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<pre><a name="line-1"></a><span class='hs-comment'>{-# LANGUAGE CPP #-}</span>
<a name="line-2"></a><span class='hs-comment'>{-# LANGUAGE Rank2Types #-}</span>
<a name="line-3"></a><span class='hs-comment'>{-# LANGUAGE TypeFamilies #-}</span>
<a name="line-4"></a><span class='hs-comment'>{-# LANGUAGE FlexibleContexts #-}</span>
<a name="line-5"></a><span class='hs-comment'>{-# LANGUAGE FlexibleInstances #-}</span>
<a name="line-6"></a><span class='hs-comment'>{-# LANGUAGE ScopedTypeVariables #-}</span>
<a name="line-7"></a><span class='hs-comment'>{-# LANGUAGE MultiParamTypeClasses #-}</span>
<a name="line-8"></a>
<a name="line-9"></a><span class='hs-cpp'>#if __GLASGOW_HASKELL__ < 708</span>
<a name="line-10"></a><span class='hs-comment'>{-# LANGUAGE Trustworthy #-}</span>
<a name="line-11"></a><span class='hs-cpp'>#endif</span>
<a name="line-12"></a>
<a name="line-13"></a><span class='hs-comment'>-----------------------------------------------------------------------------</span>
<a name="line-14"></a><span class='hs-comment'>-- |</span>
<a name="line-15"></a><span class='hs-comment'>-- Module : Control.Lens.Internal.Indexed</span>
<a name="line-16"></a><span class='hs-comment'>-- Copyright : (C) 2012-2016 Edward Kmett</span>
<a name="line-17"></a><span class='hs-comment'>-- License : BSD-style (see the file LICENSE)</span>
<a name="line-18"></a><span class='hs-comment'>-- Maintainer : Edward Kmett <ekmett@gmail.com></span>
<a name="line-19"></a><span class='hs-comment'>-- Stability : experimental</span>
<a name="line-20"></a><span class='hs-comment'>-- Portability : non-portable</span>
<a name="line-21"></a><span class='hs-comment'>--</span>
<a name="line-22"></a><span class='hs-comment'>-- Internal implementation details for 'Indexed' lens-likes</span>
<a name="line-23"></a><span class='hs-comment'>----------------------------------------------------------------------------</span>
<a name="line-24"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Lens</span><span class='hs-varop'>.</span><span class='hs-conid'>Internal</span><span class='hs-varop'>.</span><span class='hs-conid'>Indexed</span>
<a name="line-25"></a> <span class='hs-layout'>(</span>
<a name="line-26"></a> <span class='hs-comment'>-- * An Indexed Profunctor</span>
<a name="line-27"></a> <span class='hs-conid'>Indexed</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span>
<a name="line-28"></a> <span class='hs-comment'>-- * Classes</span>
<a name="line-29"></a> <span class='hs-layout'>,</span> <span class='hs-conid'>Conjoined</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span>
<a name="line-30"></a> <span class='hs-layout'>,</span> <span class='hs-conid'>Indexable</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span>
<a name="line-31"></a> <span class='hs-comment'>-- * Indexing</span>
<a name="line-32"></a> <span class='hs-layout'>,</span> <span class='hs-conid'>Indexing</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span>
<a name="line-33"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>indexing</span>
<a name="line-34"></a> <span class='hs-comment'>-- * 64-bit Indexing</span>
<a name="line-35"></a> <span class='hs-layout'>,</span> <span class='hs-conid'>Indexing64</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span>
<a name="line-36"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>indexing64</span>
<a name="line-37"></a> <span class='hs-comment'>-- * Converting to Folds</span>
<a name="line-38"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>withIndex</span>
<a name="line-39"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>asIndex</span>
<a name="line-40"></a> <span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-41"></a>
<a name="line-42"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Applicative</span>
<a name="line-43"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Arrow</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>Arrow</span>
<a name="line-44"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Category</span>
<a name="line-45"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Comonad</span>
<a name="line-46"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Lens</span><span class='hs-varop'>.</span><span class='hs-conid'>Internal</span><span class='hs-varop'>.</span><span class='hs-conid'>Instances</span> <span class='hs-conid'>()</span>
<a name="line-47"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Monad</span>
<a name="line-48"></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'>Fix</span>
<a name="line-49"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Distributive</span>
<a name="line-50"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Functor</span><span class='hs-varop'>.</span><span class='hs-conid'>Bind</span>
<a name="line-51"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Functor</span><span class='hs-varop'>.</span><span class='hs-conid'>Contravariant</span>
<a name="line-52"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Int</span>
<a name="line-53"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Profunctor</span><span class='hs-varop'>.</span><span class='hs-conid'>Closed</span>
<a name="line-54"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Profunctor</span>
<a name="line-55"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Profunctor</span><span class='hs-varop'>.</span><span class='hs-conid'>Rep</span>
<a name="line-56"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Profunctor</span><span class='hs-varop'>.</span><span class='hs-conid'>Sieve</span>
<a name="line-57"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Traversable</span>
<a name="line-58"></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-layout'>(</span><span class='hs-varop'>.</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span><span class='hs-varid'>id</span><span class='hs-layout'>)</span>
<a name="line-59"></a><span class='hs-cpp'>#ifndef SAFE</span>
<a name="line-60"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Profunctor</span><span class='hs-varop'>.</span><span class='hs-conid'>Unsafe</span>
<a name="line-61"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Lens</span><span class='hs-varop'>.</span><span class='hs-conid'>Internal</span><span class='hs-varop'>.</span><span class='hs-conid'>Coerce</span>
