs-conid'>L</span> <span class='hs-varid'>k</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span>
<a name="line-315"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>collision</span> <span class='hs-varid'>h</span> <span class='hs-varid'>l</span> <span class='hs-layout'>(</span><span class='hs-conid'>L</span> <span class='hs-varid'>k</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span>
<a name="line-316"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>runST</span> <span class='hs-layout'>(</span><span class='hs-varid'>two</span> <span class='hs-varid'>s</span> <span class='hs-varid'>h</span> <span class='hs-varid'>k</span> <span class='hs-varid'>x</span> <span class='hs-varid'>hy</span> <span class='hs-varid'>ky</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span>
<a name="line-317"></a> <span class='hs-varid'>go</span> <span class='hs-varid'>h</span> <span class='hs-varid'>k</span> <span class='hs-varid'>x</span> <span class='hs-varid'>s</span> <span class='hs-varid'>t</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>BitmapIndexed</span> <span class='hs-varid'>b</span> <span class='hs-varid'>ary</span><span class='hs-layout'>)</span>
<a name="line-318"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>b</span> <span class='hs-varop'>.&.</span> <span class='hs-varid'>m</span> <span class='hs-varop'>==</span> <span class='hs-num'>0</span> <span class='hs-keyglyph'>=</span>
<a name="line-319"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>ary'</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>insert</span> <span class='hs-varid'>ary</span> <span class='hs-varid'>i</span> <span class='hs-varop'>$!</span> <span class='hs-conid'>Leaf</span> <span class='hs-varid'>h</span> <span class='hs-layout'>(</span><span class='hs-conid'>L</span> <span class='hs-varid'>k</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span>
<a name="line-320"></a> <span class='hs-keyword'>in</span> <span class='hs-varid'>bitmapIndexedOrFull</span> <span class='hs-layout'>(</span><span class='hs-varid'>b</span> <span class='hs-varop'>.|.</span> <span class='hs-varid'>m</span><span class='hs-layout'>)</span> <span class='hs-varid'>ary'</span>
<a name="line-321"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span>
<a name="line-322"></a> <span class='hs-keyword'>let</span> <span class='hs-varop'>!</span><span class='hs-varid'>st</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>index</span> <span class='hs-varid'>ary</span> <span class='hs-varid'>i</span>
<a name="line-323"></a> <span class='hs-varop'>!</span><span class='hs-varid'>st'</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>go</span> <span class='hs-varid'>h</span> <span class='hs-varid'>k</span> <span class='hs-varid'>x</span> <span class='hs-layout'>(</span><span class='hs-varid'>s</span><span class='hs-varop'>+</span><span class='hs-varid'>bitsPerSubkey</span><span class='hs-layout'>)</span> <span class='hs-varid'>st</span>
<a name="line-324"></a> <span class='hs-keyword'>in</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>st'</span> <span class='hs-varop'>`ptrEq`</span> <span class='hs-varid'>st</span>
<a name="line-325"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>t</span>
<a name="line-326"></a> <span class='hs-keyword'>else</span> <span class='hs-conid'>BitmapIndexed</span> <span class='hs-varid'>b</span> <span class='hs-layout'>(</span><span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>update</span> <span class='hs-varid'>ary</span> <span class='hs-varid'>i</span> <span class='hs-varid'>st'</span><span class='hs-layout'>)</span>
<a name="line-327"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>mask</span> <span class='hs-varid'>h</span> <span class='hs-varid'>s</span>
<a name="line-328"></a> <span class='hs-varid'>i</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>sparseIndex</span> <span class='hs-varid'>b</span> <span class='hs-varid'>m</span>
<a name="line-329"></a> <span class='hs-varid'>go</span> <span class='hs-varid'>h</span> <span class='hs-varid'>k</span> <span class='hs-varid'>x</span> <span class='hs-varid'>s</span> <span class='hs-varid'>t</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>Full</span> <span class='hs-varid'>ary</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span>
<a name="line-330"></a> <span class='hs-keyword'>let</span> <span class='hs-varop'>!</span><span class='hs-varid'>st</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>index</span> <span class='hs-varid'>ary</span> <span class='hs-varid'>i</span>
<a name="line-331"></a> <span class='hs-varop'>!</span><span class='hs-varid'>st'</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>go</span> <span class='hs-varid'>h</span> <span class='hs-varid'>k</span> <span class='hs-varid'>x</span> <span class='hs-layout'>(</span><span class='hs-varid'>s</span><span class='hs-varop'>+</span><span class='hs-varid'>bitsPerSubkey</span><span class='hs-layout'>)</span> <span class='hs-varid'>st</span>
<a name="line-332"></a> <span class='hs-keyword'>in</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>st'</span> <span class='hs-varop'>`ptrEq`</span> <span class='hs-varid'>st</span>
<a name="line-333"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>t</span>
<a name="line-334"></a> <span class='hs-keyword'>else</span> <span class='hs-conid'>Full</span> <span class='hs-layout'>(</span><span class='hs-varid'>update16</span> <span class='hs-varid'>ary</span> <span class='hs-varid'>i</span> <span class='hs-varid'>st'</span><span class='hs-layout'>)</span>
<a name="line-335"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>i</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>index</span> <span class='hs-varid'>h</span> <span class='hs-varid'>s</span>
<a name="line-336"></a> <span class='hs-varid'>go</span> <span class='hs-varid'>h</span> <span class='hs-varid'>k</span> <span class='hs-varid'>x</span> <span class='hs-varid'>s</span> <span class='hs-varid'>t</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>Collision</span> <span class='hs-varid'>hy</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span>
<a name="line-337"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>h</span> <span class='hs-varop'>==</span> <span class='hs-varid'>hy</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Collision</span> <span class='hs-varid'>h</span> <span class='hs-layout'>(</span><span class='hs-varid'>updateOrSnocWith</span> <span class='hs-varid'>const</span> <span class='hs-varid'>k</span> <span class='hs-varid'>x</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span>
<a name="line-338"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>go</span> <span class='hs-varid'>h</span> <span class='hs-varid'>k</span> <span class='hs-varid'>x</span> <span class='hs-varid'>s</span> <span class='hs-varop'>$</span> <span class='hs-conid'>BitmapIndexed</span> <span class='hs-layout'>(</span><span class='hs-varid'>mask</span> <span class='hs-varid'>hy</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>singleton</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span>
<a name="line-339"></a><span class='hs-cpp'>#if __GLASGOW_HASKELL__ >= 700</span>
<a name="line-340"></a><span class='hs-comment'>{-# INLINABLE insert #-}</span>
<a name="line-341"></a><span class='hs-cpp'>#endif</span>
<a name="line-342"></a>
<a name="line-343"></a><a name="unsafeInsert"></a><span class='hs-comment'>-- | In-place update version of insert</span>
<a name="line-344"></a><span class='hs-definition'>unsafeInsert</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>Eq</span> <span class='hs-varid'>k</span><span class='hs-layout'>,</span> <span class='hs-conid'>Hashable</span> <span class='hs-varid'>k</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=></span> <span class='hs-varid'>k</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>HashMap</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>HashMap</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span>
<a name="line-345"></a><span class='hs-definition'>unsafeInsert</span> <span class='hs-varid'>k0</span> <span class='hs-varid'>v0</span> <span class='hs-varid'>m0</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>runST</span> <span class='hs-layout'>(</span><span class='hs-varid'>go</span> <span class='hs-varid'>h0</span> <span class='hs-varid'>k0</span> <span class='hs-varid'>v0</span> <span class='hs-num'>0</span> <span class='hs-varid'>m0</span><span class='hs-layout'>)</span>
<a name="line-346"></a> <span class='hs-keyword'>where</span>
<a name="line-347"></a> <span class='hs-varid'>h0</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>hash</span> <span class='hs-varid'>k0</span>
<a name="line-348"></a> <span class='hs-varid'>go</span> <span class='hs-varop'>!</span><span class='hs-varid'>h</span> <span class='hs-varop'>!</span><span class='hs-varid'>k</span> <span class='hs-varid'>x</span> <span class='hs-varop'>!</span><span class='hs-keyword'>_</span> <span class='hs-conid'>Empty</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>return</span> <span class='hs-varop'>$!</span> <span class='hs-conid'>Leaf</span> <span class='hs-varid'>h</span> <span class='hs-layout'>(</span><span class='hs-conid'>L</span> <span class='hs-varid'>k</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span>
<a name="line-349"></a> <span class='hs-varid'>go</span> <span class='hs-varid'>h</span> <span class='hs-varid'>k</span> <span class='hs-varid'>x</span> <span class='hs-varid'>s</span> <span class='hs-varid'>t</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>Leaf</span> <span class='hs-varid'>hy</span> <span class='hs-varid'>l</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>L</span> <span class='hs-varid'>ky</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-350"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>hy</span> <span class='hs-varop'>==</span> <span class='hs-varid'>h</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>ky</span> <span class='hs-varop'>==</span> <span class='hs-varid'>k</span>
<a name="line-351"></a> <span class='hs-keyword'>then</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>x</span> <span class='hs-varop'>`ptrEq`</span> <span class='hs-varid'>y</span>
<a name="line-352"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>return</span> <span class='hs-varid'>t</span>
<a name="line-353"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>return</span> <span class='hs-varop'>$!</span> <span class='hs-conid'>Leaf</span> <span class='hs-varid'>h</span> <span class='hs-layout'>(</span><span class='hs-conid'>L</span> <span class='hs-varid'>k</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span>
<a name="line-354"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>return</span> <span class='hs-varop'>$!</span> <span class='hs-varid'>collision</span> <span class='hs-varid'>h</span> <span class='hs-varid'>l</span> <span class='hs-layout'>(</span><span class='hs-conid'>L</span> <span class='hs-varid'>k</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span>
<a name="line-355"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>two</span> <span class='hs-varid'>s</span> <span class='hs-varid'>h</span> <span class='hs-varid'>k</span> <span class='hs-varid'>x</span> <span class='hs-varid'>hy</span> <span class='hs-varid'>ky</span> <span class='hs-varid'>y</span>
<a name="line-356"></a> <span class='hs-varid'>go</span> <span class='hs-varid'>h</span> <span class='hs-varid'>k</span> <span class='hs-varid'>x</span> <span class='hs-varid'>s</span> <span class='hs-varid'>t</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>BitmapIndexed</span> <span class='hs-varid'>b</span> <span class='hs-varid'>ary</span><span class='hs-layout'>)</span>
<a name="line-357"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>b</span> <span class='hs-varop'>.&.</span> <span class='hs-varid'>m</span> <span class='hs-varop'>==</span> <span class='hs-num'>0</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-358"></a> <span class='hs-varid'>ary'</span> <span class='hs-keyglyph'><-</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>insertM</span> <span class='hs-varid'>ary</span> <span class='hs-varid'>i</span> <span class='hs-varop'>$!</span> <span class='hs-conid'>Leaf</span> <span class='hs-varid'>h</span> <span class='hs-layout'>(</span><span class='hs-conid'>L</span> <span class='hs-varid'>k</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span>
<a name="line-359"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$!</span> <span class='hs-varid'>bitmapIndexedOrFull</span> <span class='hs-layout'>(</span><span class='hs-varid'>b</span> <span class='hs-varop'>.|.</span> <span class='hs-varid'>m</span><span class='hs-layout'>)</span> <span class='hs-varid'>ary'</span>
<a name="line-360"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-361"></a> <span class='hs-varid'>st</span> <span class='hs-keyglyph'><-</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>indexM</span> <span class='hs-varid'>ary</span> <span class='hs-varid'>i</span>
<a name="line-362"></a> <span class='hs-varid'>st'</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>go</span> <span class='hs-varid'>h</span> <span class='hs-varid'>k</span> <span class='hs-varid'>x</span> <span class='hs-layout'>(</span><span class='hs-varid'>s</span><span class='hs-varop'>+</span><span class='hs-varid'>bitsPerSubkey</span><span class='hs-layout'>)</span> <span class='hs-varid'>st</span>
<a name="line-363"></a> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>unsafeUpdateM</span> <span class='hs-varid'>ary</span> <span class='hs-varid'>i</span> <span class='hs-varid'>st'</span>
<a name="line-364"></a> <span class='hs-varid'>return</span> <span class='hs-varid'>t</span>
<a name="line-365"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>mask</span> <span class='hs-varid'>h</span> <span class='hs-varid'>s</span>
<a name="line-366"></a> <span class='hs-varid'>i</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>sparseIndex</span> <span class='hs-varid'>b</span> <span class='hs-varid'>m</span>
<a name="line-367"></a> <span class='hs-varid'>go</span> <span class='hs-varid'>h</span> <span class='hs-varid'>k</span> <span class='hs-varid'>x</span> <span class='hs-varid'>s</span> <span class='hs-varid'>t</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>Full</span> <span class='hs-varid'>ary</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-368"></a> <span class='hs-varid'>st</span> <span class='hs-keyglyph'><-</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>indexM</span> <span class='hs-varid'>ary</span> <span class='hs-varid'>i</span>
<a name="line-369"></a> <span class='hs-varid'>st'</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>go</span> <span class='hs-varid'>h</span> <span class='hs-varid'>k</span> <span class='hs-varid'>x</span> <span class='hs-layout'>(</span><span class='hs-varid'>s</span><span class='hs-varop'>+</span><span class='hs-varid'>bitsPerSubkey</span><span class='hs-layout'>)</span> <span class='hs-varid'>st</span>
<a name="line-370"></a> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>unsafeUpdateM</span> <span class='hs-varid'>ary</span> <span class='hs-varid'>i</span> <span class='hs-varid'>st'</span>
<a name="line-371"></a> <span class='hs-varid'>return</span> <span class='hs-varid'>t</span>
<a name="line-372"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>i</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>index</span> <span class='hs-varid'>h</span> <span class='hs-varid'>s</span>
<a name="line-373"></a> <span class='hs-varid'>go</span> <span class='hs-varid'>h</span> <span class='hs-varid'>k</span> <span class='hs-varid'>x</span> <span class='hs-varid'>s</span> <span class='hs-varid'>t</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>Collision</span> <span class='hs-varid'>hy</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span>
<a name="line-374"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>h</span> <span class='hs-varop'>==</span> <span class='hs-varid'>hy</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>return</span> <span class='hs-varop'>$!</span> <span class='hs-conid'>Collision</span> <span class='hs-varid'>h</span> <span class='hs-layout'>(</span><span class='hs-varid'>updateOrSnocWith</span> <span class='hs-varid'>const</span> <span class='hs-varid'>k</span> <span class='hs-varid'>x</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span>
<a name="line-375"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>go</span> <span class='hs-varid'>h</span> <span class='hs-varid'>k</span> <span class='hs-varid'>x</span> <span class='hs-varid'>s</span> <span class='hs-varop'>$</span> <span class='hs-conid'>BitmapIndexed</span> <span class='hs-layout'>(</span><span class='hs-varid'>mask</span> <span class='hs-varid'>hy</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>singleton</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span>
<a name="line-376"></a><span class='hs-cpp'>#if __GLASGOW_HASKELL__ >= 700</span>
<a name="line-377"></a><span class='hs-comment'>{-# INLINABLE unsafeInsert #-}</span>
<a name="line-378"></a><span class='hs-cpp'>#endif</span>
<a name="line-379"></a>
<a name="line-380"></a><a name="two"></a><span class='hs-comment'>-- | Create a map from two key-value pairs which hashes don't collide.</span>
<a name="line-381"></a><span class='hs-definition'>two</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Shift</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Hash</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>k</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Hash</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>k</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ST</span> <span class='hs-varid'>s</span> <span class='hs-layout'>(</span><span class='hs-conid'>HashMap</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span>
<a name="line-382"></a><span class='hs-definition'>two</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>go</span>
<a name="line-383"></a> <span class='hs-keyword'>where</span>
<a name="line-384"></a> <span class='hs-varid'>go</span> <span class='hs-varid'>s</span> <span class='hs-varid'>h1</span> <span class='hs-varid'>k1</span> <span class='hs-varid'>v1</span> <span class='hs-varid'>h2</span> <span class='hs-varid'>k2</span> <span class='hs-varid'>v2</span>
<a name="line-385"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>bp1</span> <span class='hs-varop'>==</span> <span class='hs-varid'>bp2</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-386"></a> <span class='hs-varid'>st</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>go</span> <span class='hs-layout'>(</span><span class='hs-varid'>s</span><span class='hs-varop'>+</span><span class='hs-varid'>bitsPerSubkey</span><span class='hs-layout'>)</span> <span class='hs-varid'>h1</span> <span class='hs-varid'>k1</span> <span class='hs-varid'>v1</span> <span class='hs-varid'>h2</span> <span class='hs-varid'>k2</span> <span class='hs-varid'>v2</span>
<a name="line-387"></a> <span class='hs-varid'>ary</span> <span class='hs-keyglyph'><-</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>singletonM</span> <span class='hs-varid'>st</span>
<a name="line-388"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$!</span> <span class='hs-conid'>BitmapIndexed</span> <span class='hs-varid'>bp1</span> <span class='hs-varid'>ary</span>
<a name="line-389"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-390"></a> <span class='hs-varid'>mary</span> <span class='hs-keyglyph'><-</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>new</span> <span class='hs-num'>2</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Leaf</span> <span class='hs-varid'>h1</span> <span class='hs-layout'>(</span><span class='hs-conid'>L</span> <span class='hs-varid'>k1</span> <span class='hs-varid'>v1</span><span class='hs-layout'>)</span>
<a name="line-391"></a> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>write</span> <span class='hs-varid'>mary</span> <span class='hs-varid'>idx2</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Leaf</span> <span class='hs-varid'>h2</span> <span class='hs-layout'>(</span><span class='hs-conid'>L</span> <span class='hs-varid'>k2</span> <span class='hs-varid'>v2</span><span class='hs-layout'>)</span>
<a name="line-392"></a> <span class='hs-varid'>ary</span> <span class='hs-keyglyph'><-</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>unsafeFreeze</span> <span class='hs-varid'>mary</span>
<a name="line-393"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$!</span> <span class='hs-conid'>BitmapIndexed</span> <span class='hs-layout'>(</span><span class='hs-varid'>bp1</span> <span class='hs-varop'>.|.</span> <span class='hs-varid'>bp2</span><span class='hs-layout'>)</span> <span class='hs-varid'>ary</span>
<a name="line-394"></a> <span class='hs-keyword'>where</span>
<a name="line-395"></a> <span class='hs-varid'>bp1</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>mask</span> <span class='hs-varid'>h1</span> <span class='hs-varid'>s</span>
<a name="line-396"></a> <span class='hs-varid'>bp2</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>mask</span> <span class='hs-varid'>h2</span> <span class='hs-varid'>s</span>
<a name="line-397"></a> <span class='hs-varid'>idx2</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>index</span> <span class='hs-varid'>h1</span> <span class='hs-varid'>s</span> <span class='hs-varop'><</span> <span class='hs-varid'>index</span> <span class='hs-varid'>h2</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>1</span>
<a name="line-398"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>0</span>
<a name="line-399"></a><span class='hs-comment'>{-# INLINE two #-}</span>
<a name="line-400"></a>
<a name="line-401"></a><a name="insertWith"></a><span class='hs-comment'>-- | /O(log n)/ Associate the value with the key in this map. If</span>
<a name="line-402"></a><span class='hs-comment'>-- this map previously contained a mapping for the key, the old value</span>
<a name="line-403"></a><span class='hs-comment'>-- is replaced by the result of applying the given function to the new</span>
<a name="line-404"></a><span class='hs-comment'>-- and old value. Example:</span>