<a name="line-62"></a><span class='hs-cpp'>#endif</span>
<a name="line-63"></a>
<a name="line-64"></a><span class='hs-comment'>-- $setup</span>
<a name="line-65"></a><span class='hs-comment'>-- >>> :set -XNoOverloadedStrings</span>
<a name="line-66"></a><span class='hs-comment'>-- >>> import Control.Lens</span>
<a name="line-67"></a><span class='hs-comment'>-- >>> import Numeric.Lens</span>
<a name="line-68"></a><span class='hs-comment'>--</span>
<a name="line-69"></a><span class='hs-comment'>------------------------------------------------------------------------------</span>
<a name="line-70"></a><span class='hs-comment'>-- Conjoined</span>
<a name="line-71"></a><span class='hs-comment'>------------------------------------------------------------------------------</span>
<a name="line-72"></a>
<a name="line-73"></a><a name="Conjoined"></a><span class='hs-comment'>-- | This is a 'Profunctor' that is both 'Corepresentable' by @f@ and 'Representable' by @g@ such</span>
<a name="line-74"></a><a name="Conjoined"></a><span class='hs-comment'>-- that @f@ is left adjoint to @g@. From this you can derive a lot of structure due</span>
<a name="line-75"></a><a name="Conjoined"></a><span class='hs-comment'>-- to the preservation of limits and colimits.</span>
<a name="line-76"></a><a name="Conjoined"></a><span class='hs-keyword'>class</span>
<a name="line-77"></a> <span class='hs-layout'>(</span> <span class='hs-conid'>Choice</span> <span class='hs-varid'>p</span><span class='hs-layout'>,</span> <span class='hs-conid'>Corepresentable</span> <span class='hs-varid'>p</span><span class='hs-layout'>,</span> <span class='hs-conid'>Comonad</span> <span class='hs-layout'>(</span><span class='hs-conid'>Corep</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-conid'>Traversable</span> <span class='hs-layout'>(</span><span class='hs-conid'>Corep</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span>
<a name="line-78"></a> <span class='hs-layout'>,</span> <span class='hs-conid'>Strong</span> <span class='hs-varid'>p</span><span class='hs-layout'>,</span> <span class='hs-conid'>Representable</span> <span class='hs-varid'>p</span><span class='hs-layout'>,</span> <span class='hs-conid'>Monad</span> <span class='hs-layout'>(</span><span class='hs-conid'>Rep</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-conid'>MonadFix</span> <span class='hs-layout'>(</span><span class='hs-conid'>Rep</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-conid'>Distributive</span> <span class='hs-layout'>(</span><span class='hs-conid'>Rep</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span>
<a name="line-79"></a> <span class='hs-layout'>,</span> <span class='hs-conid'>Costrong</span> <span class='hs-varid'>p</span><span class='hs-layout'>,</span> <span class='hs-conid'>ArrowLoop</span> <span class='hs-varid'>p</span><span class='hs-layout'>,</span> <span class='hs-conid'>ArrowApply</span> <span class='hs-varid'>p</span><span class='hs-layout'>,</span> <span class='hs-conid'>ArrowChoice</span> <span class='hs-varid'>p</span><span class='hs-layout'>,</span> <span class='hs-conid'>Closed</span> <span class='hs-varid'>p</span>
<a name="line-80"></a> <span class='hs-layout'>)</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>Conjoined</span> <span class='hs-varid'>p</span> <span class='hs-keyword'>where</span>
<a name="line-81"></a>
<a name="line-82"></a> <span class='hs-comment'>-- | 'Conjoined' is strong enough to let us distribute every 'Conjoined'</span>
<a name="line-83"></a> <span class='hs-comment'>-- 'Profunctor' over every Haskell 'Functor'. This is effectively a</span>
<a name="line-84"></a> <span class='hs-comment'>-- generalization of 'fmap'.</span>
<a name="line-85"></a> <span class='hs-varid'>distrib</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Functor</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=></span> <span class='hs-varid'>p</span> <span class='hs-varid'>a</span> <span class='hs-varid'>b</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>p</span> <span class='hs-layout'>(</span><span class='hs-varid'>f</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>f</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span>
<a name="line-86"></a> <span class='hs-varid'>distrib</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>tabulate</span> <span class='hs-varop'>.</span> <span class='hs-varid'>collect</span> <span class='hs-varop'>.</span> <span class='hs-varid'>sieve</span>
<a name="line-87"></a> <span class='hs-comment'>{-# INLINE distrib #-}</span>
<a name="line-88"></a>
<a name="line-89"></a> <span class='hs-comment'>-- | This permits us to make a decision at an outermost point about whether or not we use an index.</span>
<a name="line-90"></a> <span class='hs-comment'>--</span>
<a name="line-91"></a> <span class='hs-comment'>-- Ideally any use of this function should be done in such a way so that you compute the same answer,</span>
<a name="line-92"></a> <span class='hs-comment'>-- but this cannot be enforced at the type level.</span>
<a name="line-93"></a> <span class='hs-varid'>conjoined</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-varid'>p</span> <span class='hs-keyglyph'>~</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>-></span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=></span> <span class='hs-varid'>q</span> <span class='hs-layout'>(</span><span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span> <span class='hs-varid'>r</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>q</span> <span class='hs-layout'>(</span><span class='hs-varid'>p</span> <span class='hs-varid'>a</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span> <span class='hs-varid'>r</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>q</span> <span class='hs-layout'>(</span><span class='hs-varid'>p</span> <span class='hs-varid'>a</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span> <span class='hs-varid'>r</span>
<a name="line-94"></a> <span class='hs-varid'>conjoined</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>r</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>r</span>
<a name="line-95"></a> <span class='hs-comment'>{-# INLINE conjoined #-}</span>
<a name="line-96"></a>
<a name="line-97"></a><a name="instance%20Conjoined%20(-%3e)"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Conjoined</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>-></span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-98"></a> <span class='hs-varid'>distrib</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fmap</span>
<a name="line-99"></a> <span class='hs-comment'>{-# INLINE distrib #-}</span>
<a name="line-100"></a> <span class='hs-varid'>conjoined</span> <span class='hs-varid'>l</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>l</span>
<a name="line-101"></a> <span class='hs-comment'>{-# INLINE conjoined #-}</span>
<a name="line-102"></a>
<a name="line-103"></a><span class='hs-comment'>----------------------------------------------------------------------------</span>
<a name="line-104"></a><span class='hs-comment'>-- Indexable</span>
<a name="line-105"></a><span class='hs-comment'>----------------------------------------------------------------------------</span>
<a name="line-106"></a>
<a name="line-107"></a><a name="Indexable"></a><span class='hs-comment'>-- | This class permits overloading of function application for things that</span>
<a name="line-108"></a><a name="Indexable"></a><span class='hs-comment'>-- also admit a notion of a key or index.</span>
<a name="line-109"></a><a name="Indexable"></a><span class='hs-keyword'>class</span> <span class='hs-conid'>Conjoined</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>Indexable</span> <span class='hs-varid'>i</span> <span class='hs-varid'>p</span> <span class='hs-keyword'>where</span>
<a name="line-110"></a> <span class='hs-comment'>-- | Build a function from an 'indexed' function.</span>
<a name="line-111"></a> <span class='hs-varid'>indexed</span> <span class='hs-keyglyph'>::</span> <span class='hs-varid'>p</span> <span class='hs-varid'>a</span> <span class='hs-varid'>b</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>i</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>b</span>
<a name="line-112"></a>
<a name="line-113"></a><a name="instance%20Indexable%20i%20(-%3e)"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Indexable</span> <span class='hs-varid'>i</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>-></span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-114"></a> <span class='hs-varid'>indexed</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>const</span>
<a name="line-115"></a> <span class='hs-comment'>{-# INLINE indexed #-}</span>
<a name="line-116"></a>
<a name="line-117"></a><span class='hs-comment'>-----------------------------------------------------------------------------</span>
<a name="line-118"></a><span class='hs-comment'>-- Indexed Internals</span>
<a name="line-119"></a><span class='hs-comment'>-----------------------------------------------------------------------------</span>
<a name="line-120"></a>
<a name="line-121"></a><a name="Indexed"></a><span class='hs-comment'>-- | A function with access to a index. This constructor may be useful when you need to store</span>
<a name="line-122"></a><a name="Indexed"></a><span class='hs-comment'>-- an 'Indexable' in a container to avoid @ImpredicativeTypes@.</span>
<a name="line-123"></a><a name="Indexed"></a><span class='hs-comment'>--</span>
<a name="line-124"></a><a name="Indexed"></a><span class='hs-comment'>-- @index :: Indexed i a b -> i -> a -> b@</span>
<a name="line-125"></a><a name="Indexed"></a><span class='hs-keyword'>newtype</span> <span class='hs-conid'>Indexed</span> <span class='hs-varid'>i</span> <span class='hs-varid'>a</span> <span class='hs-varid'>b</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Indexed</span> <span class='hs-layout'>{</span> <span class='hs-varid'>runIndexed</span> <span class='hs-keyglyph'>::</span> <span class='hs-varid'>i</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>b</span> <span class='hs-layout'>}</span>
<a name="line-126"></a>
<a name="line-127"></a><a name="instance%20Functor%20(Indexed%20i%20a)"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Functor</span> <span class='hs-layout'>(</span><span class='hs-conid'>Indexed</span> <span class='hs-varid'>i</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-128"></a> <span class='hs-varid'>fmap</span> <span class='hs-varid'>g</span> <span class='hs-layout'>(</span><span class='hs-conid'>Indexed</span> <span class='hs-varid'>f</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Indexed</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>i</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>g</span> <span class='hs-layout'>(</span><span class='hs-varid'>f</span> <span class='hs-varid'>i</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span>
<a name="line-129"></a> <span class='hs-comment'>{-# INLINE fmap #-}</span>
<a name="line-130"></a>
<a name="line-131"></a><a name="instance%20Apply%20(Indexed%20i%20a)"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Apply</span> <span class='hs-layout'>(</span><span class='hs-conid'>Indexed</span> <span class='hs-varid'>i</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-132"></a> <span class='hs-conid'>Indexed</span> <span class='hs-varid'>f</span> <span class='hs-varop'><.></span> <span class='hs-conid'>Indexed</span> <span class='hs-varid'>g</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Indexed</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>i</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>f</span> <span class='hs-varid'>i</span> <span class='hs-varid'>a</span> <span class='hs-layout'>(</span><span class='hs-varid'>g</span> <span class='hs-varid'>i</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span>
<a name="line-133"></a> <span class='hs-comment'>{-# INLINE (<.>) #-}</span>
<a name="line-134"></a>
<a name="line-135"></a><a name="instance%20Applicative%20(Indexed%20i%20a)"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Applicative</span> <span class='hs-layout'>(</span><span class='hs-conid'>Indexed</span> <span class='hs-varid'>i</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-136"></a> <span class='hs-varid'>pure</span> <span class='hs-varid'>b</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Indexed</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>b</span>
<a name="line-137"></a> <span class='hs-comment'>{-# INLINE pure #-}</span>