<a name="line-405"></a><span class='hs-comment'>--</span>
<a name="line-406"></a><span class='hs-comment'>-- > insertWith f k v map</span>
<a name="line-407"></a><span class='hs-comment'>-- > where f new old = new + old</span>
<a name="line-408"></a><span class='hs-definition'>insertWith</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>Eq</span> <span class='hs-varid'>k</span><span class='hs-layout'>,</span> <span class='hs-conid'>Hashable</span> <span class='hs-varid'>k</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=></span> <span class='hs-layout'>(</span><span class='hs-varid'>v</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>k</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>HashMap</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span>
<a name="line-409"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>HashMap</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span>
<a name="line-410"></a><span class='hs-definition'>insertWith</span> <span class='hs-varid'>f</span> <span class='hs-varid'>k0</span> <span class='hs-varid'>v0</span> <span class='hs-varid'>m0</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>go</span> <span class='hs-varid'>h0</span> <span class='hs-varid'>k0</span> <span class='hs-varid'>v0</span> <span class='hs-num'>0</span> <span class='hs-varid'>m0</span>
<a name="line-411"></a> <span class='hs-keyword'>where</span>
<a name="line-412"></a> <span class='hs-varid'>h0</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>hash</span> <span class='hs-varid'>k0</span>
<a name="line-413"></a> <span class='hs-varid'>go</span> <span class='hs-varop'>!</span><span class='hs-varid'>h</span> <span class='hs-varop'>!</span><span class='hs-varid'>k</span> <span class='hs-varid'>x</span> <span class='hs-varop'>!</span><span class='hs-keyword'>_</span> <span class='hs-conid'>Empty</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Leaf</span> <span class='hs-varid'>h</span> <span class='hs-layout'>(</span><span class='hs-conid'>L</span> <span class='hs-varid'>k</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span>
<a name="line-414"></a> <span class='hs-varid'>go</span> <span class='hs-varid'>h</span> <span class='hs-varid'>k</span> <span class='hs-varid'>x</span> <span class='hs-varid'>s</span> <span class='hs-layout'>(</span><span class='hs-conid'>Leaf</span> <span class='hs-varid'>hy</span> <span class='hs-varid'>l</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>L</span> <span class='hs-varid'>ky</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-415"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>hy</span> <span class='hs-varop'>==</span> <span class='hs-varid'>h</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>ky</span> <span class='hs-varop'>==</span> <span class='hs-varid'>k</span>
<a name="line-416"></a> <span class='hs-keyword'>then</span> <span class='hs-conid'>Leaf</span> <span class='hs-varid'>h</span> <span class='hs-layout'>(</span><span class='hs-conid'>L</span> <span class='hs-varid'>k</span> <span class='hs-layout'>(</span><span class='hs-varid'>f</span> <span class='hs-varid'>x</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-417"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>collision</span> <span class='hs-varid'>h</span> <span class='hs-varid'>l</span> <span class='hs-layout'>(</span><span class='hs-conid'>L</span> <span class='hs-varid'>k</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span>
<a name="line-418"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>runST</span> <span class='hs-layout'>(</span><span class='hs-varid'>two</span> <span class='hs-varid'>s</span> <span class='hs-varid'>h</span> <span class='hs-varid'>k</span> <span class='hs-varid'>x</span> <span class='hs-varid'>hy</span> <span class='hs-varid'>ky</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span>
<a name="line-419"></a> <span class='hs-varid'>go</span> <span class='hs-varid'>h</span> <span class='hs-varid'>k</span> <span class='hs-varid'>x</span> <span class='hs-varid'>s</span> <span class='hs-layout'>(</span><span class='hs-conid'>BitmapIndexed</span> <span class='hs-varid'>b</span> <span class='hs-varid'>ary</span><span class='hs-layout'>)</span>
<a name="line-420"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>b</span> <span class='hs-varop'>.&.</span> <span class='hs-varid'>m</span> <span class='hs-varop'>==</span> <span class='hs-num'>0</span> <span class='hs-keyglyph'>=</span>
<a name="line-421"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>ary'</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>insert</span> <span class='hs-varid'>ary</span> <span class='hs-varid'>i</span> <span class='hs-varop'>$!</span> <span class='hs-conid'>Leaf</span> <span class='hs-varid'>h</span> <span class='hs-layout'>(</span><span class='hs-conid'>L</span> <span class='hs-varid'>k</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span>
<a name="line-422"></a> <span class='hs-keyword'>in</span> <span class='hs-varid'>bitmapIndexedOrFull</span> <span class='hs-layout'>(</span><span class='hs-varid'>b</span> <span class='hs-varop'>.|.</span> <span class='hs-varid'>m</span><span class='hs-layout'>)</span> <span class='hs-varid'>ary'</span>
<a name="line-423"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span>
<a name="line-424"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>st</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>index</span> <span class='hs-varid'>ary</span> <span class='hs-varid'>i</span>
<a name="line-425"></a> <span class='hs-varid'>st'</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>go</span> <span class='hs-varid'>h</span> <span class='hs-varid'>k</span> <span class='hs-varid'>x</span> <span class='hs-layout'>(</span><span class='hs-varid'>s</span><span class='hs-varop'>+</span><span class='hs-varid'>bitsPerSubkey</span><span class='hs-layout'>)</span> <span class='hs-varid'>st</span>
<a name="line-426"></a> <span class='hs-varid'>ary'</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>update</span> <span class='hs-varid'>ary</span> <span class='hs-varid'>i</span> <span class='hs-varop'>$!</span> <span class='hs-varid'>st'</span>
<a name="line-427"></a> <span class='hs-keyword'>in</span> <span class='hs-conid'>BitmapIndexed</span> <span class='hs-varid'>b</span> <span class='hs-varid'>ary'</span>
<a name="line-428"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>mask</span> <span class='hs-varid'>h</span> <span class='hs-varid'>s</span>
<a name="line-429"></a> <span class='hs-varid'>i</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>sparseIndex</span> <span class='hs-varid'>b</span> <span class='hs-varid'>m</span>
<a name="line-430"></a> <span class='hs-varid'>go</span> <span class='hs-varid'>h</span> <span class='hs-varid'>k</span> <span class='hs-varid'>x</span> <span class='hs-varid'>s</span> <span class='hs-layout'>(</span><span class='hs-conid'>Full</span> <span class='hs-varid'>ary</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span>
<a name="line-431"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>st</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>index</span> <span class='hs-varid'>ary</span> <span class='hs-varid'>i</span>
<a name="line-432"></a> <span class='hs-varid'>st'</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>go</span> <span class='hs-varid'>h</span> <span class='hs-varid'>k</span> <span class='hs-varid'>x</span> <span class='hs-layout'>(</span><span class='hs-varid'>s</span><span class='hs-varop'>+</span><span class='hs-varid'>bitsPerSubkey</span><span class='hs-layout'>)</span> <span class='hs-varid'>st</span>
<a name="line-433"></a> <span class='hs-varid'>ary'</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>update16</span> <span class='hs-varid'>ary</span> <span class='hs-varid'>i</span> <span class='hs-varop'>$!</span> <span class='hs-varid'>st'</span>
<a name="line-434"></a> <span class='hs-keyword'>in</span> <span class='hs-conid'>Full</span> <span class='hs-varid'>ary'</span>
<a name="line-435"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>i</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>index</span> <span class='hs-varid'>h</span> <span class='hs-varid'>s</span>
<a name="line-436"></a> <span class='hs-varid'>go</span> <span class='hs-varid'>h</span> <span class='hs-varid'>k</span> <span class='hs-varid'>x</span> <span class='hs-varid'>s</span> <span class='hs-varid'>t</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>Collision</span> <span class='hs-varid'>hy</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span>
<a name="line-437"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>h</span> <span class='hs-varop'>==</span> <span class='hs-varid'>hy</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Collision</span> <span class='hs-varid'>h</span> <span class='hs-layout'>(</span><span class='hs-varid'>updateOrSnocWith</span> <span class='hs-varid'>f</span> <span class='hs-varid'>k</span> <span class='hs-varid'>x</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span>
<a name="line-438"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>go</span> <span class='hs-varid'>h</span> <span class='hs-varid'>k</span> <span class='hs-varid'>x</span> <span class='hs-varid'>s</span> <span class='hs-varop'>$</span> <span class='hs-conid'>BitmapIndexed</span> <span class='hs-layout'>(</span><span class='hs-varid'>mask</span> <span class='hs-varid'>hy</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>singleton</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span>
<a name="line-439"></a><span class='hs-cpp'>#if __GLASGOW_HASKELL__ >= 700</span>
<a name="line-440"></a><span class='hs-comment'>{-# INLINABLE insertWith #-}</span>
<a name="line-441"></a><span class='hs-cpp'>#endif</span>
<a name="line-442"></a>
<a name="line-443"></a><a name="unsafeInsertWith"></a><span class='hs-comment'>-- | In-place update version of insertWith</span>
<a name="line-444"></a><span class='hs-definition'>unsafeInsertWith</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>Eq</span> <span class='hs-varid'>k</span><span class='hs-layout'>,</span> <span class='hs-conid'>Hashable</span> <span class='hs-varid'>k</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=></span> <span class='hs-layout'>(</span><span class='hs-varid'>v</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>k</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>HashMap</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span>
<a name="line-445"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>HashMap</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span>
<a name="line-446"></a><span class='hs-definition'>unsafeInsertWith</span> <span class='hs-varid'>f</span> <span class='hs-varid'>k0</span> <span class='hs-varid'>v0</span> <span class='hs-varid'>m0</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>runST</span> <span class='hs-layout'>(</span><span class='hs-varid'>go</span> <span class='hs-varid'>h0</span> <span class='hs-varid'>k0</span> <span class='hs-varid'>v0</span> <span class='hs-num'>0</span> <span class='hs-varid'>m0</span><span class='hs-layout'>)</span>
<a name="line-447"></a> <span class='hs-keyword'>where</span>
<a name="line-448"></a> <span class='hs-varid'>h0</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>hash</span> <span class='hs-varid'>k0</span>
<a name="line-449"></a> <span class='hs-varid'>go</span> <span class='hs-varop'>!</span><span class='hs-varid'>h</span> <span class='hs-varop'>!</span><span class='hs-varid'>k</span> <span class='hs-varid'>x</span> <span class='hs-varop'>!</span><span class='hs-keyword'>_</span> <span class='hs-conid'>Empty</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>return</span> <span class='hs-varop'>$!</span> <span class='hs-conid'>Leaf</span> <span class='hs-varid'>h</span> <span class='hs-layout'>(</span><span class='hs-conid'>L</span> <span class='hs-varid'>k</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span>
<a name="line-450"></a> <span class='hs-varid'>go</span> <span class='hs-varid'>h</span> <span class='hs-varid'>k</span> <span class='hs-varid'>x</span> <span class='hs-varid'>s</span> <span class='hs-layout'>(</span><span class='hs-conid'>Leaf</span> <span class='hs-varid'>hy</span> <span class='hs-varid'>l</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>L</span> <span class='hs-varid'>ky</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-451"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>hy</span> <span class='hs-varop'>==</span> <span class='hs-varid'>h</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>ky</span> <span class='hs-varop'>==</span> <span class='hs-varid'>k</span>
<a name="line-452"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>return</span> <span class='hs-varop'>$!</span> <span class='hs-conid'>Leaf</span> <span class='hs-varid'>h</span> <span class='hs-layout'>(</span><span class='hs-conid'>L</span> <span class='hs-varid'>k</span> <span class='hs-layout'>(</span><span class='hs-varid'>f</span> <span class='hs-varid'>x</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-453"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>return</span> <span class='hs-varop'>$!</span> <span class='hs-varid'>collision</span> <span class='hs-varid'>h</span> <span class='hs-varid'>l</span> <span class='hs-layout'>(</span><span class='hs-conid'>L</span> <span class='hs-varid'>k</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span>
<a name="line-454"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>two</span> <span class='hs-varid'>s</span> <span class='hs-varid'>h</span> <span class='hs-varid'>k</span> <span class='hs-varid'>x</span> <span class='hs-varid'>hy</span> <span class='hs-varid'>ky</span> <span class='hs-varid'>y</span>
<a name="line-455"></a> <span class='hs-varid'>go</span> <span class='hs-varid'>h</span> <span class='hs-varid'>k</span> <span class='hs-varid'>x</span> <span class='hs-varid'>s</span> <span class='hs-varid'>t</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>BitmapIndexed</span> <span class='hs-varid'>b</span> <span class='hs-varid'>ary</span><span class='hs-layout'>)</span>
<a name="line-456"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>b</span> <span class='hs-varop'>.&.</span> <span class='hs-varid'>m</span> <span class='hs-varop'>==</span> <span class='hs-num'>0</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-457"></a> <span class='hs-varid'>ary'</span> <span class='hs-keyglyph'><-</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>insertM</span> <span class='hs-varid'>ary</span> <span class='hs-varid'>i</span> <span class='hs-varop'>$!</span> <span class='hs-conid'>Leaf</span> <span class='hs-varid'>h</span> <span class='hs-layout'>(</span><span class='hs-conid'>L</span> <span class='hs-varid'>k</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span>
<a name="line-458"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$!</span> <span class='hs-varid'>bitmapIndexedOrFull</span> <span class='hs-layout'>(</span><span class='hs-varid'>b</span> <span class='hs-varop'>.|.</span> <span class='hs-varid'>m</span><span class='hs-layout'>)</span> <span class='hs-varid'>ary'</span>
<a name="line-459"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-460"></a> <span class='hs-varid'>st</span> <span class='hs-keyglyph'><-</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>indexM</span> <span class='hs-varid'>ary</span> <span class='hs-varid'>i</span>
<a name="line-461"></a> <span class='hs-varid'>st'</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>go</span> <span class='hs-varid'>h</span> <span class='hs-varid'>k</span> <span class='hs-varid'>x</span> <span class='hs-layout'>(</span><span class='hs-varid'>s</span><span class='hs-varop'>+</span><span class='hs-varid'>bitsPerSubkey</span><span class='hs-layout'>)</span> <span class='hs-varid'>st</span>
<a name="line-462"></a> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>unsafeUpdateM</span> <span class='hs-varid'>ary</span> <span class='hs-varid'>i</span> <span class='hs-varid'>st'</span>
<a name="line-463"></a> <span class='hs-varid'>return</span> <span class='hs-varid'>t</span>
<a name="line-464"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>mask</span> <span class='hs-varid'>h</span> <span class='hs-varid'>s</span>
<a name="line-465"></a> <span class='hs-varid'>i</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>sparseIndex</span> <span class='hs-varid'>b</span> <span class='hs-varid'>m</span>
<a name="line-466"></a> <span class='hs-varid'>go</span> <span class='hs-varid'>h</span> <span class='hs-varid'>k</span> <span class='hs-varid'>x</span> <span class='hs-varid'>s</span> <span class='hs-varid'>t</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>Full</span> <span class='hs-varid'>ary</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-467"></a> <span class='hs-varid'>st</span> <span class='hs-keyglyph'><-</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>indexM</span> <span class='hs-varid'>ary</span> <span class='hs-varid'>i</span>
<a name="line-468"></a> <span class='hs-varid'>st'</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>go</span> <span class='hs-varid'>h</span> <span class='hs-varid'>k</span> <span class='hs-varid'>x</span> <span class='hs-layout'>(</span><span class='hs-varid'>s</span><span class='hs-varop'>+</span><span class='hs-varid'>bitsPerSubkey</span><span class='hs-layout'>)</span> <span class='hs-varid'>st</span>
<a name="line-469"></a> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>unsafeUpdateM</span> <span class='hs-varid'>ary</span> <span class='hs-varid'>i</span> <span class='hs-varid'>st'</span>
<a name="line-470"></a> <span class='hs-varid'>return</span> <span class='hs-varid'>t</span>
<a name="line-471"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>i</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>index</span> <span class='hs-varid'>h</span> <span class='hs-varid'>s</span>
<a name="line-472"></a> <span class='hs-varid'>go</span> <span class='hs-varid'>h</span> <span class='hs-varid'>k</span> <span class='hs-varid'>x</span> <span class='hs-varid'>s</span> <span class='hs-varid'>t</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>Collision</span> <span class='hs-varid'>hy</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span>
<a name="line-473"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>h</span> <span class='hs-varop'>==</span> <span class='hs-varid'>hy</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>return</span> <span class='hs-varop'>$!</span> <span class='hs-conid'>Collision</span> <span class='hs-varid'>h</span> <span class='hs-layout'>(</span><span class='hs-varid'>updateOrSnocWith</span> <span class='hs-varid'>f</span> <span class='hs-varid'>k</span> <span class='hs-varid'>x</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span>
<a name="line-474"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>go</span> <span class='hs-varid'>h</span> <span class='hs-varid'>k</span> <span class='hs-varid'>x</span> <span class='hs-varid'>s</span> <span class='hs-varop'>$</span> <span class='hs-conid'>BitmapIndexed</span> <span class='hs-layout'>(</span><span class='hs-varid'>mask</span> <span class='hs-varid'>hy</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>singleton</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span>
<a name="line-475"></a><span class='hs-cpp'>#if __GLASGOW_HASKELL__ >= 700</span>
<a name="line-476"></a><span class='hs-comment'>{-# INLINABLE unsafeInsertWith #-}</span>
<a name="line-477"></a><span class='hs-cpp'>#endif</span>
<a name="line-478"></a>
<a name="line-479"></a><a name="delete"></a><span class='hs-comment'>-- | /O(log n)/ Remove the mapping for the specified key from this map</span>
<a name="line-480"></a><span class='hs-comment'>-- if present.</span>
<a name="line-481"></a><span class='hs-definition'>delete</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>Eq</span> <span class='hs-varid'>k</span><span class='hs-layout'>,</span> <span class='hs-conid'>Hashable</span> <span class='hs-varid'>k</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=></span> <span class='hs-varid'>k</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>HashMap</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>HashMap</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span>
<a name="line-482"></a><span class='hs-definition'>delete</span> <span class='hs-varid'>k0</span> <span class='hs-varid'>m0</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>go</span> <span class='hs-varid'>h0</span> <span class='hs-varid'>k0</span> <span class='hs-num'>0</span> <span class='hs-varid'>m0</span>
<a name="line-483"></a> <span class='hs-keyword'>where</span>
<a name="line-484"></a> <span class='hs-varid'>h0</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>hash</span> <span class='hs-varid'>k0</span>
<a name="line-485"></a> <span class='hs-varid'>go</span> <span class='hs-varop'>!</span><span class='hs-keyword'>_</span> <span class='hs-varop'>!</span><span class='hs-keyword'>_</span> <span class='hs-varop'>!</span><span class='hs-keyword'>_</span> <span class='hs-conid'>Empty</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Empty</span>
<a name="line-486"></a> <span class='hs-varid'>go</span> <span class='hs-varid'>h</span> <span class='hs-varid'>k</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>t</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>Leaf</span> <span class='hs-varid'>hy</span> <span class='hs-layout'>(</span><span class='hs-conid'>L</span> <span class='hs-varid'>ky</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-487"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>hy</span> <span class='hs-varop'>==</span> <span class='hs-varid'>h</span> <span class='hs-varop'>&&</span> <span class='hs-varid'>ky</span> <span class='hs-varop'>==</span> <span class='hs-varid'>k</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Empty</span>
<a name="line-488"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>t</span>
<a name="line-489"></a> <span class='hs-varid'>go</span> <span class='hs-varid'>h</span> <span class='hs-varid'>k</span> <span class='hs-varid'>s</span> <span class='hs-varid'>t</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>BitmapIndexed</span> <span class='hs-varid'>b</span> <span class='hs-varid'>ary</span><span class='hs-layout'>)</span>