<a name="line-138"></a> <span class='hs-conid'>Indexed</span> <span class='hs-varid'>f</span> <span class='hs-varop'><*></span> <span class='hs-conid'>Indexed</span> <span class='hs-varid'>g</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Indexed</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>i</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>f</span> <span class='hs-varid'>i</span> <span class='hs-varid'>a</span> <span class='hs-layout'>(</span><span class='hs-varid'>g</span> <span class='hs-varid'>i</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span>
<a name="line-139"></a> <span class='hs-comment'>{-# INLINE (<*>) #-}</span>
<a name="line-140"></a>
<a name="line-141"></a><a name="instance%20Bind%20(Indexed%20i%20a)"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Bind</span> <span class='hs-layout'>(</span><span class='hs-conid'>Indexed</span> <span class='hs-varid'>i</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-142"></a> <span class='hs-conid'>Indexed</span> <span class='hs-varid'>f</span> <span class='hs-varop'>>>-</span> <span class='hs-varid'>k</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Indexed</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>i</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>runIndexed</span> <span class='hs-layout'>(</span><span class='hs-varid'>k</span> <span class='hs-layout'>(</span><span class='hs-varid'>f</span> <span class='hs-varid'>i</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-varid'>i</span> <span class='hs-varid'>a</span>
<a name="line-143"></a> <span class='hs-comment'>{-# INLINE (>>-) #-}</span>
<a name="line-144"></a>
<a name="line-145"></a><a name="instance%20Monad%20(Indexed%20i%20a)"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Monad</span> <span class='hs-layout'>(</span><span class='hs-conid'>Indexed</span> <span class='hs-varid'>i</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-146"></a> <span class='hs-varid'>return</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>pure</span>
<a name="line-147"></a> <span class='hs-comment'>{-# INLINE return #-}</span>
<a name="line-148"></a> <span class='hs-conid'>Indexed</span> <span class='hs-varid'>f</span> <span class='hs-varop'>>>=</span> <span class='hs-varid'>k</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Indexed</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>i</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>runIndexed</span> <span class='hs-layout'>(</span><span class='hs-varid'>k</span> <span class='hs-layout'>(</span><span class='hs-varid'>f</span> <span class='hs-varid'>i</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-varid'>i</span> <span class='hs-varid'>a</span>
<a name="line-149"></a> <span class='hs-comment'>{-# INLINE (>>=) #-}</span>
<a name="line-150"></a>
<a name="line-151"></a><a name="instance%20MonadFix%20(Indexed%20i%20a)"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>MonadFix</span> <span class='hs-layout'>(</span><span class='hs-conid'>Indexed</span> <span class='hs-varid'>i</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-152"></a> <span class='hs-varid'>mfix</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Indexed</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span> <span class='hs-varid'>i</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>let</span> <span class='hs-varid'>o</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>runIndexed</span> <span class='hs-layout'>(</span><span class='hs-varid'>f</span> <span class='hs-varid'>o</span><span class='hs-layout'>)</span> <span class='hs-varid'>i</span> <span class='hs-varid'>a</span> <span class='hs-keyword'>in</span> <span class='hs-varid'>o</span>
<a name="line-153"></a> <span class='hs-comment'>{-# INLINE mfix #-}</span>
<a name="line-154"></a>
<a name="line-155"></a><a name="instance%20Profunctor%20(Indexed%20i)"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Profunctor</span> <span class='hs-layout'>(</span><span class='hs-conid'>Indexed</span> <span class='hs-varid'>i</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-156"></a> <span class='hs-varid'>dimap</span> <span class='hs-varid'>ab</span> <span class='hs-varid'>cd</span> <span class='hs-varid'>ibc</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Indexed</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>i</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>cd</span> <span class='hs-varop'>.</span> <span class='hs-varid'>runIndexed</span> <span class='hs-varid'>ibc</span> <span class='hs-varid'>i</span> <span class='hs-varop'>.</span> <span class='hs-varid'>ab</span>
<a name="line-157"></a> <span class='hs-comment'>{-# INLINE dimap #-}</span>
<a name="line-158"></a> <span class='hs-varid'>lmap</span> <span class='hs-varid'>ab</span> <span class='hs-varid'>ibc</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Indexed</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>i</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>runIndexed</span> <span class='hs-varid'>ibc</span> <span class='hs-varid'>i</span> <span class='hs-varop'>.</span> <span class='hs-varid'>ab</span>
<a name="line-159"></a> <span class='hs-comment'>{-# INLINE lmap #-}</span>
<a name="line-160"></a> <span class='hs-varid'>rmap</span> <span class='hs-varid'>bc</span> <span class='hs-varid'>iab</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Indexed</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>i</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>bc</span> <span class='hs-varop'>.</span> <span class='hs-varid'>runIndexed</span> <span class='hs-varid'>iab</span> <span class='hs-varid'>i</span>
<a name="line-161"></a> <span class='hs-comment'>{-# INLINE rmap #-}</span>
<a name="line-162"></a><span class='hs-cpp'>#ifndef SAFE</span>
<a name="line-163"></a> <span class='hs-layout'>(</span> <span class='hs-varop'>.#</span> <span class='hs-layout'>)</span> <span class='hs-varid'>ibc</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>coerce</span> <span class='hs-varid'>ibc</span>
<a name="line-164"></a> <span class='hs-comment'>{-# INLINE ( .# ) #-}</span>
<a name="line-165"></a> <span class='hs-layout'>(</span> <span class='hs-cpp'>#.</span> <span class='hs-layout'>)</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>coerce'</span>
<a name="line-166"></a> <span class='hs-comment'>{-# INLINE ( #. ) #-}</span>
<a name="line-167"></a><span class='hs-cpp'>#endif</span>
<a name="line-168"></a>
<a name="line-169"></a><a name="instance%20Closed%20(Indexed%20i)"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Closed</span> <span class='hs-layout'>(</span><span class='hs-conid'>Indexed</span> <span class='hs-varid'>i</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-170"></a> <span class='hs-varid'>closed</span> <span class='hs-layout'>(</span><span class='hs-conid'>Indexed</span> <span class='hs-varid'>iab</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Indexed</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>i</span> <span class='hs-varid'>xa</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>iab</span> <span class='hs-varid'>i</span> <span class='hs-layout'>(</span><span class='hs-varid'>xa</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span>
<a name="line-171"></a>
<a name="line-172"></a><a name="instance%20Costrong%20(Indexed%20i)"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Costrong</span> <span class='hs-layout'>(</span><span class='hs-conid'>Indexed</span> <span class='hs-varid'>i</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-173"></a> <span class='hs-varid'>unfirst</span> <span class='hs-layout'>(</span><span class='hs-conid'>Indexed</span> <span class='hs-varid'>iadbd</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Indexed</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>i</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>let</span>
<a name="line-174"></a> <span class='hs-layout'>(</span><span class='hs-varid'>b</span><span class='hs-layout'>,</span> <span class='hs-varid'>d</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>iadbd</span> <span class='hs-varid'>i</span> <span class='hs-layout'>(</span><span class='hs-varid'>a</span><span class='hs-layout'>,</span> <span class='hs-varid'>d</span><span class='hs-layout'>)</span>
<a name="line-175"></a> <span class='hs-keyword'>in</span> <span class='hs-varid'>b</span>
<a name="line-176"></a>
<a name="line-177"></a><a name="instance%20Sieve%20(Indexed%20i)%20((-%3e)%20i)"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Sieve</span> <span class='hs-layout'>(</span><span class='hs-conid'>Indexed</span> <span class='hs-varid'>i</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>-></span><span class='hs-layout'>)</span> <span class='hs-varid'>i</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-178"></a> <span class='hs-varid'>sieve</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>flip</span> <span class='hs-varop'>.</span> <span class='hs-varid'>runIndexed</span>
<a name="line-179"></a> <span class='hs-comment'>{-# INLINE sieve #-}</span>
<a name="line-180"></a>
<a name="line-181"></a><a name="instance%20Representable%20(Indexed%20i)"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Representable</span> <span class='hs-layout'>(</span><span class='hs-conid'>Indexed</span> <span class='hs-varid'>i</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-182"></a> <span class='hs-keyword'>type</span> <span class='hs-conid'>Rep</span> <span class='hs-layout'>(</span><span class='hs-conid'>Indexed</span> <span class='hs-varid'>i</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>-></span><span class='hs-layout'>)</span> <span class='hs-varid'>i</span>
<a name="line-183"></a> <span class='hs-varid'>tabulate</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Indexed</span> <span class='hs-varop'>.</span> <span class='hs-varid'>flip</span>
<a name="line-184"></a> <span class='hs-comment'>{-# INLINE tabulate #-}</span>
<a name="line-185"></a>
<a name="line-186"></a><a name="instance%20Cosieve%20(Indexed%20i)%20((,)%20i)"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Cosieve</span> <span class='hs-layout'>(</span><span class='hs-conid'>Indexed</span> <span class='hs-varid'>i</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-conid'>(,)</span> <span class='hs-varid'>i</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-187"></a> <span class='hs-varid'>cosieve</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>uncurry</span> <span class='hs-varop'>.</span> <span class='hs-varid'>runIndexed</span>
<a name="line-188"></a> <span class='hs-comment'>{-# INLINE cosieve #-}</span>
<a name="line-189"></a>
<a name="line-190"></a><a name="instance%20Corepresentable%20(Indexed%20i)"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Corepresentable</span> <span class='hs-layout'>(</span><span class='hs-conid'>Indexed</span> <span class='hs-varid'>i</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-191"></a> <span class='hs-keyword'>type</span> <span class='hs-conid'>Corep</span> <span class='hs-layout'>(</span><span class='hs-conid'>Indexed</span> <span class='hs-varid'>i</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>(,)</span> <span class='hs-varid'>i</span>
<a name="line-192"></a> <span class='hs-varid'>cotabulate</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Indexed</span> <span class='hs-varop'>.</span> <span class='hs-varid'>curry</span>
<a name="line-193"></a> <span class='hs-comment'>{-# INLINE cotabulate #-}</span>
<a name="line-194"></a>
<a name="line-195"></a><a name="instance%20Choice%20(Indexed%20i)"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Choice</span> <span class='hs-layout'>(</span><span class='hs-conid'>Indexed</span> <span class='hs-varid'>i</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-196"></a> <span class='hs-varid'>right'</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>right</span>
<a name="line-197"></a> <span class='hs-comment'>{-# INLINE right' #-}</span>
<a name="line-198"></a>
<a name="line-199"></a><a name="instance%20Strong%20(Indexed%20i)"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Strong</span> <span class='hs-layout'>(</span><span class='hs-conid'>Indexed</span> <span class='hs-varid'>i</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-200"></a> <span class='hs-varid'>second'</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>second</span>
<a name="line-201"></a> <span class='hs-comment'>{-# INLINE second' #-}</span>
<a name="line-202"></a>