<a name="line-490"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>b</span> <span class='hs-varop'>.&.</span> <span class='hs-varid'>m</span> <span class='hs-varop'>==</span> <span class='hs-num'>0</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>t</span>
<a name="line-491"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span>
<a name="line-492"></a> <span class='hs-keyword'>let</span> <span class='hs-varop'>!</span><span class='hs-varid'>st</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>index</span> <span class='hs-varid'>ary</span> <span class='hs-varid'>i</span>
<a name="line-493"></a> <span class='hs-varop'>!</span><span class='hs-varid'>st'</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>go</span> <span class='hs-varid'>h</span> <span class='hs-varid'>k</span> <span class='hs-layout'>(</span><span class='hs-varid'>s</span><span class='hs-varop'>+</span><span class='hs-varid'>bitsPerSubkey</span><span class='hs-layout'>)</span> <span class='hs-varid'>st</span>
<a name="line-494"></a> <span class='hs-keyword'>in</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>st'</span> <span class='hs-varop'>`ptrEq`</span> <span class='hs-varid'>st</span>
<a name="line-495"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>t</span>
<a name="line-496"></a> <span class='hs-keyword'>else</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>st'</span> <span class='hs-keyword'>of</span>
<a name="line-497"></a> <span class='hs-conid'>Empty</span> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>length</span> <span class='hs-varid'>ary</span> <span class='hs-varop'>==</span> <span class='hs-num'>1</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Empty</span>
<a name="line-498"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>length</span> <span class='hs-varid'>ary</span> <span class='hs-varop'>==</span> <span class='hs-num'>2</span> <span class='hs-keyglyph'>-></span>
<a name="line-499"></a> <span class='hs-keyword'>case</span> <span class='hs-layout'>(</span><span class='hs-varid'>i</span><span class='hs-layout'>,</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>index</span> <span class='hs-varid'>ary</span> <span class='hs-num'>0</span><span class='hs-layout'>,</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>index</span> <span class='hs-varid'>ary</span> <span class='hs-num'>1</span><span class='hs-layout'>)</span> <span class='hs-keyword'>of</span>
<a name="line-500"></a> <span class='hs-layout'>(</span><span class='hs-num'>0</span><span class='hs-layout'>,</span> <span class='hs-keyword'>_</span><span class='hs-layout'>,</span> <span class='hs-varid'>l</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>isLeafOrCollision</span> <span class='hs-varid'>l</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>l</span>
<a name="line-501"></a> <span class='hs-layout'>(</span><span class='hs-num'>1</span><span class='hs-layout'>,</span> <span class='hs-varid'>l</span><span class='hs-layout'>,</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>isLeafOrCollision</span> <span class='hs-varid'>l</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>l</span>
<a name="line-502"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>bIndexed</span>
<a name="line-503"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>bIndexed</span>
<a name="line-504"></a> <span class='hs-keyword'>where</span>
<a name="line-505"></a> <span class='hs-varid'>bIndexed</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>BitmapIndexed</span> <span class='hs-layout'>(</span><span class='hs-varid'>b</span> <span class='hs-varop'>.&.</span> <span class='hs-varid'>complement</span> <span class='hs-varid'>m</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>delete</span> <span class='hs-varid'>ary</span> <span class='hs-varid'>i</span><span class='hs-layout'>)</span>
<a name="line-506"></a> <span class='hs-varid'>l</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>isLeafOrCollision</span> <span class='hs-varid'>l</span> <span class='hs-varop'>&&</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>length</span> <span class='hs-varid'>ary</span> <span class='hs-varop'>==</span> <span class='hs-num'>1</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>l</span>
<a name="line-507"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>BitmapIndexed</span> <span class='hs-varid'>b</span> <span class='hs-layout'>(</span><span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>update</span> <span class='hs-varid'>ary</span> <span class='hs-varid'>i</span> <span class='hs-varid'>st'</span><span class='hs-layout'>)</span>
<a name="line-508"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>mask</span> <span class='hs-varid'>h</span> <span class='hs-varid'>s</span>
<a name="line-509"></a> <span class='hs-varid'>i</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>sparseIndex</span> <span class='hs-varid'>b</span> <span class='hs-varid'>m</span>
<a name="line-510"></a> <span class='hs-varid'>go</span> <span class='hs-varid'>h</span> <span class='hs-varid'>k</span> <span class='hs-varid'>s</span> <span class='hs-varid'>t</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>Full</span> <span class='hs-varid'>ary</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span>
<a name="line-511"></a> <span class='hs-keyword'>let</span> <span class='hs-varop'>!</span><span class='hs-varid'>st</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>index</span> <span class='hs-varid'>ary</span> <span class='hs-varid'>i</span>
<a name="line-512"></a> <span class='hs-varop'>!</span><span class='hs-varid'>st'</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>go</span> <span class='hs-varid'>h</span> <span class='hs-varid'>k</span> <span class='hs-layout'>(</span><span class='hs-varid'>s</span><span class='hs-varop'>+</span><span class='hs-varid'>bitsPerSubkey</span><span class='hs-layout'>)</span> <span class='hs-varid'>st</span>
<a name="line-513"></a> <span class='hs-keyword'>in</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>st'</span> <span class='hs-varop'>`ptrEq`</span> <span class='hs-varid'>st</span>
<a name="line-514"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>t</span>
<a name="line-515"></a> <span class='hs-keyword'>else</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>st'</span> <span class='hs-keyword'>of</span>
<a name="line-516"></a> <span class='hs-conid'>Empty</span> <span class='hs-keyglyph'>-></span>
<a name="line-517"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>ary'</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>delete</span> <span class='hs-varid'>ary</span> <span class='hs-varid'>i</span>
<a name="line-518"></a> <span class='hs-varid'>bm</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fullNodeMask</span> <span class='hs-varop'>.&.</span> <span class='hs-varid'>complement</span> <span class='hs-layout'>(</span><span class='hs-num'>1</span> <span class='hs-varop'>`unsafeShiftL`</span> <span class='hs-varid'>i</span><span class='hs-layout'>)</span>
<a name="line-519"></a> <span class='hs-keyword'>in</span> <span class='hs-conid'>BitmapIndexed</span> <span class='hs-varid'>bm</span> <span class='hs-varid'>ary'</span>
<a name="line-520"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Full</span> <span class='hs-layout'>(</span><span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>update</span> <span class='hs-varid'>ary</span> <span class='hs-varid'>i</span> <span class='hs-varid'>st'</span><span class='hs-layout'>)</span>
<a name="line-521"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>i</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>index</span> <span class='hs-varid'>h</span> <span class='hs-varid'>s</span>
<a name="line-522"></a> <span class='hs-varid'>go</span> <span class='hs-varid'>h</span> <span class='hs-varid'>k</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>t</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>Collision</span> <span class='hs-varid'>hy</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span>
<a name="line-523"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>h</span> <span class='hs-varop'>==</span> <span class='hs-varid'>hy</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>indexOf</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span> <span class='hs-keyword'>of</span>
<a name="line-524"></a> <span class='hs-conid'>Just</span> <span class='hs-varid'>i</span>
<a name="line-525"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>length</span> <span class='hs-varid'>v</span> <span class='hs-varop'>==</span> <span class='hs-num'>2</span> <span class='hs-keyglyph'>-></span>
<a name="line-526"></a> <span class='hs-keyword'>if</span> <span class='hs-varid'>i</span> <span class='hs-varop'>==</span> <span class='hs-num'>0</span>
<a name="line-527"></a> <span class='hs-keyword'>then</span> <span class='hs-conid'>Leaf</span> <span class='hs-varid'>h</span> <span class='hs-layout'>(</span><span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>index</span> <span class='hs-varid'>v</span> <span class='hs-num'>1</span><span class='hs-layout'>)</span>
<a name="line-528"></a> <span class='hs-keyword'>else</span> <span class='hs-conid'>Leaf</span> <span class='hs-varid'>h</span> <span class='hs-layout'>(</span><span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>index</span> <span class='hs-varid'>v</span> <span class='hs-num'>0</span><span class='hs-layout'>)</span>
<a name="line-529"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Collision</span> <span class='hs-varid'>h</span> <span class='hs-layout'>(</span><span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>delete</span> <span class='hs-varid'>v</span> <span class='hs-varid'>i</span><span class='hs-layout'>)</span>
<a name="line-530"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>t</span>
<a name="line-531"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>t</span>
<a name="line-532"></a><span class='hs-cpp'>#if __GLASGOW_HASKELL__ >= 700</span>
<a name="line-533"></a><span class='hs-comment'>{-# INLINABLE delete #-}</span>
<a name="line-534"></a><span class='hs-cpp'>#endif</span>
<a name="line-535"></a>
<a name="line-536"></a><a name="adjust"></a><span class='hs-comment'>-- | /O(log n)/ Adjust the value tied to a given key in this map only</span>
<a name="line-537"></a><span class='hs-comment'>-- if it is present. Otherwise, leave the map alone.</span>
<a name="line-538"></a><span class='hs-definition'>adjust</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>Eq</span> <span class='hs-varid'>k</span><span class='hs-layout'>,</span> <span class='hs-conid'>Hashable</span> <span class='hs-varid'>k</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=></span> <span class='hs-layout'>(</span><span class='hs-varid'>v</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>k</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>HashMap</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>HashMap</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span>
<a name="line-539"></a><span class='hs-definition'>adjust</span> <span class='hs-varid'>f</span> <span class='hs-varid'>k0</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>go</span> <span class='hs-varid'>h0</span> <span class='hs-varid'>k0</span> <span class='hs-num'>0</span>
<a name="line-540"></a> <span class='hs-keyword'>where</span>
<a name="line-541"></a> <span class='hs-varid'>h0</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>hash</span> <span class='hs-varid'>k0</span>
<a name="line-542"></a> <span class='hs-varid'>go</span> <span class='hs-varop'>!</span><span class='hs-keyword'>_</span> <span class='hs-varop'>!</span><span class='hs-keyword'>_</span> <span class='hs-varop'>!</span><span class='hs-keyword'>_</span> <span class='hs-conid'>Empty</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Empty</span>
<a name="line-543"></a> <span class='hs-varid'>go</span> <span class='hs-varid'>h</span> <span class='hs-varid'>k</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>t</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>Leaf</span> <span class='hs-varid'>hy</span> <span class='hs-layout'>(</span><span class='hs-conid'>L</span> <span class='hs-varid'>ky</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-544"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>hy</span> <span class='hs-varop'>==</span> <span class='hs-varid'>h</span> <span class='hs-varop'>&&</span> <span class='hs-varid'>ky</span> <span class='hs-varop'>==</span> <span class='hs-varid'>k</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Leaf</span> <span class='hs-varid'>h</span> <span class='hs-layout'>(</span><span class='hs-conid'>L</span> <span class='hs-varid'>k</span> <span class='hs-layout'>(</span><span class='hs-varid'>f</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-545"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>t</span>
<a name="line-546"></a> <span class='hs-varid'>go</span> <span class='hs-varid'>h</span> <span class='hs-varid'>k</span> <span class='hs-varid'>s</span> <span class='hs-varid'>t</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>BitmapIndexed</span> <span class='hs-varid'>b</span> <span class='hs-varid'>ary</span><span class='hs-layout'>)</span>
<a name="line-547"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>b</span> <span class='hs-varop'>.&.</span> <span class='hs-varid'>m</span> <span class='hs-varop'>==</span> <span class='hs-num'>0</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>t</span>
<a name="line-548"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>let</span> <span class='hs-varid'>st</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>index</span> <span class='hs-varid'>ary</span> <span class='hs-varid'>i</span>
<a name="line-549"></a> <span class='hs-varid'>st'</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>go</span> <span class='hs-varid'>h</span> <span class='hs-varid'>k</span> <span class='hs-layout'>(</span><span class='hs-varid'>s</span><span class='hs-varop'>+</span><span class='hs-varid'>bitsPerSubkey</span><span class='hs-layout'>)</span> <span class='hs-varid'>st</span>
<a name="line-550"></a> <span class='hs-varid'>ary'</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>update</span> <span class='hs-varid'>ary</span> <span class='hs-varid'>i</span> <span class='hs-varop'>$!</span> <span class='hs-varid'>st'</span>
<a name="line-551"></a> <span class='hs-keyword'>in</span> <span class='hs-conid'>BitmapIndexed</span> <span class='hs-varid'>b</span> <span class='hs-varid'>ary'</span>
<a name="line-552"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>mask</span> <span class='hs-varid'>h</span> <span class='hs-varid'>s</span>
<a name="line-553"></a> <span class='hs-varid'>i</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>sparseIndex</span> <span class='hs-varid'>b</span> <span class='hs-varid'>m</span>
<a name="line-554"></a> <span class='hs-varid'>go</span> <span class='hs-varid'>h</span> <span class='hs-varid'>k</span> <span class='hs-varid'>s</span> <span class='hs-layout'>(</span><span class='hs-conid'>Full</span> <span class='hs-varid'>ary</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span>
<a name="line-555"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>i</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>index</span> <span class='hs-varid'>h</span> <span class='hs-varid'>s</span>
<a name="line-556"></a> <span class='hs-varid'>st</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>index</span> <span class='hs-varid'>ary</span> <span class='hs-varid'>i</span>
<a name="line-557"></a> <span class='hs-varid'>st'</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>go</span> <span class='hs-varid'>h</span> <span class='hs-varid'>k</span> <span class='hs-layout'>(</span><span class='hs-varid'>s</span><span class='hs-varop'>+</span><span class='hs-varid'>bitsPerSubkey</span><span class='hs-layout'>)</span> <span class='hs-varid'>st</span>
<a name="line-558"></a> <span class='hs-varid'>ary'</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>update16</span> <span class='hs-varid'>ary</span> <span class='hs-varid'>i</span> <span class='hs-varop'>$!</span> <span class='hs-varid'>st'</span>
<a name="line-559"></a> <span class='hs-keyword'>in</span> <span class='hs-conid'>Full</span> <span class='hs-varid'>ary'</span>
<a name="line-560"></a> <span class='hs-varid'>go</span> <span class='hs-varid'>h</span> <span class='hs-varid'>k</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>t</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>Collision</span> <span class='hs-varid'>hy</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span>
<a name="line-561"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>h</span> <span class='hs-varop'>==</span> <span class='hs-varid'>hy</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Collision</span> <span class='hs-varid'>h</span> <span class='hs-layout'>(</span><span class='hs-varid'>updateWith</span> <span class='hs-varid'>f</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span>
<a name="line-562"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>t</span>
<a name="line-563"></a><span class='hs-cpp'>#if __GLASGOW_HASKELL__ >= 700</span>
<a name="line-564"></a><span class='hs-comment'>{-# INLINABLE adjust #-}</span>
<a name="line-565"></a><span class='hs-cpp'>#endif</span>
<a name="line-566"></a>
<a name="line-567"></a><span class='hs-comment'>------------------------------------------------------------------------</span>
<a name="line-568"></a><span class='hs-comment'>-- * Combine</span>
<a name="line-569"></a>
<a name="line-570"></a><a name="union"></a><span class='hs-comment'>-- | /O(n+m)/ The union of two maps. If a key occurs in both maps, the</span>
<a name="line-571"></a><span class='hs-comment'>-- mapping from the first will be the mapping in the result.</span>
<a name="line-572"></a><span class='hs-definition'>union</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>Eq</span> <span class='hs-varid'>k</span><span class='hs-layout'>,</span> <span class='hs-conid'>Hashable</span> <span class='hs-varid'>k</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>HashMap</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>HashMap</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>HashMap</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span>
<a name="line-573"></a><span class='hs-definition'>union</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>unionWith</span> <span class='hs-varid'>const</span>
<a name="line-574"></a><span class='hs-cpp'>#if __GLASGOW_HASKELL__ >= 700</span>
<a name="line-575"></a><span class='hs-comment'>{-# INLINABLE union #-}</span>
<a name="line-576"></a><span class='hs-cpp'>#endif</span>
<a name="line-577"></a>
<a name="line-578"></a><a name="unionWith"></a><span class='hs-comment'>-- | /O(n+m)/ The union of two maps. If a key occurs in both maps,</span>
<a name="line-579"></a><span class='hs-comment'>-- the provided function (first argument) will be used to compute the</span>
<a name="line-580"></a><span class='hs-comment'>-- result.</span>
<a name="line-581"></a><span class='hs-definition'>unionWith</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>Eq</span> <span class='hs-varid'>k</span><span class='hs-layout'>,</span> <span class='hs-conid'>Hashable</span> <span class='hs-varid'>k</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=></span> <span class='hs-layout'>(</span><span class='hs-varid'>v</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>HashMap</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>HashMap</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span>
<a name="line-582"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>HashMap</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span>
<a name="line-583"></a><span class='hs-definition'>unionWith</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>go</span> <span class='hs-num'>0</span>
<a name="line-584"></a> <span class='hs-keyword'>where</span>
<a name="line-585"></a> <span class='hs-comment'>-- empty vs. anything</span>
<a name="line-586"></a> <span class='hs-varid'>go</span> <span class='hs-varop'>!</span><span class='hs-keyword'>_</span> <span class='hs-varid'>t1</span> <span class='hs-conid'>Empty</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>t1</span>
<a name="line-587"></a> <span class='hs-varid'>go</span> <span class='hs-keyword'>_</span> <span class='hs-conid'>Empty</span> <span class='hs-varid'>t2</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>t2</span>
<a name="line-588"></a> <span class='hs-comment'>-- leaf vs. leaf</span>
<a name="line-589"></a> <span class='hs-varid'>go</span> <span class='hs-varid'>s</span> <span class='hs-varid'>t1</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>Leaf</span> <span class='hs-varid'>h1</span> <span class='hs-varid'>l1</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>L</span> <span class='hs-varid'>k1</span> <span class='hs-varid'>v1</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-varid'>t2</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>Leaf</span> <span class='hs-varid'>h2</span> <span class='hs-varid'>l2</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>L</span> <span class='hs-varid'>k2</span> <span class='hs-varid'>v2</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-590"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>h1</span> <span class='hs-varop'>==</span> <span class='hs-varid'>h2</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>k1</span> <span class='hs-varop'>==</span> <span class='hs-varid'>k2</span>
<a name="line-591"></a> <span class='hs-keyword'>then</span> <span class='hs-conid'>Leaf</span> <span class='hs-varid'>h1</span> <span class='hs-layout'>(</span><span class='hs-conid'>L</span> <span class='hs-varid'>k1</span> <span class='hs-layout'>(</span><span class='hs-varid'>f</span> <span class='hs-varid'>v1</span> <span class='hs-varid'>v2</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-592"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>collision</span> <span class='hs-varid'>h1</span> <span class='hs-varid'>l1</span> <span class='hs-varid'>l2</span>