<a name="line-203"></a><a name="instance%20Category%20(Indexed%20i)"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Category</span> <span class='hs-layout'>(</span><span class='hs-conid'>Indexed</span> <span class='hs-varid'>i</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-204"></a> <span class='hs-varid'>id</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Indexed</span> <span class='hs-layout'>(</span><span class='hs-varid'>const</span> <span class='hs-varid'>id</span><span class='hs-layout'>)</span>
<a name="line-205"></a> <span class='hs-comment'>{-# INLINE id #-}</span>
<a name="line-206"></a> <span class='hs-conid'>Indexed</span> <span class='hs-varid'>f</span> <span class='hs-varop'>.</span> <span class='hs-conid'>Indexed</span> <span class='hs-varid'>g</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Indexed</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>i</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>f</span> <span class='hs-varid'>i</span> <span class='hs-varop'>.</span> <span class='hs-varid'>g</span> <span class='hs-varid'>i</span>
<a name="line-207"></a> <span class='hs-comment'>{-# INLINE (.) #-}</span>
<a name="line-208"></a>
<a name="line-209"></a><a name="instance%20Arrow%20(Indexed%20i)"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Arrow</span> <span class='hs-layout'>(</span><span class='hs-conid'>Indexed</span> <span class='hs-varid'>i</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-210"></a> <span class='hs-varid'>arr</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Indexed</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>f</span><span class='hs-layout'>)</span>
<a name="line-211"></a> <span class='hs-comment'>{-# INLINE arr #-}</span>
<a name="line-212"></a> <span class='hs-varid'>first</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Indexed</span> <span class='hs-layout'>(</span><span class='hs-conid'>Arrow</span><span class='hs-varop'>.</span><span class='hs-varid'>first</span> <span class='hs-varop'>.</span> <span class='hs-varid'>runIndexed</span> <span class='hs-varid'>f</span><span class='hs-layout'>)</span>
<a name="line-213"></a> <span class='hs-comment'>{-# INLINE first #-}</span>
<a name="line-214"></a> <span class='hs-varid'>second</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Indexed</span> <span class='hs-layout'>(</span><span class='hs-conid'>Arrow</span><span class='hs-varop'>.</span><span class='hs-varid'>second</span> <span class='hs-varop'>.</span> <span class='hs-varid'>runIndexed</span> <span class='hs-varid'>f</span><span class='hs-layout'>)</span>
<a name="line-215"></a> <span class='hs-comment'>{-# INLINE second #-}</span>
<a name="line-216"></a> <span class='hs-conid'>Indexed</span> <span class='hs-varid'>f</span> <span class='hs-varop'>***</span> <span class='hs-conid'>Indexed</span> <span class='hs-varid'>g</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Indexed</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>i</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>f</span> <span class='hs-varid'>i</span> <span class='hs-varop'>***</span> <span class='hs-varid'>g</span> <span class='hs-varid'>i</span>
<a name="line-217"></a> <span class='hs-comment'>{-# INLINE (***) #-}</span>
<a name="line-218"></a> <span class='hs-conid'>Indexed</span> <span class='hs-varid'>f</span> <span class='hs-varop'>&&&</span> <span class='hs-conid'>Indexed</span> <span class='hs-varid'>g</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Indexed</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>i</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>f</span> <span class='hs-varid'>i</span> <span class='hs-varop'>&&&</span> <span class='hs-varid'>g</span> <span class='hs-varid'>i</span>
<a name="line-219"></a> <span class='hs-comment'>{-# INLINE (&&&) #-}</span>
<a name="line-220"></a>
<a name="line-221"></a><a name="instance%20ArrowChoice%20(Indexed%20i)"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>ArrowChoice</span> <span class='hs-layout'>(</span><span class='hs-conid'>Indexed</span> <span class='hs-varid'>i</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-222"></a> <span class='hs-varid'>left</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Indexed</span> <span class='hs-layout'>(</span><span class='hs-varid'>left</span> <span class='hs-varop'>.</span> <span class='hs-varid'>runIndexed</span> <span class='hs-varid'>f</span><span class='hs-layout'>)</span>
<a name="line-223"></a> <span class='hs-comment'>{-# INLINE left #-}</span>
<a name="line-224"></a> <span class='hs-varid'>right</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Indexed</span> <span class='hs-layout'>(</span><span class='hs-varid'>right</span> <span class='hs-varop'>.</span> <span class='hs-varid'>runIndexed</span> <span class='hs-varid'>f</span><span class='hs-layout'>)</span>
<a name="line-225"></a> <span class='hs-comment'>{-# INLINE right #-}</span>
<a name="line-226"></a> <span class='hs-conid'>Indexed</span> <span class='hs-varid'>f</span> <span class='hs-varop'>+++</span> <span class='hs-conid'>Indexed</span> <span class='hs-varid'>g</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Indexed</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>i</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>f</span> <span class='hs-varid'>i</span> <span class='hs-varop'>+++</span> <span class='hs-varid'>g</span> <span class='hs-varid'>i</span>
<a name="line-227"></a> <span class='hs-comment'>{-# INLINE (+++) #-}</span>
<a name="line-228"></a> <span class='hs-conid'>Indexed</span> <span class='hs-varid'>f</span> <span class='hs-varop'>|||</span> <span class='hs-conid'>Indexed</span> <span class='hs-varid'>g</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Indexed</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>i</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>f</span> <span class='hs-varid'>i</span> <span class='hs-varop'>|||</span> <span class='hs-varid'>g</span> <span class='hs-varid'>i</span>
<a name="line-229"></a> <span class='hs-comment'>{-# INLINE (|||) #-}</span>
<a name="line-230"></a>
<a name="line-231"></a><a name="instance%20ArrowApply%20(Indexed%20i)"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>ArrowApply</span> <span class='hs-layout'>(</span><span class='hs-conid'>Indexed</span> <span class='hs-varid'>i</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-232"></a> <span class='hs-varid'>app</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Indexed</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span> <span class='hs-varid'>i</span> <span class='hs-layout'>(</span><span class='hs-varid'>f</span><span class='hs-layout'>,</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>runIndexed</span> <span class='hs-varid'>f</span> <span class='hs-varid'>i</span> <span class='hs-varid'>b</span>