<a name="line-593"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>goDifferentHash</span> <span class='hs-varid'>s</span> <span class='hs-varid'>h1</span> <span class='hs-varid'>h2</span> <span class='hs-varid'>t1</span> <span class='hs-varid'>t2</span>
<a name="line-594"></a> <span class='hs-varid'>go</span> <span class='hs-varid'>s</span> <span class='hs-varid'>t1</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>Leaf</span> <span class='hs-varid'>h1</span> <span class='hs-layout'>(</span><span class='hs-conid'>L</span> <span class='hs-varid'>k1</span> <span class='hs-varid'>v1</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-varid'>t2</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>Collision</span> <span class='hs-varid'>h2</span> <span class='hs-varid'>ls2</span><span class='hs-layout'>)</span>
<a name="line-595"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>h1</span> <span class='hs-varop'>==</span> <span class='hs-varid'>h2</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Collision</span> <span class='hs-varid'>h1</span> <span class='hs-layout'>(</span><span class='hs-varid'>updateOrSnocWith</span> <span class='hs-varid'>f</span> <span class='hs-varid'>k1</span> <span class='hs-varid'>v1</span> <span class='hs-varid'>ls2</span><span class='hs-layout'>)</span>
<a name="line-596"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>goDifferentHash</span> <span class='hs-varid'>s</span> <span class='hs-varid'>h1</span> <span class='hs-varid'>h2</span> <span class='hs-varid'>t1</span> <span class='hs-varid'>t2</span>
<a name="line-597"></a> <span class='hs-varid'>go</span> <span class='hs-varid'>s</span> <span class='hs-varid'>t1</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>Collision</span> <span class='hs-varid'>h1</span> <span class='hs-varid'>ls1</span><span class='hs-layout'>)</span> <span class='hs-varid'>t2</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>Leaf</span> <span class='hs-varid'>h2</span> <span class='hs-layout'>(</span><span class='hs-conid'>L</span> <span class='hs-varid'>k2</span> <span class='hs-varid'>v2</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-598"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>h1</span> <span class='hs-varop'>==</span> <span class='hs-varid'>h2</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Collision</span> <span class='hs-varid'>h1</span> <span class='hs-layout'>(</span><span class='hs-varid'>updateOrSnocWith</span> <span class='hs-layout'>(</span><span class='hs-varid'>flip</span> <span class='hs-varid'>f</span><span class='hs-layout'>)</span> <span class='hs-varid'>k2</span> <span class='hs-varid'>v2</span> <span class='hs-varid'>ls1</span><span class='hs-layout'>)</span>
<a name="line-599"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>goDifferentHash</span> <span class='hs-varid'>s</span> <span class='hs-varid'>h1</span> <span class='hs-varid'>h2</span> <span class='hs-varid'>t1</span> <span class='hs-varid'>t2</span>
<a name="line-600"></a> <span class='hs-varid'>go</span> <span class='hs-varid'>s</span> <span class='hs-varid'>t1</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>Collision</span> <span class='hs-varid'>h1</span> <span class='hs-varid'>ls1</span><span class='hs-layout'>)</span> <span class='hs-varid'>t2</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>Collision</span> <span class='hs-varid'>h2</span> <span class='hs-varid'>ls2</span><span class='hs-layout'>)</span>
<a name="line-601"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>h1</span> <span class='hs-varop'>==</span> <span class='hs-varid'>h2</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Collision</span> <span class='hs-varid'>h1</span> <span class='hs-layout'>(</span><span class='hs-varid'>updateOrConcatWith</span> <span class='hs-varid'>f</span> <span class='hs-varid'>ls1</span> <span class='hs-varid'>ls2</span><span class='hs-layout'>)</span>
<a name="line-602"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>goDifferentHash</span> <span class='hs-varid'>s</span> <span class='hs-varid'>h1</span> <span class='hs-varid'>h2</span> <span class='hs-varid'>t1</span> <span class='hs-varid'>t2</span>
<a name="line-603"></a> <span class='hs-comment'>-- branch vs. branch</span>
<a name="line-604"></a> <span class='hs-varid'>go</span> <span class='hs-varid'>s</span> <span class='hs-layout'>(</span><span class='hs-conid'>BitmapIndexed</span> <span class='hs-varid'>b1</span> <span class='hs-varid'>ary1</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-conid'>BitmapIndexed</span> <span class='hs-varid'>b2</span> <span class='hs-varid'>ary2</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span>
<a name="line-605"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>b'</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>b1</span> <span class='hs-varop'>.|.</span> <span class='hs-varid'>b2</span>
<a name="line-606"></a> <span class='hs-varid'>ary'</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>unionArrayBy</span> <span class='hs-layout'>(</span><span class='hs-varid'>go</span> <span class='hs-layout'>(</span><span class='hs-varid'>s</span><span class='hs-varop'>+</span><span class='hs-varid'>bitsPerSubkey</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-varid'>b1</span> <span class='hs-varid'>b2</span> <span class='hs-varid'>ary1</span> <span class='hs-varid'>ary2</span>
<a name="line-607"></a> <span class='hs-keyword'>in</span> <span class='hs-varid'>bitmapIndexedOrFull</span> <span class='hs-varid'>b'</span> <span class='hs-varid'>ary'</span>
<a name="line-608"></a> <span class='hs-varid'>go</span> <span class='hs-varid'>s</span> <span class='hs-layout'>(</span><span class='hs-conid'>BitmapIndexed</span> <span class='hs-varid'>b1</span> <span class='hs-varid'>ary1</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-conid'>Full</span> <span class='hs-varid'>ary2</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span>
<a name="line-609"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>ary'</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>unionArrayBy</span> <span class='hs-layout'>(</span><span class='hs-varid'>go</span> <span class='hs-layout'>(</span><span class='hs-varid'>s</span><span class='hs-varop'>+</span><span class='hs-varid'>bitsPerSubkey</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-varid'>b1</span> <span class='hs-varid'>fullNodeMask</span> <span class='hs-varid'>ary1</span> <span class='hs-varid'>ary2</span>
<a name="line-610"></a> <span class='hs-keyword'>in</span> <span class='hs-conid'>Full</span> <span class='hs-varid'>ary'</span>
<a name="line-611"></a> <span class='hs-varid'>go</span> <span class='hs-varid'>s</span> <span class='hs-layout'>(</span><span class='hs-conid'>Full</span> <span class='hs-varid'>ary1</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-conid'>BitmapIndexed</span> <span class='hs-varid'>b2</span> <span class='hs-varid'>ary2</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span>
<a name="line-612"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>ary'</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>unionArrayBy</span> <span class='hs-layout'>(</span><span class='hs-varid'>go</span> <span class='hs-layout'>(</span><span class='hs-varid'>s</span><span class='hs-varop'>+</span><span class='hs-varid'>bitsPerSubkey</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-varid'>fullNodeMask</span> <span class='hs-varid'>b2</span> <span class='hs-varid'>ary1</span> <span class='hs-varid'>ary2</span>
<a name="line-613"></a> <span class='hs-keyword'>in</span> <span class='hs-conid'>Full</span> <span class='hs-varid'>ary'</span>
<a name="line-614"></a> <span class='hs-varid'>go</span> <span class='hs-varid'>s</span> <span class='hs-layout'>(</span><span class='hs-conid'>Full</span> <span class='hs-varid'>ary1</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-conid'>Full</span> <span class='hs-varid'>ary2</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span>
<a name="line-615"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>ary'</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>unionArrayBy</span> <span class='hs-layout'>(</span><span class='hs-varid'>go</span> <span class='hs-layout'>(</span><span class='hs-varid'>s</span><span class='hs-varop'>+</span><span class='hs-varid'>bitsPerSubkey</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-varid'>fullNodeMask</span> <span class='hs-varid'>fullNodeMask</span>
<a name="line-616"></a> <span class='hs-varid'>ary1</span> <span class='hs-varid'>ary2</span>
<a name="line-617"></a> <span class='hs-keyword'>in</span> <span class='hs-conid'>Full</span> <span class='hs-varid'>ary'</span>
<a name="line-618"></a> <span class='hs-comment'>-- leaf vs. branch</span>
<a name="line-619"></a> <span class='hs-varid'>go</span> <span class='hs-varid'>s</span> <span class='hs-layout'>(</span><span class='hs-conid'>BitmapIndexed</span> <span class='hs-varid'>b1</span> <span class='hs-varid'>ary1</span><span class='hs-layout'>)</span> <span class='hs-varid'>t2</span>
<a name="line-620"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>b1</span> <span class='hs-varop'>.&.</span> <span class='hs-varid'>m2</span> <span class='hs-varop'>==</span> <span class='hs-num'>0</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>let</span> <span class='hs-varid'>ary'</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>insert</span> <span class='hs-varid'>ary1</span> <span class='hs-varid'>i</span> <span class='hs-varid'>t2</span>
<a name="line-621"></a> <span class='hs-varid'>b'</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>b1</span> <span class='hs-varop'>.|.</span> <span class='hs-varid'>m2</span>
<a name="line-622"></a> <span class='hs-keyword'>in</span> <span class='hs-varid'>bitmapIndexedOrFull</span> <span class='hs-varid'>b'</span> <span class='hs-varid'>ary'</span>
<a name="line-623"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>let</span> <span class='hs-varid'>ary'</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>updateWith'</span> <span class='hs-varid'>ary1</span> <span class='hs-varid'>i</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>st1</span> <span class='hs-keyglyph'>-></span>
<a name="line-624"></a> <span class='hs-varid'>go</span> <span class='hs-layout'>(</span><span class='hs-varid'>s</span><span class='hs-varop'>+</span><span class='hs-varid'>bitsPerSubkey</span><span class='hs-layout'>)</span> <span class='hs-varid'>st1</span> <span class='hs-varid'>t2</span>
<a name="line-625"></a> <span class='hs-keyword'>in</span> <span class='hs-conid'>BitmapIndexed</span> <span class='hs-varid'>b1</span> <span class='hs-varid'>ary'</span>
<a name="line-626"></a> <span class='hs-keyword'>where</span>
<a name="line-627"></a> <span class='hs-varid'>h2</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>leafHashCode</span> <span class='hs-varid'>t2</span>
<a name="line-628"></a> <span class='hs-varid'>m2</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>mask</span> <span class='hs-varid'>h2</span> <span class='hs-varid'>s</span>
<a name="line-629"></a> <span class='hs-varid'>i</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>sparseIndex</span> <span class='hs-varid'>b1</span> <span class='hs-varid'>m2</span>
<a name="line-630"></a> <span class='hs-varid'>go</span> <span class='hs-varid'>s</span> <span class='hs-varid'>t1</span> <span class='hs-layout'>(</span><span class='hs-conid'>BitmapIndexed</span> <span class='hs-varid'>b2</span> <span class='hs-varid'>ary2</span><span class='hs-layout'>)</span>
<a name="line-631"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>b2</span> <span class='hs-varop'>.&.</span> <span class='hs-varid'>m1</span> <span class='hs-varop'>==</span> <span class='hs-num'>0</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>let</span> <span class='hs-varid'>ary'</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>insert</span> <span class='hs-varid'>ary2</span> <span class='hs-varid'>i</span> <span class='hs-varop'>$!</span> <span class='hs-varid'>t1</span>
<a name="line-632"></a> <span class='hs-varid'>b'</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>b2</span> <span class='hs-varop'>.|.</span> <span class='hs-varid'>m1</span>
<a name="line-633"></a> <span class='hs-keyword'>in</span> <span class='hs-varid'>bitmapIndexedOrFull</span> <span class='hs-varid'>b'</span> <span class='hs-varid'>ary'</span>
<a name="line-634"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>let</span> <span class='hs-varid'>ary'</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>updateWith'</span> <span class='hs-varid'>ary2</span> <span class='hs-varid'>i</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>st2</span> <span class='hs-keyglyph'>-></span>
<a name="line-635"></a> <span class='hs-varid'>go</span> <span class='hs-layout'>(</span><span class='hs-varid'>s</span><span class='hs-varop'>+</span><span class='hs-varid'>bitsPerSubkey</span><span class='hs-layout'>)</span> <span class='hs-varid'>t1</span> <span class='hs-varid'>st2</span>
<a name="line-636"></a> <span class='hs-keyword'>in</span> <span class='hs-conid'>BitmapIndexed</span> <span class='hs-varid'>b2</span> <span class='hs-varid'>ary'</span>
<a name="line-637"></a> <span class='hs-keyword'>where</span>
<a name="line-638"></a> <span class='hs-varid'>h1</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>leafHashCode</span> <span class='hs-varid'>t1</span>
<a name="line-639"></a> <span class='hs-varid'>m1</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>mask</span> <span class='hs-varid'>h1</span> <span class='hs-varid'>s</span>
<a name="line-640"></a> <span class='hs-varid'>i</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>sparseIndex</span> <span class='hs-varid'>b2</span> <span class='hs-varid'>m1</span>
<a name="line-641"></a> <span class='hs-varid'>go</span> <span class='hs-varid'>s</span> <span class='hs-layout'>(</span><span class='hs-conid'>Full</span> <span class='hs-varid'>ary1</span><span class='hs-layout'>)</span> <span class='hs-varid'>t2</span> <span class='hs-keyglyph'>=</span>
<a name="line-642"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>h2</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>leafHashCode</span> <span class='hs-varid'>t2</span>
<a name="line-643"></a> <span class='hs-varid'>i</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>index</span> <span class='hs-varid'>h2</span> <span class='hs-varid'>s</span>
<a name="line-644"></a> <span class='hs-varid'>ary'</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>update16With'</span> <span class='hs-varid'>ary1</span> <span class='hs-varid'>i</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>st1</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>go</span> <span class='hs-layout'>(</span><span class='hs-varid'>s</span><span class='hs-varop'>+</span><span class='hs-varid'>bitsPerSubkey</span><span class='hs-layout'>)</span> <span class='hs-varid'>st1</span> <span class='hs-varid'>t2</span>
<a name="line-645"></a> <span class='hs-keyword'>in</span> <span class='hs-conid'>Full</span> <span class='hs-varid'>ary'</span>
<a name="line-646"></a> <span class='hs-varid'>go</span> <span class='hs-varid'>s</span> <span class='hs-varid'>t1</span> <span class='hs-layout'>(</span><span class='hs-conid'>Full</span> <span class='hs-varid'>ary2</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span>
<a name="line-647"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>h1</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>leafHashCode</span> <span class='hs-varid'>t1</span>
<a name="line-648"></a> <span class='hs-varid'>i</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>index</span> <span class='hs-varid'>h1</span> <span class='hs-varid'>s</span>
<a name="line-649"></a> <span class='hs-varid'>ary'</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>update16With'</span> <span class='hs-varid'>ary2</span> <span class='hs-varid'>i</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>st2</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>go</span> <span class='hs-layout'>(</span><span class='hs-varid'>s</span><span class='hs-varop'>+</span><span class='hs-varid'>bitsPerSubkey</span><span class='hs-layout'>)</span> <span class='hs-varid'>t1</span> <span class='hs-varid'>st2</span>
<a name="line-650"></a> <span class='hs-keyword'>in</span> <span class='hs-conid'>Full</span> <span class='hs-varid'>ary'</span>
<a name="line-651"></a>
<a name="line-652"></a> <span class='hs-varid'>leafHashCode</span> <span class='hs-layout'>(</span><span class='hs-conid'>Leaf</span> <span class='hs-varid'>h</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>h</span>
<a name="line-653"></a> <span class='hs-varid'>leafHashCode</span> <span class='hs-layout'>(</span><span class='hs-conid'>Collision</span> <span class='hs-varid'>h</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>h</span>
<a name="line-654"></a> <span class='hs-varid'>leafHashCode</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>error</span> <span class='hs-str'>"leafHashCode"</span>
<a name="line-655"></a>
<a name="line-656"></a> <span class='hs-varid'>goDifferentHash</span> <span class='hs-varid'>s</span> <span class='hs-varid'>h1</span> <span class='hs-varid'>h2</span> <span class='hs-varid'>t1</span> <span class='hs-varid'>t2</span>
<a name="line-657"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>m1</span> <span class='hs-varop'>==</span> <span class='hs-varid'>m2</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>BitmapIndexed</span> <span class='hs-varid'>m1</span> <span class='hs-layout'>(</span><span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>singleton</span> <span class='hs-varop'>$!</span> <span class='hs-varid'>go</span> <span class='hs-layout'>(</span><span class='hs-varid'>s</span><span class='hs-varop'>+</span><span class='hs-varid'>bitsPerSubkey</span><span class='hs-layout'>)</span> <span class='hs-varid'>t1</span> <span class='hs-varid'>t2</span><span class='hs-layout'>)</span>
<a name="line-658"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>m1</span> <span class='hs-varop'><</span> <span class='hs-varid'>m2</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>BitmapIndexed</span> <span class='hs-layout'>(</span><span class='hs-varid'>m1</span> <span class='hs-varop'>.|.</span> <span class='hs-varid'>m2</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>pair</span> <span class='hs-varid'>t1</span> <span class='hs-varid'>t2</span><span class='hs-layout'>)</span>
<a name="line-659"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>BitmapIndexed</span> <span class='hs-layout'>(</span><span class='hs-varid'>m1</span> <span class='hs-varop'>.|.</span> <span class='hs-varid'>m2</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>pair</span> <span class='hs-varid'>t2</span> <span class='hs-varid'>t1</span><span class='hs-layout'>)</span>
<a name="line-660"></a> <span class='hs-keyword'>where</span>
<a name="line-661"></a> <span class='hs-varid'>m1</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>mask</span> <span class='hs-varid'>h1</span> <span class='hs-varid'>s</span>
<a name="line-662"></a> <span class='hs-varid'>m2</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>mask</span> <span class='hs-varid'>h2</span> <span class='hs-varid'>s</span>
<a name="line-663"></a><span class='hs-comment'>{-# INLINE unionWith #-}</span>
<a name="line-664"></a>
<a name="line-665"></a><a name="unionArrayBy"></a><span class='hs-comment'>-- | Strict in the result of @f@.</span>
<a name="line-666"></a><span class='hs-definition'>unionArrayBy</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Bitmap</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Bitmap</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-conid'>Array</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-conid'>Array</span> <span class='hs-varid'>a</span>
<a name="line-667"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-conid'>Array</span> <span class='hs-varid'>a</span>
<a name="line-668"></a><span class='hs-definition'>unionArrayBy</span> <span class='hs-varid'>f</span> <span class='hs-varid'>b1</span> <span class='hs-varid'>b2</span> <span class='hs-varid'>ary1</span> <span class='hs-varid'>ary2</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>run</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span>
<a name="line-669"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>b'</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>b1</span> <span class='hs-varop'>.|.</span> <span class='hs-varid'>b2</span>
<a name="line-670"></a> <span class='hs-varid'>mary</span> <span class='hs-keyglyph'><-</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>new_</span> <span class='hs-layout'>(</span><span class='hs-varid'>popCount</span> <span class='hs-varid'>b'</span><span class='hs-layout'>)</span>
<a name="line-671"></a> <span class='hs-comment'>-- iterate over nonzero bits of b1 .|. b2</span>
<a name="line-672"></a> <span class='hs-comment'>-- it would be nice if we could shift m by more than 1 each time</span>
<a name="line-673"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>ba</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>b1</span> <span class='hs-varop'>.&.</span> <span class='hs-varid'>b2</span>
<a name="line-674"></a> <span class='hs-varid'>go</span> <span class='hs-varop'>!</span><span class='hs-varid'>i</span> <span class='hs-varop'>!</span><span class='hs-varid'>i1</span> <span class='hs-varop'>!</span><span class='hs-varid'>i2</span> <span class='hs-varop'>!</span><span class='hs-varid'>m</span>
<a name="line-675"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>m</span> <span class='hs-varop'>></span> <span class='hs-varid'>b'</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>return</span> <span class='hs-conid'>()</span>
<a name="line-676"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>b'</span> <span class='hs-varop'>.&.</span> <span class='hs-varid'>m</span> <span class='hs-varop'>==</span> <span class='hs-num'>0</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>go</span> <span class='hs-varid'>i</span> <span class='hs-varid'>i1</span> <span class='hs-varid'>i2</span> <span class='hs-layout'>(</span><span class='hs-varid'>m</span> <span class='hs-varop'>`unsafeShiftL`</span> <span class='hs-num'>1</span><span class='hs-layout'>)</span>