<a name="line-233"></a> <span class='hs-comment'>{-# INLINE app #-}</span>
<a name="line-234"></a>
<a name="line-235"></a><a name="instance%20ArrowLoop%20(Indexed%20i)"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>ArrowLoop</span> <span class='hs-layout'>(</span><span class='hs-conid'>Indexed</span> <span class='hs-varid'>i</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-236"></a> <span class='hs-varid'>loop</span> <span class='hs-layout'>(</span><span class='hs-conid'>Indexed</span> <span class='hs-varid'>f</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Indexed</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>i</span> <span class='hs-varid'>b</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>let</span> <span class='hs-layout'>(</span><span class='hs-varid'>c</span><span class='hs-layout'>,</span><span class='hs-varid'>d</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>f</span> <span class='hs-varid'>i</span> <span class='hs-layout'>(</span><span class='hs-varid'>b</span><span class='hs-layout'>,</span> <span class='hs-varid'>d</span><span class='hs-layout'>)</span> <span class='hs-keyword'>in</span> <span class='hs-varid'>c</span>
<a name="line-237"></a> <span class='hs-comment'>{-# INLINE loop #-}</span>
<a name="line-238"></a>
<a name="line-239"></a><a name="instance%20Conjoined%20(Indexed%20i)"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Conjoined</span> <span class='hs-layout'>(</span><span class='hs-conid'>Indexed</span> <span class='hs-varid'>i</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-240"></a> <span class='hs-varid'>distrib</span> <span class='hs-layout'>(</span><span class='hs-conid'>Indexed</span> <span class='hs-varid'>iab</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Indexed</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>i</span> <span class='hs-varid'>fa</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>iab</span> <span class='hs-varid'>i</span> <span class='hs-varop'><$></span> <span class='hs-varid'>fa</span>
<a name="line-241"></a> <span class='hs-comment'>{-# INLINE distrib #-}</span>
<a name="line-242"></a>
<a name="line-243"></a><a name="instance%20Indexable%20i%20(Indexed%20j)"></a><span class='hs-keyword'>instance</span> <span class='hs-varid'>i</span> <span class='hs-keyglyph'>~</span> <span class='hs-varid'>j</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>Indexable</span> <span class='hs-varid'>i</span> <span class='hs-layout'>(</span><span class='hs-conid'>Indexed</span> <span class='hs-varid'>j</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-244"></a> <span class='hs-varid'>indexed</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>runIndexed</span>
<a name="line-245"></a> <span class='hs-comment'>{-# INLINE indexed #-}</span>
<a name="line-246"></a>
<a name="line-247"></a><span class='hs-comment'>------------------------------------------------------------------------------</span>
<a name="line-248"></a><span class='hs-comment'>-- Indexing</span>
<a name="line-249"></a><span class='hs-comment'>------------------------------------------------------------------------------</span>
<a name="line-250"></a>
<a name="line-251"></a><a name="Indexing"></a><span class='hs-comment'>-- | 'Applicative' composition of @'Control.Monad.Trans.State.Lazy.State' 'Int'@ with a 'Functor', used</span>
<a name="line-252"></a><a name="Indexing"></a><span class='hs-comment'>-- by 'Control.Lens.Indexed.indexed'.</span>
<a name="line-253"></a><a name="Indexing"></a><span class='hs-keyword'>newtype</span> <span class='hs-conid'>Indexing</span> <span class='hs-varid'>f</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Indexing</span> <span class='hs-layout'>{</span> <span class='hs-varid'>runIndexing</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-conid'>Int</span><span class='hs-layout'>,</span> <span class='hs-varid'>f</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-layout'>}</span>
<a name="line-254"></a>
<a name="line-255"></a><a name="instance%20Functor%20(Indexing%20f)"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Functor</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>Functor</span> <span class='hs-layout'>(</span><span class='hs-conid'>Indexing</span> <span class='hs-varid'>f</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-256"></a> <span class='hs-varid'>fmap</span> <span class='hs-varid'>f</span> <span class='hs-layout'>(</span><span class='hs-conid'>Indexing</span> <span class='hs-varid'>m</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Indexing</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>i</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>case</span> <span class='hs-varid'>m</span> <span class='hs-varid'>i</span> <span class='hs-keyword'>of</span>
<a name="line-257"></a> <span class='hs-layout'>(</span><span class='hs-varid'>j</span><span class='hs-layout'>,</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-varid'>j</span><span class='hs-layout'>,</span> <span class='hs-varid'>fmap</span> <span class='hs-varid'>f</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span>
<a name="line-258"></a> <span class='hs-comment'>{-# INLINE fmap #-}</span>
<a name="line-259"></a>
<a name="line-260"></a><a name="instance%20Apply%20(Indexing%20f)"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Apply</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>Apply</span> <span class='hs-layout'>(</span><span class='hs-conid'>Indexing</span> <span class='hs-varid'>f</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-261"></a> <span class='hs-conid'>Indexing</span> <span class='hs-varid'>mf</span> <span class='hs-varop'><.></span> <span class='hs-conid'>Indexing</span> <span class='hs-varid'>ma</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Indexing</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>i</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>case</span> <span class='hs-varid'>mf</span> <span class='hs-varid'>i</span> <span class='hs-keyword'>of</span>