<a name="line-677"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>ba</span> <span class='hs-varop'>.&.</span> <span class='hs-varid'>m</span> <span class='hs-varop'>/=</span> <span class='hs-num'>0</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-678"></a> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>write</span> <span class='hs-varid'>mary</span> <span class='hs-varid'>i</span> <span class='hs-varop'>$!</span> <span class='hs-varid'>f</span> <span class='hs-layout'>(</span><span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>index</span> <span class='hs-varid'>ary1</span> <span class='hs-varid'>i1</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>index</span> <span class='hs-varid'>ary2</span> <span class='hs-varid'>i2</span><span class='hs-layout'>)</span>
<a name="line-679"></a> <span class='hs-varid'>go</span> <span class='hs-layout'>(</span><span class='hs-varid'>i</span><span class='hs-varop'>+</span><span class='hs-num'>1</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>i1</span><span class='hs-varop'>+</span><span class='hs-num'>1</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>i2</span><span class='hs-varop'>+</span><span class='hs-num'>1</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>m</span> <span class='hs-varop'>`unsafeShiftL`</span> <span class='hs-num'>1</span><span class='hs-layout'>)</span>
<a name="line-680"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>b1</span> <span class='hs-varop'>.&.</span> <span class='hs-varid'>m</span> <span class='hs-varop'>/=</span> <span class='hs-num'>0</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-681"></a> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>write</span> <span class='hs-varid'>mary</span> <span class='hs-varid'>i</span> <span class='hs-varop'>=<<</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>indexM</span> <span class='hs-varid'>ary1</span> <span class='hs-varid'>i1</span>
<a name="line-682"></a> <span class='hs-varid'>go</span> <span class='hs-layout'>(</span><span class='hs-varid'>i</span><span class='hs-varop'>+</span><span class='hs-num'>1</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>i1</span><span class='hs-varop'>+</span><span class='hs-num'>1</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>i2</span> <span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>m</span> <span class='hs-varop'>`unsafeShiftL`</span> <span class='hs-num'>1</span><span class='hs-layout'>)</span>
<a name="line-683"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-684"></a> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>write</span> <span class='hs-varid'>mary</span> <span class='hs-varid'>i</span> <span class='hs-varop'>=<<</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>indexM</span> <span class='hs-varid'>ary2</span> <span class='hs-varid'>i2</span>
<a name="line-685"></a> <span class='hs-varid'>go</span> <span class='hs-layout'>(</span><span class='hs-varid'>i</span><span class='hs-varop'>+</span><span class='hs-num'>1</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>i1</span> <span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>i2</span><span class='hs-varop'>+</span><span class='hs-num'>1</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>m</span> <span class='hs-varop'>`unsafeShiftL`</span> <span class='hs-num'>1</span><span class='hs-layout'>)</span>
<a name="line-686"></a> <span class='hs-varid'>go</span> <span class='hs-num'>0</span> <span class='hs-num'>0</span> <span class='hs-num'>0</span> <span class='hs-layout'>(</span><span class='hs-varid'>b'</span> <span class='hs-varop'>.&.</span> <span class='hs-varid'>negate</span> <span class='hs-varid'>b'</span><span class='hs-layout'>)</span> <span class='hs-comment'>-- XXX: b' must be non-zero</span>
<a name="line-687"></a> <span class='hs-varid'>return</span> <span class='hs-varid'>mary</span>
<a name="line-688"></a> <span class='hs-comment'>-- TODO: For the case where b1 .&. b2 == b1, i.e. when one is a</span>
<a name="line-689"></a> <span class='hs-comment'>-- subset of the other, we could use a slightly simpler algorithm,</span>
<a name="line-690"></a> <span class='hs-comment'>-- where we copy one array, and then update.</span>
<a name="line-691"></a><span class='hs-comment'>{-# INLINE unionArrayBy #-}</span>
<a name="line-692"></a>
<a name="line-693"></a><span class='hs-comment'>-- TODO: Figure out the time complexity of 'unions'.</span>
<a name="line-694"></a>
<a name="line-695"></a><a name="unions"></a><span class='hs-comment'>-- | Construct a set containing all elements from a list of sets.</span>
<a name="line-696"></a><span class='hs-definition'>unions</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>Eq</span> <span class='hs-varid'>k</span><span class='hs-layout'>,</span> <span class='hs-conid'>Hashable</span> <span class='hs-varid'>k</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>HashMap</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>HashMap</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span>
<a name="line-697"></a><span class='hs-definition'>unions</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>L</span><span class='hs-varop'>.</span><span class='hs-varid'>foldl'</span> <span class='hs-varid'>union</span> <span class='hs-varid'>empty</span>
<a name="line-698"></a><span class='hs-comment'>{-# INLINE unions #-}</span>
<a name="line-699"></a>
<a name="line-700"></a><span class='hs-comment'>------------------------------------------------------------------------</span>
<a name="line-701"></a><span class='hs-comment'>-- * Transformations</span>
<a name="line-702"></a>
<a name="line-703"></a><a name="mapWithKey"></a><span class='hs-comment'>-- | /O(n)/ Transform this map by applying a function to every value.</span>
<a name="line-704"></a><span class='hs-definition'>mapWithKey</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-varid'>k</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>v1</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>v2</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>HashMap</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v1</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>HashMap</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v2</span>
<a name="line-705"></a><span class='hs-definition'>mapWithKey</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>go</span>
<a name="line-706"></a> <span class='hs-keyword'>where</span>
<a name="line-707"></a> <span class='hs-varid'>go</span> <span class='hs-conid'>Empty</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Empty</span>
<a name="line-708"></a> <span class='hs-varid'>go</span> <span class='hs-layout'>(</span><span class='hs-conid'>Leaf</span> <span class='hs-varid'>h</span> <span class='hs-layout'>(</span><span class='hs-conid'>L</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Leaf</span> <span class='hs-varid'>h</span> <span class='hs-varop'>$</span> <span class='hs-conid'>L</span> <span class='hs-varid'>k</span> <span class='hs-layout'>(</span><span class='hs-varid'>f</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span>
<a name="line-709"></a> <span class='hs-varid'>go</span> <span class='hs-layout'>(</span><span class='hs-conid'>BitmapIndexed</span> <span class='hs-varid'>b</span> <span class='hs-varid'>ary</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>BitmapIndexed</span> <span class='hs-varid'>b</span> <span class='hs-varop'>$</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>map'</span> <span class='hs-varid'>go</span> <span class='hs-varid'>ary</span>
<a name="line-710"></a> <span class='hs-varid'>go</span> <span class='hs-layout'>(</span><span class='hs-conid'>Full</span> <span class='hs-varid'>ary</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Full</span> <span class='hs-varop'>$</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>map'</span> <span class='hs-varid'>go</span> <span class='hs-varid'>ary</span>
<a name="line-711"></a> <span class='hs-varid'>go</span> <span class='hs-layout'>(</span><span class='hs-conid'>Collision</span> <span class='hs-varid'>h</span> <span class='hs-varid'>ary</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Collision</span> <span class='hs-varid'>h</span> <span class='hs-varop'>$</span>
<a name="line-712"></a> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>map'</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span> <span class='hs-layout'>(</span><span class='hs-conid'>L</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>L</span> <span class='hs-varid'>k</span> <span class='hs-layout'>(</span><span class='hs-varid'>f</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-varid'>ary</span>
<a name="line-713"></a><span class='hs-comment'>{-# INLINE mapWithKey #-}</span>
<a name="line-714"></a>
<a name="line-715"></a><a name="map"></a><span class='hs-definition'>map</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-varid'>v1</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>v2</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>HashMap</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v1</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>HashMap</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v2</span>
<a name="line-716"></a><span class='hs-definition'>map</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>mapWithKey</span> <span class='hs-layout'>(</span><span class='hs-varid'>const</span> <span class='hs-varid'>f</span><span class='hs-layout'>)</span>
<a name="line-717"></a><span class='hs-comment'>{-# INLINE map #-}</span>
<a name="line-718"></a>
<a name="line-719"></a><span class='hs-comment'>-- TODO: We should be able to use mutation to create the new</span>
<a name="line-720"></a><span class='hs-comment'>-- 'HashMap'.</span>
<a name="line-721"></a>
<a name="line-722"></a><a name="traverseWithKey"></a><span class='hs-comment'>-- | /O(n)/ Transform this map by accumulating an Applicative result</span>
<a name="line-723"></a><span class='hs-comment'>-- from every value.</span>
<a name="line-724"></a><span class='hs-definition'>traverseWithKey</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Applicative</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=></span> <span class='hs-layout'>(</span><span class='hs-varid'>k</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>v1</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>f</span> <span class='hs-varid'>v2</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>HashMap</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v1</span>
<a name="line-725"></a> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>f</span> <span class='hs-layout'>(</span><span class='hs-conid'>HashMap</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v2</span><span class='hs-layout'>)</span>
<a name="line-726"></a><span class='hs-definition'>traverseWithKey</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>go</span>
<a name="line-727"></a> <span class='hs-keyword'>where</span>
<a name="line-728"></a> <span class='hs-varid'>go</span> <span class='hs-conid'>Empty</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>pure</span> <span class='hs-conid'>Empty</span>
<a name="line-729"></a> <span class='hs-varid'>go</span> <span class='hs-layout'>(</span><span class='hs-conid'>Leaf</span> <span class='hs-varid'>h</span> <span class='hs-layout'>(</span><span class='hs-conid'>L</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Leaf</span> <span class='hs-varid'>h</span> <span class='hs-varop'>.</span> <span class='hs-conid'>L</span> <span class='hs-varid'>k</span> <span class='hs-varop'><$></span> <span class='hs-varid'>f</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span>
<a name="line-730"></a> <span class='hs-varid'>go</span> <span class='hs-layout'>(</span><span class='hs-conid'>BitmapIndexed</span> <span class='hs-varid'>b</span> <span class='hs-varid'>ary</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>BitmapIndexed</span> <span class='hs-varid'>b</span> <span class='hs-varop'><$></span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>traverse</span> <span class='hs-varid'>go</span> <span class='hs-varid'>ary</span>
<a name="line-731"></a> <span class='hs-varid'>go</span> <span class='hs-layout'>(</span><span class='hs-conid'>Full</span> <span class='hs-varid'>ary</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Full</span> <span class='hs-varop'><$></span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>traverse</span> <span class='hs-varid'>go</span> <span class='hs-varid'>ary</span>
<a name="line-732"></a> <span class='hs-varid'>go</span> <span class='hs-layout'>(</span><span class='hs-conid'>Collision</span> <span class='hs-varid'>h</span> <span class='hs-varid'>ary</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span>
<a name="line-733"></a> <span class='hs-conid'>Collision</span> <span class='hs-varid'>h</span> <span class='hs-varop'><$></span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>traverse</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span> <span class='hs-layout'>(</span><span class='hs-conid'>L</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>L</span> <span class='hs-varid'>k</span> <span class='hs-varop'><$></span> <span class='hs-varid'>f</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span> <span class='hs-varid'>ary</span>
<a name="line-734"></a><span class='hs-comment'>{-# INLINE traverseWithKey #-}</span>
<a name="line-735"></a>
<a name="line-736"></a><span class='hs-comment'>------------------------------------------------------------------------</span>
<a name="line-737"></a><span class='hs-comment'>-- * Difference and intersection</span>
<a name="line-738"></a>
<a name="line-739"></a><a name="difference"></a><span class='hs-comment'>-- | /O(n*log m)/ Difference of two maps. Return elements of the first map</span>
<a name="line-740"></a><span class='hs-comment'>-- not existing in the second.</span>
<a name="line-741"></a><span class='hs-definition'>difference</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>Eq</span> <span class='hs-varid'>k</span><span class='hs-layout'>,</span> <span class='hs-conid'>Hashable</span> <span class='hs-varid'>k</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>HashMap</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>HashMap</span> <span class='hs-varid'>k</span> <span class='hs-varid'>w</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>HashMap</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span>
<a name="line-742"></a><span class='hs-definition'>difference</span> <span class='hs-varid'>a</span> <span class='hs-varid'>b</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>foldlWithKey'</span> <span class='hs-varid'>go</span> <span class='hs-varid'>empty</span> <span class='hs-varid'>a</span>
<a name="line-743"></a> <span class='hs-keyword'>where</span>
<a name="line-744"></a> <span class='hs-varid'>go</span> <span class='hs-varid'>m</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>lookup</span> <span class='hs-varid'>k</span> <span class='hs-varid'>b</span> <span class='hs-keyword'>of</span>
<a name="line-745"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>insert</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span> <span class='hs-varid'>m</span>
<a name="line-746"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>m</span>
<a name="line-747"></a><span class='hs-cpp'>#if __GLASGOW_HASKELL__ >= 700</span>
<a name="line-748"></a><span class='hs-comment'>{-# INLINABLE difference #-}</span>
<a name="line-749"></a><span class='hs-cpp'>#endif</span>
<a name="line-750"></a>
<a name="line-751"></a><a name="intersection"></a><span class='hs-comment'>-- | /O(n*log m)/ Intersection of two maps. Return elements of the first</span>
<a name="line-752"></a><span class='hs-comment'>-- map for keys existing in the second.</span>
<a name="line-753"></a><span class='hs-definition'>intersection</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>Eq</span> <span class='hs-varid'>k</span><span class='hs-layout'>,</span> <span class='hs-conid'>Hashable</span> <span class='hs-varid'>k</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>HashMap</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>HashMap</span> <span class='hs-varid'>k</span> <span class='hs-varid'>w</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>HashMap</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span>
<a name="line-754"></a><span class='hs-definition'>intersection</span> <span class='hs-varid'>a</span> <span class='hs-varid'>b</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>foldlWithKey'</span> <span class='hs-varid'>go</span> <span class='hs-varid'>empty</span> <span class='hs-varid'>a</span>
<a name="line-755"></a> <span class='hs-keyword'>where</span>
<a name="line-756"></a> <span class='hs-varid'>go</span> <span class='hs-varid'>m</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>lookup</span> <span class='hs-varid'>k</span> <span class='hs-varid'>b</span> <span class='hs-keyword'>of</span>
<a name="line-757"></a> <span class='hs-conid'>Just</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>insert</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span> <span class='hs-varid'>m</span>
<a name="line-758"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>m</span>
<a name="line-759"></a><span class='hs-cpp'>#if __GLASGOW_HASKELL__ >= 700</span>
<a name="line-760"></a><span class='hs-comment'>{-# INLINABLE intersection #-}</span>
<a name="line-761"></a><span class='hs-cpp'>#endif</span>
<a name="line-762"></a>
<a name="line-763"></a><a name="intersectionWith"></a><span class='hs-comment'>-- | /O(n+m)/ Intersection of two maps. If a key occurs in both maps</span>
<a name="line-764"></a><span class='hs-comment'>-- the provided function is used to combine the values from the two</span>
<a name="line-765"></a><span class='hs-comment'>-- maps.</span>
<a name="line-766"></a><span class='hs-definition'>intersectionWith</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>Eq</span> <span class='hs-varid'>k</span><span class='hs-layout'>,</span> <span class='hs-conid'>Hashable</span> <span class='hs-varid'>k</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=></span> <span class='hs-layout'>(</span><span class='hs-varid'>v1</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>v2</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>v3</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>HashMap</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v1</span>
<a name="line-767"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>HashMap</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v2</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>HashMap</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v3</span>
<a name="line-768"></a><span class='hs-definition'>intersectionWith</span> <span class='hs-varid'>f</span> <span class='hs-varid'>a</span> <span class='hs-varid'>b</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>foldlWithKey'</span> <span class='hs-varid'>go</span> <span class='hs-varid'>empty</span> <span class='hs-varid'>a</span>
<a name="line-769"></a> <span class='hs-keyword'>where</span>
<a name="line-770"></a> <span class='hs-varid'>go</span> <span class='hs-varid'>m</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>lookup</span> <span class='hs-varid'>k</span> <span class='hs-varid'>b</span> <span class='hs-keyword'>of</span>
<a name="line-771"></a> <span class='hs-conid'>Just</span> <span class='hs-varid'>w</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>insert</span> <span class='hs-varid'>k</span> <span class='hs-layout'>(</span><span class='hs-varid'>f</span> <span class='hs-varid'>v</span> <span class='hs-varid'>w</span><span class='hs-layout'>)</span> <span class='hs-varid'>m</span>
<a name="line-772"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>m</span>
<a name="line-773"></a><span class='hs-cpp'>#if __GLASGOW_HASKELL__ >= 700</span>
<a name="line-774"></a><span class='hs-comment'>{-# INLINABLE intersectionWith #-}</span>
<a name="line-775"></a><span class='hs-cpp'>#endif</span>
<a name="line-776"></a>
<a name="line-777"></a><span class='hs-comment'>------------------------------------------------------------------------</span>
<a name="line-778"></a><span class='hs-comment'>-- * Folds</span>
<a name="line-779"></a>
<a name="line-780"></a><a name="foldl'"></a><span class='hs-comment'>-- | /O(n)/ Reduce this map by applying a binary operator to all</span>
<a name="line-781"></a><span class='hs-comment'>-- elements, using the given starting value (typically the</span>
<a name="line-782"></a><span class='hs-comment'>-- left-identity of the operator). Each application of the operator</span>
<a name="line-783"></a><span class='hs-comment'>-- is evaluated before before using the result in the next</span>
<a name="line-784"></a><span class='hs-comment'>-- application. This function is strict in the starting value.</span>
<a name="line-785"></a><span class='hs-definition'>foldl'</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>HashMap</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>a</span>
<a name="line-786"></a><span class='hs-definition'>foldl'</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>foldlWithKey'</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span> <span class='hs-varid'>z</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>f</span> <span class='hs-varid'>z</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span>
<a name="line-787"></a><span class='hs-comment'>{-# INLINE foldl' #-}</span>
<a name="line-788"></a>
<a name="line-789"></a><a name="foldlWithKey'"></a><span class='hs-comment'>-- | /O(n)/ Reduce this map by applying a binary operator to all</span>
<a name="line-790"></a><span class='hs-comment'>-- elements, using the given starting value (typically the</span>
<a name="line-791"></a><span class='hs-comment'>-- left-identity of the operator). Each application of the operator</span>
<a name="line-792"></a><span class='hs-comment'>-- is evaluated before before using the result in the next</span>
<a name="line-793"></a><span class='hs-comment'>-- application. This function is strict in the starting value.</span>
<a name="line-794"></a><span class='hs-definition'>foldlWithKey'</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>k</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>HashMap</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>a</span>
<a name="line-795"></a><span class='hs-definition'>foldlWithKey'</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>go</span>
<a name="line-796"></a> <span class='hs-keyword'>where</span>
<a name="line-797"></a> <span class='hs-varid'>go</span> <span class='hs-varop'>!</span><span class='hs-varid'>z</span> <span class='hs-conid'>Empty</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>z</span>
<a name="line-798"></a> <span class='hs-varid'>go</span> <span class='hs-varid'>z</span> <span class='hs-layout'>(</span><span class='hs-conid'>Leaf</span> <span class='hs-keyword'>_</span> <span class='hs-layout'>(</span><span class='hs-conid'>L</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>f</span> <span class='hs-varid'>z</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span>
<a name="line-799"></a> <span class='hs-varid'>go</span> <span class='hs-varid'>z</span> <span class='hs-layout'>(</span><span class='hs-conid'>BitmapIndexed</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>ary</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>foldl'</span> <span class='hs-varid'>go</span> <span class='hs-varid'>z</span> <span class='hs-varid'>ary</span>
<a name="line-800"></a> <span class='hs-varid'>go</span> <span class='hs-varid'>z</span> <span class='hs-layout'>(</span><span class='hs-conid'>Full</span> <span class='hs-varid'>ary</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>foldl'</span> <span class='hs-varid'>go</span> <span class='hs-varid'>z</span> <span class='hs-varid'>ary</span>
<a name="line-801"></a> <span class='hs-varid'>go</span> <span class='hs-varid'>z</span> <span class='hs-layout'>(</span><span class='hs-conid'>Collision</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>ary</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>foldl'</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span> <span class='hs-varid'>z'</span> <span class='hs-layout'>(</span><span class='hs-conid'>L</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>f</span> <span class='hs-varid'>z'</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span> <span class='hs-varid'>z</span> <span class='hs-varid'>ary</span>
<a name="line-802"></a><span class='hs-comment'>{-# INLINE foldlWithKey' #-}</span>
<a name="line-803"></a>
<a name="line-804"></a><a name="foldr"></a><span class='hs-comment'>-- | /O(n)/ Reduce this map by applying a binary operator to all</span>
<a name="line-805"></a><span class='hs-comment'>-- elements, using the given starting value (typically the</span>
<a name="line-806"></a><span class='hs-comment'>-- right-identity of the operator).</span>
<a name="line-807"></a><span class='hs-definition'>foldr</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-varid'>v</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>HashMap</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>a</span>
<a name="line-808"></a><span class='hs-definition'>foldr</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>foldrWithKey</span> <span class='hs-layout'>(</span><span class='hs-varid'>const</span> <span class='hs-varid'>f</span><span class='hs-layout'>)</span>
<a name="line-809"></a><span class='hs-comment'>{-# INLINE foldr #-}</span>
<a name="line-810"></a>
<a name="line-811"></a><a name="foldrWithKey"></a><span class='hs-comment'>-- | /O(n)/ Reduce this map by applying a binary operator to all</span>
<a name="line-812"></a><span class='hs-comment'>-- elements, using the given starting value (typically the</span>
<a name="line-813"></a><span class='hs-comment'>-- right-identity of the operator).</span>
<a name="line-814"></a><span class='hs-definition'>foldrWithKey</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-varid'>k</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>HashMap</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>a</span>
<a name="line-815"></a><span class='hs-definition'>foldrWithKey</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>go</span>
<a name="line-816"></a> <span class='hs-keyword'>where</span>
<a name="line-817"></a> <span class='hs-varid'>go</span> <span class='hs-varid'>z</span> <span class='hs-conid'>Empty</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>z</span>
<a name="line-818"></a> <span class='hs-varid'>go</span> <span class='hs-varid'>z</span> <span class='hs-layout'>(</span><span class='hs-conid'>Leaf</span> <span class='hs-keyword'>_</span> <span class='hs-layout'>(</span><span class='hs-conid'>L</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>f</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span> <span class='hs-varid'>z</span>
<a name="line-819"></a> <span class='hs-varid'>go</span> <span class='hs-varid'>z</span> <span class='hs-layout'>(</span><span class='hs-conid'>BitmapIndexed</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>ary</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>foldr</span> <span class='hs-layout'>(</span><span class='hs-varid'>flip</span> <span class='hs-varid'>go</span><span class='hs-layout'>)</span> <span class='hs-varid'>z</span> <span class='hs-varid'>ary</span>
<a name="line-820"></a> <span class='hs-varid'>go</span> <span class='hs-varid'>z</span> <span class='hs-layout'>(</span><span class='hs-conid'>Full</span> <span class='hs-varid'>ary</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>foldr</span> <span class='hs-layout'>(</span><span class='hs-varid'>flip</span> <span class='hs-varid'>go</span><span class='hs-layout'>)</span> <span class='hs-varid'>z</span> <span class='hs-varid'>ary</span>
<a name="line-821"></a> <span class='hs-varid'>go</span> <span class='hs-varid'>z</span> <span class='hs-layout'>(</span><span class='hs-conid'>Collision</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>ary</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>foldr</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span> <span class='hs-layout'>(</span><span class='hs-conid'>L</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span> <span class='hs-varid'>z'</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>f</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span> <span class='hs-varid'>z'</span><span class='hs-layout'>)</span> <span class='hs-varid'>z</span> <span class='hs-varid'>ary</span>
<a name="line-822"></a><span class='hs-comment'>{-# INLINE foldrWithKey #-}</span>
<a name="line-823"></a>
<a name="line-824"></a><span class='hs-comment'>------------------------------------------------------------------------</span>
<a name="line-825"></a><span class='hs-comment'>-- * Filter</span>
<a name="line-826"></a>
<a name="line-827"></a><a name="trim"></a><span class='hs-comment'>-- | Create a new array of the @n@ first elements of @mary@.</span>
<a name="line-828"></a><span class='hs-definition'>trim</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-conid'>MArray</span> <span class='hs-varid'>s</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Int</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ST</span> <span class='hs-varid'>s</span> <span class='hs-layout'>(</span><span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-conid'>Array</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span>
<a name="line-829"></a><span class='hs-definition'>trim</span> <span class='hs-varid'>mary</span> <span class='hs-varid'>n</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-830"></a> <span class='hs-varid'>mary2</span> <span class='hs-keyglyph'><-</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>new_</span> <span class='hs-varid'>n</span>
<a name="line-831"></a> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>copyM</span> <span class='hs-varid'>mary</span> <span class='hs-num'>0</span> <span class='hs-varid'>mary2</span> <span class='hs-num'>0</span> <span class='hs-varid'>n</span>
<a name="line-832"></a> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>unsafeFreeze</span> <span class='hs-varid'>mary2</span>
<a name="line-833"></a><span class='hs-comment'>{-# INLINE trim #-}</span>
<a name="line-834"></a>
<a name="line-835"></a><a name="filterWithKey"></a><span class='hs-comment'>-- | /O(n)/ Filter this map by retaining only elements satisfying a</span>
<a name="line-836"></a><span class='hs-comment'>-- predicate.</span>
<a name="line-837"></a><span class='hs-definition'>filterWithKey</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-varid'>k</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Bool</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>HashMap</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>HashMap</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span>
<a name="line-838"></a><span class='hs-definition'>filterWithKey</span> <span class='hs-varid'>pred</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>go</span>
<a name="line-839"></a> <span class='hs-keyword'>where</span>
<a name="line-840"></a> <span class='hs-varid'>go</span> <span class='hs-conid'>Empty</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Empty</span>
<a name="line-841"></a> <span class='hs-varid'>go</span> <span class='hs-varid'>t</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>Leaf</span> <span class='hs-keyword'>_</span> <span class='hs-layout'>(</span><span class='hs-conid'>L</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-842"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>pred</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>t</span>
<a name="line-843"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Empty</span>
<a name="line-844"></a> <span class='hs-varid'>go</span> <span class='hs-layout'>(</span><span class='hs-conid'>BitmapIndexed</span> <span class='hs-varid'>b</span> <span class='hs-varid'>ary</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>filterA</span> <span class='hs-varid'>ary</span> <span class='hs-varid'>b</span>
<a name="line-845"></a> <span class='hs-varid'>go</span> <span class='hs-layout'>(</span><span class='hs-conid'>Full</span> <span class='hs-varid'>ary</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>filterA</span> <span class='hs-varid'>ary</span> <span class='hs-varid'>fullNodeMask</span>
<a name="line-846"></a> <span class='hs-varid'>go</span> <span class='hs-layout'>(</span><span class='hs-conid'>Collision</span> <span class='hs-varid'>h</span> <span class='hs-varid'>ary</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>filterC</span> <span class='hs-varid'>ary</span> <span class='hs-varid'>h</span>
<a name="line-847"></a>
<a name="line-848"></a> <span class='hs-varid'>filterA</span> <span class='hs-varid'>ary0</span> <span class='hs-varid'>b0</span> <span class='hs-keyglyph'>=</span>
<a name="line-849"></a> <span class='hs-keyword'>let</span> <span class='hs-varop'>!</span><span class='hs-varid'>n</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>length</span> <span class='hs-varid'>ary0</span>
<a name="line-850"></a> <span class='hs-keyword'>in</span> <span class='hs-varid'>runST</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span>
<a name="line-851"></a> <span class='hs-varid'>mary</span> <span class='hs-keyglyph'><-</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>new_</span> <span class='hs-varid'>n</span>
<a name="line-852"></a> <span class='hs-varid'>step</span> <span class='hs-varid'>ary0</span> <span class='hs-varid'>mary</span> <span class='hs-varid'>b0</span> <span class='hs-num'>0</span> <span class='hs-num'>0</span> <span class='hs-num'>1</span> <span class='hs-varid'>n</span>
<a name="line-853"></a> <span class='hs-keyword'>where</span>
<a name="line-854"></a> <span class='hs-varid'>step</span> <span class='hs-varop'>!</span><span class='hs-varid'>ary</span> <span class='hs-varop'>!</span><span class='hs-varid'>mary</span> <span class='hs-varop'>!</span><span class='hs-varid'>b</span> <span class='hs-varid'>i</span> <span class='hs-varop'>!</span><span class='hs-varid'>j</span> <span class='hs-varop'>!</span><span class='hs-varid'>bi</span> <span class='hs-varid'>n</span>
<a name="line-855"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>i</span> <span class='hs-varop'>>=</span> <span class='hs-varid'>n</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>j</span> <span class='hs-keyword'>of</span>
<a name="line-856"></a> <span class='hs-num'>0</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-conid'>Empty</span>
<a name="line-857"></a> <span class='hs-num'>1</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span>
<a name="line-858"></a> <span class='hs-varid'>ch</span> <span class='hs-keyglyph'><-</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>read</span> <span class='hs-varid'>mary</span> <span class='hs-num'>0</span>
<a name="line-859"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>ch</span> <span class='hs-keyword'>of</span>
<a name="line-860"></a> <span class='hs-varid'>t</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>isLeafOrCollision</span> <span class='hs-varid'>t</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-varid'>t</span>
<a name="line-861"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>BitmapIndexed</span> <span class='hs-varid'>b</span> <span class='hs-varop'><$></span> <span class='hs-varid'>trim</span> <span class='hs-varid'>mary</span> <span class='hs-num'>1</span>
<a name="line-862"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span>
<a name="line-863"></a> <span class='hs-varid'>ary2</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>trim</span> <span class='hs-varid'>mary</span> <span class='hs-varid'>j</span>
<a name="line-864"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$!</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>j</span> <span class='hs-varop'>==</span> <span class='hs-varid'>maxChildren</span>
<a name="line-865"></a> <span class='hs-keyword'>then</span> <span class='hs-conid'>Full</span> <span class='hs-varid'>ary2</span>
<a name="line-866"></a> <span class='hs-keyword'>else</span> <span class='hs-conid'>BitmapIndexed</span> <span class='hs-varid'>b</span> <span class='hs-varid'>ary2</span>
<a name="line-867"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>bi</span> <span class='hs-varop'>.&.</span> <span class='hs-varid'>b</span> <span class='hs-varop'>==</span> <span class='hs-num'>0</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>step</span> <span class='hs-varid'>ary</span> <span class='hs-varid'>mary</span> <span class='hs-varid'>b</span> <span class='hs-varid'>i</span> <span class='hs-varid'>j</span> <span class='hs-layout'>(</span><span class='hs-varid'>bi</span> <span class='hs-varop'>`unsafeShiftL`</span> <span class='hs-num'>1</span><span class='hs-layout'>)</span> <span class='hs-varid'>n</span>
<a name="line-868"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>go</span> <span class='hs-layout'>(</span><span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>index</span> <span class='hs-varid'>ary</span> <span class='hs-varid'>i</span><span class='hs-layout'>)</span> <span class='hs-keyword'>of</span>
<a name="line-869"></a> <span class='hs-conid'>Empty</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>step</span> <span class='hs-varid'>ary</span> <span class='hs-varid'>mary</span> <span class='hs-layout'>(</span><span class='hs-varid'>b</span> <span class='hs-varop'>.&.</span> <span class='hs-varid'>complement</span> <span class='hs-varid'>bi</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>i</span><span class='hs-varop'>+</span><span class='hs-num'>1</span><span class='hs-layout'>)</span> <span class='hs-varid'>j</span>
<a name="line-870"></a> <span class='hs-layout'>(</span><span class='hs-varid'>bi</span> <span class='hs-varop'>`unsafeShiftL`</span> <span class='hs-num'>1</span><span class='hs-layout'>)</span> <span class='hs-varid'>n</span>
<a name="line-871"></a> <span class='hs-varid'>t</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>write</span> <span class='hs-varid'>mary</span> <span class='hs-varid'>j</span> <span class='hs-varid'>t</span>
<a name="line-872"></a> <span class='hs-varid'>step</span> <span class='hs-varid'>ary</span> <span class='hs-varid'>mary</span> <span class='hs-varid'>b</span> <span class='hs-layout'>(</span><span class='hs-varid'>i</span><span class='hs-varop'>+</span><span class='hs-num'>1</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>j</span><span class='hs-varop'>+</span><span class='hs-num'>1</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>bi</span> <span class='hs-varop'>`unsafeShiftL`</span> <span class='hs-num'>1</span><span class='hs-layout'>)</span> <span class='hs-varid'>n</span>
<a name="line-873"></a>
<a name="line-874"></a> <span class='hs-varid'>filterC</span> <span class='hs-varid'>ary0</span> <span class='hs-varid'>h</span> <span class='hs-keyglyph'>=</span>
<a name="line-875"></a> <span class='hs-keyword'>let</span> <span class='hs-varop'>!</span><span class='hs-varid'>n</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>length</span> <span class='hs-varid'>ary0</span>
<a name="line-876"></a> <span class='hs-keyword'>in</span> <span class='hs-varid'>runST</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span>
<a name="line-877"></a> <span class='hs-varid'>mary</span> <span class='hs-keyglyph'><-</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>new_</span> <span class='hs-varid'>n</span>
<a name="line-878"></a> <span class='hs-varid'>step</span> <span class='hs-varid'>ary0</span> <span class='hs-varid'>mary</span> <span class='hs-num'>0</span> <span class='hs-num'>0</span> <span class='hs-varid'>n</span>
<a name="line-879"></a> <span class='hs-keyword'>where</span>
<a name="line-880"></a> <span class='hs-varid'>step</span> <span class='hs-varop'>!</span><span class='hs-varid'>ary</span> <span class='hs-varop'>!</span><span class='hs-varid'>mary</span> <span class='hs-varid'>i</span> <span class='hs-varop'>!</span><span class='hs-varid'>j</span> <span class='hs-varid'>n</span>
<a name="line-881"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>i</span> <span class='hs-varop'>>=</span> <span class='hs-varid'>n</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>j</span> <span class='hs-keyword'>of</span>
<a name="line-882"></a> <span class='hs-num'>0</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-conid'>Empty</span>
<a name="line-883"></a> <span class='hs-num'>1</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span> <span class='hs-varid'>l</span> <span class='hs-keyglyph'><-</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>read</span> <span class='hs-varid'>mary</span> <span class='hs-num'>0</span>
<a name="line-884"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$!</span> <span class='hs-conid'>Leaf</span> <span class='hs-varid'>h</span> <span class='hs-varid'>l</span>
<a name="line-885"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>i</span> <span class='hs-varop'>==</span> <span class='hs-varid'>j</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span> <span class='hs-varid'>ary2</span> <span class='hs-keyglyph'><-</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>unsafeFreeze</span> <span class='hs-varid'>mary</span>
<a name="line-886"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$!</span> <span class='hs-conid'>Collision</span> <span class='hs-varid'>h</span> <span class='hs-varid'>ary2</span>
<a name="line-887"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span> <span class='hs-varid'>ary2</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>trim</span> <span class='hs-varid'>mary</span> <span class='hs-varid'>j</span>
<a name="line-888"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$!</span> <span class='hs-conid'>Collision</span> <span class='hs-varid'>h</span> <span class='hs-varid'>ary2</span>
<a name="line-889"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>pred</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>write</span> <span class='hs-varid'>mary</span> <span class='hs-varid'>j</span> <span class='hs-varid'>el</span> <span class='hs-varop'>>></span> <span class='hs-varid'>step</span> <span class='hs-varid'>ary</span> <span class='hs-varid'>mary</span> <span class='hs-layout'>(</span><span class='hs-varid'>i</span><span class='hs-varop'>+</span><span class='hs-num'>1</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>j</span><span class='hs-varop'>+</span><span class='hs-num'>1</span><span class='hs-layout'>)</span> <span class='hs-varid'>n</span>
<a name="line-890"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>step</span> <span class='hs-varid'>ary</span> <span class='hs-varid'>mary</span> <span class='hs-layout'>(</span><span class='hs-varid'>i</span><span class='hs-varop'>+</span><span class='hs-num'>1</span><span class='hs-layout'>)</span> <span class='hs-varid'>j</span> <span class='hs-varid'>n</span>
<a name="line-891"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>el</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>L</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>index</span> <span class='hs-varid'>ary</span> <span class='hs-varid'>i</span>
<a name="line-892"></a><span class='hs-comment'>{-# INLINE filterWithKey #-}</span>
<a name="line-893"></a>
<a name="line-894"></a><a name="filter"></a><span class='hs-comment'>-- | /O(n)/ Filter this map by retaining only elements which values</span>
<a name="line-895"></a><span class='hs-comment'>-- satisfy a predicate.</span>
<a name="line-896"></a><span class='hs-definition'>filter</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-varid'>v</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Bool</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>HashMap</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>HashMap</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span>
<a name="line-897"></a><span class='hs-definition'>filter</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>filterWithKey</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-keyword'>_</span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>p</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span>
<a name="line-898"></a><span class='hs-comment'>{-# INLINE filter #-}</span>
<a name="line-899"></a>
<a name="line-900"></a><span class='hs-comment'>------------------------------------------------------------------------</span>
<a name="line-901"></a><span class='hs-comment'>-- * Conversions</span>
<a name="line-902"></a>
<a name="line-903"></a><span class='hs-comment'>-- TODO: Improve fusion rules by modelled them after the Prelude ones</span>
<a name="line-904"></a><span class='hs-comment'>-- on lists.</span>
<a name="line-905"></a>
<a name="line-906"></a><a name="keys"></a><span class='hs-comment'>-- | /O(n)/ Return a list of this map's keys. The list is produced</span>
<a name="line-907"></a><span class='hs-comment'>-- lazily.</span>
<a name="line-908"></a><span class='hs-definition'>keys</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>HashMap</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>k</span><span class='hs-keyglyph'>]</span>
<a name="line-909"></a><span class='hs-definition'>keys</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>L</span><span class='hs-varop'>.</span><span class='hs-varid'>map</span> <span class='hs-varid'>fst</span> <span class='hs-varop'>.</span> <span class='hs-varid'>toList</span>
<a name="line-910"></a><span class='hs-comment'>{-# INLINE keys #-}</span>
<a name="line-911"></a>
<a name="line-912"></a><a name="elems"></a><span class='hs-comment'>-- | /O(n)/ Return a list of this map's values. The list is produced</span>
<a name="line-913"></a><span class='hs-comment'>-- lazily.</span>
<a name="line-914"></a><span class='hs-definition'>elems</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>HashMap</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>v</span><span class='hs-keyglyph'>]</span>
<a name="line-915"></a><span class='hs-definition'>elems</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>L</span><span class='hs-varop'>.</span><span class='hs-varid'>map</span> <span class='hs-varid'>snd</span> <span class='hs-varop'>.</span> <span class='hs-varid'>toList</span>
<a name="line-916"></a><span class='hs-comment'>{-# INLINE elems #-}</span>
<a name="line-917"></a>
<a name="line-918"></a><span class='hs-comment'>------------------------------------------------------------------------</span>
<a name="line-919"></a><span class='hs-comment'>-- ** Lists</span>
<a name="line-920"></a>
<a name="line-921"></a><a name="toList"></a><span class='hs-comment'>-- | /O(n)/ Return a list of this map's elements. The list is</span>
<a name="line-922"></a><span class='hs-comment'>-- produced lazily.</span>
<a name="line-923"></a><span class='hs-definition'>toList</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>HashMap</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-varid'>k</span><span class='hs-layout'>,</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span>
<a name="line-924"></a><span class='hs-cpp'>#if defined(__GLASGOW_HASKELL__)</span>
<a name="line-925"></a><span class='hs-definition'>toList</span> <span class='hs-varid'>t</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>build</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span> <span class='hs-varid'>c</span> <span class='hs-varid'>z</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>foldrWithKey</span> <span class='hs-layout'>(</span><span class='hs-varid'>curry</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span> <span class='hs-varid'>z</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span>
<a name="line-926"></a><span class='hs-cpp'>#else</span>
<a name="line-927"></a><span class='hs-definition'>toList</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>foldrWithKey</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span> <span class='hs-varid'>xs</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-varid'>k</span><span class='hs-layout'>,</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span> <span class='hs-conop'>:</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-conid'>[]</span>
<a name="line-928"></a><span class='hs-cpp'>#endif</span>
<a name="line-929"></a><span class='hs-comment'>{-# INLINE toList #-}</span>
<a name="line-930"></a>
<a name="line-931"></a><a name="fromList"></a><span class='hs-comment'>-- | /O(n)/ Construct a map with the supplied mappings. If the list</span>
<a name="line-932"></a><span class='hs-comment'>-- contains duplicate mappings, the later mappings take precedence.</span>
<a name="line-933"></a><span class='hs-definition'>fromList</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>Eq</span> <span class='hs-varid'>k</span><span class='hs-layout'>,</span> <span class='hs-conid'>Hashable</span> <span class='hs-varid'>k</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=></span> <span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-varid'>k</span><span class='hs-layout'>,</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>HashMap</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span>
<a name="line-934"></a><span class='hs-definition'>fromList</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>L</span><span class='hs-varop'>.</span><span class='hs-varid'>foldl'</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span> <span class='hs-varid'>m</span> <span class='hs-layout'>(</span><span class='hs-varid'>k</span><span class='hs-layout'>,</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>unsafeInsert</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span> <span class='hs-varid'>m</span><span class='hs-layout'>)</span> <span class='hs-varid'>empty</span>
<a name="line-935"></a><span class='hs-cpp'>#if __GLASGOW_HASKELL__ >= 700</span>
<a name="line-936"></a><span class='hs-comment'>{-# INLINABLE fromList #-}</span>
<a name="line-937"></a><span class='hs-cpp'>#endif</span>
<a name="line-938"></a>
<a name="line-939"></a><a name="fromListWith"></a><span class='hs-comment'>-- | /O(n*log n)/ Construct a map from a list of elements. Uses</span>
<a name="line-940"></a><span class='hs-comment'>-- the provided function to merge duplicate entries.</span>
<a name="line-941"></a><span class='hs-definition'>fromListWith</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>Eq</span> <span class='hs-varid'>k</span><span class='hs-layout'>,</span> <span class='hs-conid'>Hashable</span> <span class='hs-varid'>k</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=></span> <span class='hs-layout'>(</span><span class='hs-varid'>v</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-varid'>k</span><span class='hs-layout'>,</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>HashMap</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span>
<a name="line-942"></a><span class='hs-definition'>fromListWith</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>L</span><span class='hs-varop'>.</span><span class='hs-varid'>foldl'</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span> <span class='hs-varid'>m</span> <span class='hs-layout'>(</span><span class='hs-varid'>k</span><span class='hs-layout'>,</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>unsafeInsertWith</span> <span class='hs-varid'>f</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span> <span class='hs-varid'>m</span><span class='hs-layout'>)</span> <span class='hs-varid'>empty</span>
<a name="line-943"></a><span class='hs-cpp'>#if __GLASGOW_HASKELL__ >= 700</span>
<a name="line-944"></a><span class='hs-comment'>{-# INLINE fromListWith #-}</span>
<a name="line-945"></a><span class='hs-cpp'>#endif</span>
<a name="line-946"></a>
<a name="line-947"></a><span class='hs-comment'>------------------------------------------------------------------------</span>
<a name="line-948"></a><span class='hs-comment'>-- Array operations</span>
<a name="line-949"></a>
<a name="line-950"></a><a name="lookupInArray"></a><span class='hs-comment'>-- | /O(n)/ Lookup the value associated with the given key in this</span>
<a name="line-951"></a><span class='hs-comment'>-- array. Returns 'Nothing' if the key wasn't found.</span>
<a name="line-952"></a><span class='hs-definition'>lookupInArray</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Eq</span> <span class='hs-varid'>k</span> <span class='hs-keyglyph'>=></span> <span class='hs-varid'>k</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-conid'>Array</span> <span class='hs-layout'>(</span><span class='hs-conid'>Leaf</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Maybe</span> <span class='hs-varid'>v</span>
<a name="line-953"></a><span class='hs-definition'>lookupInArray</span> <span class='hs-varid'>k0</span> <span class='hs-varid'>ary0</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>go</span> <span class='hs-varid'>k0</span> <span class='hs-varid'>ary0</span> <span class='hs-num'>0</span> <span class='hs-layout'>(</span><span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>length</span> <span class='hs-varid'>ary0</span><span class='hs-layout'>)</span>
<a name="line-954"></a> <span class='hs-keyword'>where</span>
<a name="line-955"></a> <span class='hs-varid'>go</span> <span class='hs-varop'>!</span><span class='hs-varid'>k</span> <span class='hs-varop'>!</span><span class='hs-varid'>ary</span> <span class='hs-varop'>!</span><span class='hs-varid'>i</span> <span class='hs-varop'>!</span><span class='hs-varid'>n</span>
<a name="line-956"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>i</span> <span class='hs-varop'>>=</span> <span class='hs-varid'>n</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Nothing</span>
<a name="line-957"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>index</span> <span class='hs-varid'>ary</span> <span class='hs-varid'>i</span> <span class='hs-keyword'>of</span>
<a name="line-958"></a> <span class='hs-layout'>(</span><span class='hs-conid'>L</span> <span class='hs-varid'>kx</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span>
<a name="line-959"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>k</span> <span class='hs-varop'>==</span> <span class='hs-varid'>kx</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Just</span> <span class='hs-varid'>v</span>
<a name="line-960"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>go</span> <span class='hs-varid'>k</span> <span class='hs-varid'>ary</span> <span class='hs-layout'>(</span><span class='hs-varid'>i</span><span class='hs-varop'>+</span><span class='hs-num'>1</span><span class='hs-layout'>)</span> <span class='hs-varid'>n</span>
<a name="line-961"></a><span class='hs-cpp'>#if __GLASGOW_HASKELL__ >= 700</span>
<a name="line-962"></a><span class='hs-comment'>{-# INLINABLE lookupInArray #-}</span>
<a name="line-963"></a><span class='hs-cpp'>#endif</span>
<a name="line-964"></a>
<a name="line-965"></a><a name="indexOf"></a><span class='hs-comment'>-- | /O(n)/ Lookup the value associated with the given key in this</span>
<a name="line-966"></a><span class='hs-comment'>-- array. Returns 'Nothing' if the key wasn't found.</span>
<a name="line-967"></a><span class='hs-definition'>indexOf</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Eq</span> <span class='hs-varid'>k</span> <span class='hs-keyglyph'>=></span> <span class='hs-varid'>k</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-conid'>Array</span> <span class='hs-layout'>(</span><span class='hs-conid'>Leaf</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Maybe</span> <span class='hs-conid'>Int</span>
<a name="line-968"></a><span class='hs-definition'>indexOf</span> <span class='hs-varid'>k0</span> <span class='hs-varid'>ary0</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>go</span> <span class='hs-varid'>k0</span> <span class='hs-varid'>ary0</span> <span class='hs-num'>0</span> <span class='hs-layout'>(</span><span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>length</span> <span class='hs-varid'>ary0</span><span class='hs-layout'>)</span>
<a name="line-969"></a> <span class='hs-keyword'>where</span>
<a name="line-970"></a> <span class='hs-varid'>go</span> <span class='hs-varop'>!</span><span class='hs-varid'>k</span> <span class='hs-varop'>!</span><span class='hs-varid'>ary</span> <span class='hs-varop'>!</span><span class='hs-varid'>i</span> <span class='hs-varop'>!</span><span class='hs-varid'>n</span>
<a name="line-971"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>i</span> <span class='hs-varop'>>=</span> <span class='hs-varid'>n</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Nothing</span>
<a name="line-972"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>index</span> <span class='hs-varid'>ary</span> <span class='hs-varid'>i</span> <span class='hs-keyword'>of</span>
<a name="line-973"></a> <span class='hs-layout'>(</span><span class='hs-conid'>L</span> <span class='hs-varid'>kx</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span>
<a name="line-974"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>k</span> <span class='hs-varop'>==</span> <span class='hs-varid'>kx</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Just</span> <span class='hs-varid'>i</span>
<a name="line-975"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>go</span> <span class='hs-varid'>k</span> <span class='hs-varid'>ary</span> <span class='hs-layout'>(</span><span class='hs-varid'>i</span><span class='hs-varop'>+</span><span class='hs-num'>1</span><span class='hs-layout'>)</span> <span class='hs-varid'>n</span>
<a name="line-976"></a><span class='hs-cpp'>#if __GLASGOW_HASKELL__ >= 700</span>
<a name="line-977"></a><span class='hs-comment'>{-# INLINABLE indexOf #-}</span>
<a name="line-978"></a><span class='hs-cpp'>#endif</span>
<a name="line-979"></a>
<a name="line-980"></a><a name="updateWith"></a><span class='hs-definition'>updateWith</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Eq</span> <span class='hs-varid'>k</span> <span class='hs-keyglyph'>=></span> <span class='hs-layout'>(</span><span class='hs-varid'>v</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>k</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-conid'>Array</span> <span class='hs-layout'>(</span><span class='hs-conid'>Leaf</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-conid'>Array</span> <span class='hs-layout'>(</span><span class='hs-conid'>Leaf</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span>
<a name="line-981"></a><span class='hs-definition'>updateWith</span> <span class='hs-varid'>f</span> <span class='hs-varid'>k0</span> <span class='hs-varid'>ary0</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>go</span> <span class='hs-varid'>k0</span> <span class='hs-varid'>ary0</span> <span class='hs-num'>0</span> <span class='hs-layout'>(</span><span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>length</span> <span class='hs-varid'>ary0</span><span class='hs-layout'>)</span>
<a name="line-982"></a> <span class='hs-keyword'>where</span>
<a name="line-983"></a> <span class='hs-varid'>go</span> <span class='hs-varop'>!</span><span class='hs-varid'>k</span> <span class='hs-varop'>!</span><span class='hs-varid'>ary</span> <span class='hs-varop'>!</span><span class='hs-varid'>i</span> <span class='hs-varop'>!</span><span class='hs-varid'>n</span>
<a name="line-984"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>i</span> <span class='hs-varop'>>=</span> <span class='hs-varid'>n</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>ary</span>
<a name="line-985"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>index</span> <span class='hs-varid'>ary</span> <span class='hs-varid'>i</span> <span class='hs-keyword'>of</span>
<a name="line-986"></a> <span class='hs-layout'>(</span><span class='hs-conid'>L</span> <span class='hs-varid'>kx</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>k</span> <span class='hs-varop'>==</span> <span class='hs-varid'>kx</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>update</span> <span class='hs-varid'>ary</span> <span class='hs-varid'>i</span> <span class='hs-layout'>(</span><span class='hs-conid'>L</span> <span class='hs-varid'>k</span> <span class='hs-layout'>(</span><span class='hs-varid'>f</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-987"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>go</span> <span class='hs-varid'>k</span> <span class='hs-varid'>ary</span> <span class='hs-layout'>(</span><span class='hs-varid'>i</span><span class='hs-varop'>+</span><span class='hs-num'>1</span><span class='hs-layout'>)</span> <span class='hs-varid'>n</span>
<a name="line-988"></a><span class='hs-cpp'>#if __GLASGOW_HASKELL__ >= 700</span>
<a name="line-989"></a><span class='hs-comment'>{-# INLINABLE updateWith #-}</span>
<a name="line-990"></a><span class='hs-cpp'>#endif</span>
<a name="line-991"></a>
<a name="line-992"></a><a name="updateOrSnocWith"></a><span class='hs-definition'>updateOrSnocWith</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Eq</span> <span class='hs-varid'>k</span> <span class='hs-keyglyph'>=></span> <span class='hs-layout'>(</span><span class='hs-varid'>v</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>k</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-conid'>Array</span> <span class='hs-layout'>(</span><span class='hs-conid'>Leaf</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span>
<a name="line-993"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-conid'>Array</span> <span class='hs-layout'>(</span><span class='hs-conid'>Leaf</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span>
<a name="line-994"></a><span class='hs-definition'>updateOrSnocWith</span> <span class='hs-varid'>f</span> <span class='hs-varid'>k0</span> <span class='hs-varid'>v0</span> <span class='hs-varid'>ary0</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>go</span> <span class='hs-varid'>k0</span> <span class='hs-varid'>v0</span> <span class='hs-varid'>ary0</span> <span class='hs-num'>0</span> <span class='hs-layout'>(</span><span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>length</span> <span class='hs-varid'>ary0</span><span class='hs-layout'>)</span>
<a name="line-995"></a> <span class='hs-keyword'>where</span>
<a name="line-996"></a> <span class='hs-varid'>go</span> <span class='hs-varop'>!</span><span class='hs-varid'>k</span> <span class='hs-varid'>v</span> <span class='hs-varop'>!</span><span class='hs-varid'>ary</span> <span class='hs-varop'>!</span><span class='hs-varid'>i</span> <span class='hs-varop'>!</span><span class='hs-varid'>n</span>
<a name="line-997"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>i</span> <span class='hs-varop'>>=</span> <span class='hs-varid'>n</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>run</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span>
<a name="line-998"></a> <span class='hs-comment'>-- Not found, append to the end.</span>
<a name="line-999"></a> <span class='hs-varid'>mary</span> <span class='hs-keyglyph'><-</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>new_</span> <span class='hs-layout'>(</span><span class='hs-varid'>n</span> <span class='hs-varop'>+</span> <span class='hs-num'>1</span><span class='hs-layout'>)</span>
<a name="line-1000"></a> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>copy</span> <span class='hs-varid'>ary</span> <span class='hs-num'>0</span> <span class='hs-varid'>mary</span> <span class='hs-num'>0</span> <span class='hs-varid'>n</span>
<a name="line-1001"></a> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>write</span> <span class='hs-varid'>mary</span> <span class='hs-varid'>n</span> <span class='hs-layout'>(</span><span class='hs-conid'>L</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span>
<a name="line-1002"></a> <span class='hs-varid'>return</span> <span class='hs-varid'>mary</span>
<a name="line-1003"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>index</span> <span class='hs-varid'>ary</span> <span class='hs-varid'>i</span> <span class='hs-keyword'>of</span>
<a name="line-1004"></a> <span class='hs-layout'>(</span><span class='hs-conid'>L</span> <span class='hs-varid'>kx</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>k</span> <span class='hs-varop'>==</span> <span class='hs-varid'>kx</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>update</span> <span class='hs-varid'>ary</span> <span class='hs-varid'>i</span> <span class='hs-layout'>(</span><span class='hs-conid'>L</span> <span class='hs-varid'>k</span> <span class='hs-layout'>(</span><span class='hs-varid'>f</span> <span class='hs-varid'>v</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-1005"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>go</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span> <span class='hs-varid'>ary</span> <span class='hs-layout'>(</span><span class='hs-varid'>i</span><span class='hs-varop'>+</span><span class='hs-num'>1</span><span class='hs-layout'>)</span> <span class='hs-varid'>n</span>
<a name="line-1006"></a><span class='hs-cpp'>#if __GLASGOW_HASKELL__ >= 700</span>
<a name="line-1007"></a><span class='hs-comment'>{-# INLINABLE updateOrSnocWith #-}</span>
<a name="line-1008"></a><span class='hs-cpp'>#endif</span>
<a name="line-1009"></a>
<a name="line-1010"></a><a name="updateOrConcatWith"></a><span class='hs-definition'>updateOrConcatWith</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Eq</span> <span class='hs-varid'>k</span> <span class='hs-keyglyph'>=></span> <span class='hs-layout'>(</span><span class='hs-varid'>v</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-conid'>Array</span> <span class='hs-layout'>(</span><span class='hs-conid'>Leaf</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-conid'>Array</span> <span class='hs-layout'>(</span><span class='hs-conid'>Leaf</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-conid'>Array</span> <span class='hs-layout'>(</span><span class='hs-conid'>Leaf</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span>
<a name="line-1011"></a><span class='hs-definition'>updateOrConcatWith</span> <span class='hs-varid'>f</span> <span class='hs-varid'>ary1</span> <span class='hs-varid'>ary2</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>run</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span>
<a name="line-1012"></a> <span class='hs-comment'>-- first: look up the position of each element of ary2 in ary1</span>
<a name="line-1013"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>indices</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>map</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-layout'>(</span><span class='hs-conid'>L</span> <span class='hs-varid'>k</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>indexOf</span> <span class='hs-varid'>k</span> <span class='hs-varid'>ary1</span><span class='hs-layout'>)</span> <span class='hs-varid'>ary2</span>
<a name="line-1014"></a> <span class='hs-comment'>-- that tells us how large the overlap is:</span>
<a name="line-1015"></a> <span class='hs-comment'>-- count number of Nothing constructors</span>
<a name="line-1016"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>nOnly2</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>foldl'</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>n</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>maybe</span> <span class='hs-layout'>(</span><span class='hs-varid'>n</span><span class='hs-varop'>+</span><span class='hs-num'>1</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>const</span> <span class='hs-varid'>n</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-num'>0</span> <span class='hs-varid'>indices</span>
<a name="line-1017"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>n1</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>length</span> <span class='hs-varid'>ary1</span>
<a name="line-1018"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>n2</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>length</span> <span class='hs-varid'>ary2</span>
<a name="line-1019"></a> <span class='hs-comment'>-- copy over all elements from ary1</span>
<a name="line-1020"></a> <span class='hs-varid'>mary</span> <span class='hs-keyglyph'><-</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>new_</span> <span class='hs-layout'>(</span><span class='hs-varid'>n1</span> <span class='hs-varop'>+</span> <span class='hs-varid'>nOnly2</span><span class='hs-layout'>)</span>
<a name="line-1021"></a> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>copy</span> <span class='hs-varid'>ary1</span> <span class='hs-num'>0</span> <span class='hs-varid'>mary</span> <span class='hs-num'>0</span> <span class='hs-varid'>n1</span>
<a name="line-1022"></a> <span class='hs-comment'>-- append or update all elements from ary2</span>
<a name="line-1023"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>go</span> <span class='hs-varop'>!</span><span class='hs-varid'>iEnd</span> <span class='hs-varop'>!</span><span class='hs-varid'>i2</span>
<a name="line-1024"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>i2</span> <span class='hs-varop'>>=</span> <span class='hs-varid'>n2</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>return</span> <span class='hs-conid'>()</span>
<a name="line-1025"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>index</span> <span class='hs-varid'>indices</span> <span class='hs-varid'>i2</span> <span class='hs-keyword'>of</span>
<a name="line-1026"></a> <span class='hs-conid'>Just</span> <span class='hs-varid'>i1</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span> <span class='hs-comment'>-- key occurs in both arrays, store combination in position i1</span>
<a name="line-1027"></a> <span class='hs-conid'>L</span> <span class='hs-varid'>k</span> <span class='hs-varid'>v1</span> <span class='hs-keyglyph'><-</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>indexM</span> <span class='hs-varid'>ary1</span> <span class='hs-varid'>i1</span>
<a name="line-1028"></a> <span class='hs-conid'>L</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>v2</span> <span class='hs-keyglyph'><-</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>indexM</span> <span class='hs-varid'>ary2</span> <span class='hs-varid'>i2</span>
<a name="line-1029"></a> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>write</span> <span class='hs-varid'>mary</span> <span class='hs-varid'>i1</span> <span class='hs-layout'>(</span><span class='hs-conid'>L</span> <span class='hs-varid'>k</span> <span class='hs-layout'>(</span><span class='hs-varid'>f</span> <span class='hs-varid'>v1</span> <span class='hs-varid'>v2</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-1030"></a> <span class='hs-varid'>go</span> <span class='hs-varid'>iEnd</span> <span class='hs-layout'>(</span><span class='hs-varid'>i2</span><span class='hs-varop'>+</span><span class='hs-num'>1</span><span class='hs-layout'>)</span>
<a name="line-1031"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span> <span class='hs-comment'>-- key is only in ary2, append to end</span>
<a name="line-1032"></a> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>write</span> <span class='hs-varid'>mary</span> <span class='hs-varid'>iEnd</span> <span class='hs-varop'>=<<</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>indexM</span> <span class='hs-varid'>ary2</span> <span class='hs-varid'>i2</span>
<a name="line-1033"></a> <span class='hs-varid'>go</span> <span class='hs-layout'>(</span><span class='hs-varid'>iEnd</span><span class='hs-varop'>+</span><span class='hs-num'>1</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>i2</span><span class='hs-varop'>+</span><span class='hs-num'>1</span><span class='hs-layout'>)</span>
<a name="line-1034"></a> <span class='hs-varid'>go</span> <span class='hs-varid'>n1</span> <span class='hs-num'>0</span>
<a name="line-1035"></a> <span class='hs-varid'>return</span> <span class='hs-varid'>mary</span>
<a name="line-1036"></a><span class='hs-cpp'>#if __GLASGOW_HASKELL__ >= 700</span>
<a name="line-1037"></a><span class='hs-comment'>{-# INLINABLE updateOrConcatWith #-}</span>
<a name="line-1038"></a><span class='hs-cpp'>#endif</span>
<a name="line-1039"></a>
<a name="line-1040"></a><span class='hs-comment'>------------------------------------------------------------------------</span>
<a name="line-1041"></a><span class='hs-comment'>-- Manually unrolled loops</span>
<a name="line-1042"></a>
<a name="line-1043"></a><a name="update16"></a><span class='hs-comment'>-- | /O(n)/ Update the element at the given position in this array.</span>
<a name="line-1044"></a><span class='hs-definition'>update16</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-conid'>Array</span> <span class='hs-varid'>e</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Int</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>e</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-conid'>Array</span> <span class='hs-varid'>e</span>
<a name="line-1045"></a><span class='hs-definition'>update16</span> <span class='hs-varid'>ary</span> <span class='hs-varid'>idx</span> <span class='hs-varid'>b</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>runST</span> <span class='hs-layout'>(</span><span class='hs-varid'>update16M</span> <span class='hs-varid'>ary</span> <span class='hs-varid'>idx</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span>
<a name="line-1046"></a><span class='hs-comment'>{-# INLINE update16 #-}</span>
<a name="line-1047"></a>
<a name="line-1048"></a><a name="update16M"></a><span class='hs-comment'>-- | /O(n)/ Update the element at the given position in this array.</span>
<a name="line-1049"></a><span class='hs-definition'>update16M</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-conid'>Array</span> <span class='hs-varid'>e</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Int</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>e</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ST</span> <span class='hs-varid'>s</span> <span class='hs-layout'>(</span><span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-conid'>Array</span> <span class='hs-varid'>e</span><span class='hs-layout'>)</span>
<a name="line-1050"></a><span class='hs-definition'>update16M</span> <span class='hs-varid'>ary</span> <span class='hs-varid'>idx</span> <span class='hs-varid'>b</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-1051"></a> <span class='hs-varid'>mary</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>clone16</span> <span class='hs-varid'>ary</span>
<a name="line-1052"></a> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>write</span> <span class='hs-varid'>mary</span> <span class='hs-varid'>idx</span> <span class='hs-varid'>b</span>
<a name="line-1053"></a> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>unsafeFreeze</span> <span class='hs-varid'>mary</span>
<a name="line-1054"></a><span class='hs-comment'>{-# INLINE update16M #-}</span>
<a name="line-1055"></a>
<a name="line-1056"></a><a name="update16With'"></a><span class='hs-comment'>-- | /O(n)/ Update the element at the given position in this array, by applying a function to it.</span>
<a name="line-1057"></a><span class='hs-definition'>update16With'</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-conid'>Array</span> <span class='hs-varid'>e</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Int</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-varid'>e</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>e</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-conid'>Array</span> <span class='hs-varid'>e</span>
<a name="line-1058"></a><span class='hs-definition'>update16With'</span> <span class='hs-varid'>ary</span> <span class='hs-varid'>idx</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>update16</span> <span class='hs-varid'>ary</span> <span class='hs-varid'>idx</span> <span class='hs-varop'>$!</span> <span class='hs-varid'>f</span> <span class='hs-layout'>(</span><span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>index</span> <span class='hs-varid'>ary</span> <span class='hs-varid'>idx</span><span class='hs-layout'>)</span>
<a name="line-1059"></a><span class='hs-comment'>{-# INLINE update16With' #-}</span>
<a name="line-1060"></a>
<a name="line-1061"></a><a name="clone16"></a><span class='hs-comment'>-- | Unsafely clone an array of 16 elements. The length of the input</span>
<a name="line-1062"></a><span class='hs-comment'>-- array is not checked.</span>
<a name="line-1063"></a><span class='hs-definition'>clone16</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-conid'>Array</span> <span class='hs-varid'>e</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ST</span> <span class='hs-varid'>s</span> <span class='hs-layout'>(</span><span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-conid'>MArray</span> <span class='hs-varid'>s</span> <span class='hs-varid'>e</span><span class='hs-layout'>)</span>
<a name="line-1064"></a><span class='hs-definition'>clone16</span> <span class='hs-varid'>ary</span> <span class='hs-keyglyph'>=</span>
<a name="line-1065"></a><span class='hs-cpp'>#if __GLASGOW_HASKELL__ >= 702</span>
<a name="line-1066"></a> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>thaw</span> <span class='hs-varid'>ary</span> <span class='hs-num'>0</span> <span class='hs-num'>16</span>
<a name="line-1067"></a><span class='hs-cpp'>#else</span>
<a name="line-1068"></a> <span class='hs-keyword'>do</span> <span class='hs-varid'>mary</span> <span class='hs-keyglyph'><-</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>new_</span> <span class='hs-num'>16</span>
<a name="line-1069"></a> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>indexM</span> <span class='hs-varid'>ary</span> <span class='hs-num'>0</span> <span class='hs-varop'>>>=</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>write</span> <span class='hs-varid'>mary</span> <span class='hs-num'>0</span>
<a name="line-1070"></a> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>indexM</span> <span class='hs-varid'>ary</span> <span class='hs-num'>1</span> <span class='hs-varop'>>>=</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>write</span> <span class='hs-varid'>mary</span> <span class='hs-num'>1</span>
<a name="line-1071"></a> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>indexM</span> <span class='hs-varid'>ary</span> <span class='hs-num'>2</span> <span class='hs-varop'>>>=</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>write</span> <span class='hs-varid'>mary</span> <span class='hs-num'>2</span>
<a name="line-1072"></a> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>indexM</span> <span class='hs-varid'>ary</span> <span class='hs-num'>3</span> <span class='hs-varop'>>>=</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>write</span> <span class='hs-varid'>mary</span> <span class='hs-num'>3</span>
<a name="line-1073"></a> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>indexM</span> <span class='hs-varid'>ary</span> <span class='hs-num'>4</span> <span class='hs-varop'>>>=</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>write</span> <span class='hs-varid'>mary</span> <span class='hs-num'>4</span>
<a name="line-1074"></a> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>indexM</span> <span class='hs-varid'>ary</span> <span class='hs-num'>5</span> <span class='hs-varop'>>>=</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>write</span> <span class='hs-varid'>mary</span> <span class='hs-num'>5</span>
<a name="line-1075"></a> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>indexM</span> <span class='hs-varid'>ary</span> <span class='hs-num'>6</span> <span class='hs-varop'>>>=</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>write</span> <span class='hs-varid'>mary</span> <span class='hs-num'>6</span>
<a name="line-1076"></a> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>indexM</span> <span class='hs-varid'>ary</span> <span class='hs-num'>7</span> <span class='hs-varop'>>>=</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>write</span> <span class='hs-varid'>mary</span> <span class='hs-num'>7</span>
<a name="line-1077"></a> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>indexM</span> <span class='hs-varid'>ary</span> <span class='hs-num'>8</span> <span class='hs-varop'>>>=</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>write</span> <span class='hs-varid'>mary</span> <span class='hs-num'>8</span>
<a name="line-1078"></a> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>indexM</span> <span class='hs-varid'>ary</span> <span class='hs-num'>9</span> <span class='hs-varop'>>>=</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>write</span> <span class='hs-varid'>mary</span> <span class='hs-num'>9</span>
<a name="line-1079"></a> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>indexM</span> <span class='hs-varid'>ary</span> <span class='hs-num'>10</span> <span class='hs-varop'>>>=</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>write</span> <span class='hs-varid'>mary</span> <span class='hs-num'>10</span>
<a name="line-1080"></a> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>indexM</span> <span class='hs-varid'>ary</span> <span class='hs-num'>11</span> <span class='hs-varop'>>>=</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>write</span> <span class='hs-varid'>mary</span> <span class='hs-num'>11</span>
<a name="line-1081"></a> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>indexM</span> <span class='hs-varid'>ary</span> <span class='hs-num'>12</span> <span class='hs-varop'>>>=</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>write</span> <span class='hs-varid'>mary</span> <span class='hs-num'>12</span>
<a name="line-1082"></a> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>indexM</span> <span class='hs-varid'>ary</span> <span class='hs-num'>13</span> <span class='hs-varop'>>>=</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>write</span> <span class='hs-varid'>mary</span> <span class='hs-num'>13</span>
<a name="line-1083"></a> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>indexM</span> <span class='hs-varid'>ary</span> <span class='hs-num'>14</span> <span class='hs-varop'>>>=</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>write</span> <span class='hs-varid'>mary</span> <span class='hs-num'>14</span>
<a name="line-1084"></a> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>indexM</span> <span class='hs-varid'>ary</span> <span class='hs-num'>15</span> <span class='hs-varop'>>>=</span> <span class='hs-conid'>A</span><span class='hs-varop'>.</span><span class='hs-varid'>write</span> <span class='hs-varid'>mary</span> <span class='hs-num'>15</span>
<a name="line-1085"></a> <span class='hs-varid'>return</span> <span class='hs-varid'>mary</span>
<a name="line-1086"></a><span class='hs-cpp'>#endif</span>
<a name="line-1087"></a>
<a name="line-1088"></a><span class='hs-comment'>------------------------------------------------------------------------</span>
<a name="line-1089"></a><span class='hs-comment'>-- Bit twiddling</span>
<a name="line-1090"></a>
<a name="line-1091"></a><a name="bitsPerSubkey"></a><span class='hs-definition'>bitsPerSubkey</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Int</span>
<a name="line-1092"></a><span class='hs-definition'>bitsPerSubkey</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>4</span>
<a name="line-1093"></a>
<a name="line-1094"></a><a name="maxChildren"></a><span class='hs-definition'>maxChildren</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Int</span>
<a name="line-1095"></a><span class='hs-definition'>maxChildren</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fromIntegral</span> <span class='hs-varop'>$</span> <span class='hs-num'>1</span> <span class='hs-varop'>`unsafeShiftL`</span> <span class='hs-varid'>bitsPerSubkey</span>
<a name="line-1096"></a>
<a name="line-1097"></a><a name="subkeyMask"></a><span class='hs-definition'>subkeyMask</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Bitmap</span>
<a name="line-1098"></a><span class='hs-definition'>subkeyMask</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>1</span> <span class='hs-varop'>`unsafeShiftL`</span> <span class='hs-varid'>bitsPerSubkey</span> <span class='hs-comment'>-</span> <span class='hs-num'>1</span>
<a name="line-1099"></a>
<a name="line-1100"></a><a name="sparseIndex"></a><span class='hs-definition'>sparseIndex</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Bitmap</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Bitmap</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Int</span>
<a name="line-1101"></a><span class='hs-definition'>sparseIndex</span> <span class='hs-varid'>b</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>popCount</span> <span class='hs-layout'>(</span><span class='hs-varid'>b</span> <span class='hs-varop'>.&.</span> <span class='hs-layout'>(</span><span class='hs-varid'>m</span> <span class='hs-comment'>-</span> <span class='hs-num'>1</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-1102"></a>
<a name="line-1103"></a><a name="mask"></a><span class='hs-definition'>mask</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Word</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Shift</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Bitmap</span>
<a name="line-1104"></a><span class='hs-definition'>mask</span> <span class='hs-varid'>w</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>1</span> <span class='hs-varop'>`unsafeShiftL`</span> <span class='hs-varid'>index</span> <span class='hs-varid'>w</span> <span class='hs-varid'>s</span>
<a name="line-1105"></a><span class='hs-comment'>{-# INLINE mask #-}</span>
<a name="line-1106"></a>
<a name="line-1107"></a><a name="index"></a><span class='hs-comment'>-- | Mask out the 'bitsPerSubkey' bits used for indexing at this level</span>
<a name="line-1108"></a><span class='hs-comment'>-- of the tree.</span>
<a name="line-1109"></a><span class='hs-definition'>index</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Hash</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Shift</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Int</span>
<a name="line-1110"></a><span class='hs-definition'>index</span> <span class='hs-varid'>w</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fromIntegral</span> <span class='hs-varop'>$</span> <span class='hs-layout'>(</span><span class='hs-varid'>unsafeShiftR</span> <span class='hs-varid'>w</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span> <span class='hs-varop'>.&.</span> <span class='hs-varid'>subkeyMask</span>
<a name="line-1111"></a><span class='hs-comment'>{-# INLINE index #-}</span>
<a name="line-1112"></a>
<a name="line-1113"></a><a name="fullNodeMask"></a><span class='hs-comment'>-- | A bitmask with the 'bitsPerSubkey' least significant bits set.</span>
<a name="line-1114"></a><span class='hs-definition'>fullNodeMask</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Bitmap</span>
<a name="line-1115"></a><span class='hs-definition'>fullNodeMask</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>complement</span> <span class='hs-layout'>(</span><span class='hs-varid'>complement</span> <span class='hs-num'>0</span> <span class='hs-varop'>`unsafeShiftL`</span> <span class='hs-varid'>maxChildren</span><span class='hs-layout'>)</span>
<a name="line-1116"></a><span class='hs-comment'>{-# INLINE fullNodeMask #-}</span>
<a name="line-1117"></a>
<a name="line-1118"></a><a name="ptrEq"></a><span class='hs-comment'>-- | Check if two the two arguments are the same value. N.B. This</span>
<a name="line-1119"></a><span class='hs-comment'>-- function might give false negatives (due to GC moving objects.)</span>
<a name="line-1120"></a><span class='hs-definition'>ptrEq</span> <span class='hs-keyglyph'>::</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Bool</span>
<a name="line-1121"></a><span class='hs-cpp'>#if defined(__GLASGOW_HASKELL__)</span>
<a name="line-1122"></a><span class='hs-definition'>ptrEq</span> <span class='hs-varid'>x</span> <span class='hs-varid'>y</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>reallyUnsafePtrEquality</span><span class='hs-cpp'>#</span> <span class='hs-varid'>x</span> <span class='hs-varid'>y</span> <span class='hs-varop'>==#</span> <span class='hs-num'>1</span><span class='hs-cpp'>#</span>
<a name="line-1123"></a><span class='hs-cpp'>#else</span>
<a name="line-1124"></a><span class='hs-definition'>ptrEq</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>False</span>
<a name="line-1125"></a><span class='hs-cpp'>#endif</span>
<a name="line-1126"></a><span class='hs-comment'>{-# INLINE ptrEq #-}</span>
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