<a name="line-262"></a> <span class='hs-layout'>(</span><span class='hs-varid'>j</span><span class='hs-layout'>,</span> <span class='hs-varid'>ff</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>case</span> <span class='hs-varid'>ma</span> <span class='hs-varid'>j</span> <span class='hs-keyword'>of</span>
<a name="line-263"></a> <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'>fa</span><span class='hs-layout'>)</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'>ff</span> <span class='hs-varop'><.></span> <span class='hs-varid'>fa</span><span class='hs-layout'>)</span>
<a name="line-264"></a> <span class='hs-comment'>{-# INLINE (<.>) #-}</span>
<a name="line-265"></a>
<a name="line-266"></a><a name="instance%20Applicative%20(Indexing%20f)"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Applicative</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>Applicative</span> <span class='hs-layout'>(</span><span class='hs-conid'>Indexing</span> <span class='hs-varid'>f</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-267"></a> <span class='hs-varid'>pure</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Indexing</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>i</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-varid'>i</span><span class='hs-layout'>,</span> <span class='hs-varid'>pure</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span>
<a name="line-268"></a> <span class='hs-comment'>{-# INLINE pure #-}</span>
<a name="line-269"></a> <span class='hs-conid'>Indexing</span> <span class='hs-varid'>mf</span> <span class='hs-varop'><*></span> <span class='hs-conid'>Indexing</span> <span class='hs-varid'>ma</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Indexing</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>i</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>case</span> <span class='hs-varid'>mf</span> <span class='hs-varid'>i</span> <span class='hs-keyword'>of</span>
<a name="line-270"></a> <span class='hs-layout'>(</span><span class='hs-varid'>j</span><span class='hs-layout'>,</span> <span class='hs-varid'>ff</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>case</span> <span class='hs-varid'>ma</span> <span class='hs-varid'>j</span> <span class='hs-keyword'>of</span>
<a name="line-271"></a> <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'>fa</span><span class='hs-layout'>)</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'>ff</span> <span class='hs-varop'><*></span> <span class='hs-varid'>fa</span><span class='hs-layout'>)</span>
<a name="line-272"></a> <span class='hs-comment'>{-# INLINE (<*>) #-}</span>
<a name="line-273"></a>
<a name="line-274"></a><a name="instance%20Contravariant%20(Indexing%20f)"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Contravariant</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>Contravariant</span> <span class='hs-layout'>(</span><span class='hs-conid'>Indexing</span> <span class='hs-varid'>f</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-275"></a> <span class='hs-varid'>contramap</span> <span class='hs-varid'>f</span> <span class='hs-layout'>(</span><span class='hs-conid'>Indexing</span> <span class='hs-varid'>m</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Indexing</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>i</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>case</span> <span class='hs-varid'>m</span> <span class='hs-varid'>i</span> <span class='hs-keyword'>of</span>
<a name="line-276"></a> <span class='hs-layout'>(</span><span class='hs-varid'>j</span><span class='hs-layout'>,</span> <span class='hs-varid'>ff</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-varid'>j</span><span class='hs-layout'>,</span> <span class='hs-varid'>contramap</span> <span class='hs-varid'>f</span> <span class='hs-varid'>ff</span><span class='hs-layout'>)</span>
<a name="line-277"></a> <span class='hs-comment'>{-# INLINE contramap #-}</span>
<a name="line-278"></a>
<a name="line-279"></a><a name="indexing"></a><span class='hs-comment'>-- | Transform a 'Control.Lens.Traversal.Traversal' into an 'Control.Lens.Traversal.IndexedTraversal' or</span>
<a name="line-280"></a><span class='hs-comment'>-- a 'Control.Lens.Fold.Fold' into an 'Control.Lens.Fold.IndexedFold', etc.</span>
<a name="line-281"></a><span class='hs-comment'>--</span>
<a name="line-282"></a><span class='hs-comment'>-- @</span>
<a name="line-283"></a><span class='hs-comment'>-- 'indexing' :: 'Control.Lens.Type.Traversal' s t a b -> 'Control.Lens.Type.IndexedTraversal' 'Int' s t a b</span>
<a name="line-284"></a><span class='hs-comment'>-- 'indexing' :: 'Control.Lens.Type.Prism' s t a b -> 'Control.Lens.Type.IndexedTraversal' 'Int' s t a b</span>
<a name="line-285"></a><span class='hs-comment'>-- 'indexing' :: 'Control.Lens.Type.Lens' s t a b -> 'Control.Lens.Type.IndexedLens' 'Int' s t a b</span>
<a name="line-286"></a><span class='hs-comment'>-- 'indexing' :: 'Control.Lens.Type.Iso' s t a b -> 'Control.Lens.Type.IndexedLens' 'Int' s t a b</span>
<a name="line-287"></a><span class='hs-comment'>-- 'indexing' :: 'Control.Lens.Type.Fold' s a -> 'Control.Lens.Type.IndexedFold' 'Int' s a</span>
<a name="line-288"></a><span class='hs-comment'>-- 'indexing' :: 'Control.Lens.Type.Getter' s a -> 'Control.Lens.Type.IndexedGetter' 'Int' s a</span>
<a name="line-289"></a><span class='hs-comment'>-- @</span>
<a name="line-290"></a><span class='hs-comment'>--</span>
<a name="line-291"></a><span class='hs-comment'>-- @'indexing' :: 'Indexable' 'Int' p => 'Control.Lens.Type.LensLike' ('Indexing' f) s t a b -> 'Control.Lens.Type.Over' p f s t a b@</span>
<a name="line-292"></a><span class='hs-definition'>indexing</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Indexable</span> <span class='hs-conid'>Int</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=></span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Indexing</span> <span class='hs-varid'>f</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Indexing</span> <span class='hs-varid'>f</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>p</span> <span class='hs-varid'>a</span> <span class='hs-layout'>(</span><span class='hs-varid'>f</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>f</span> <span class='hs-varid'>t</span>
<a name="line-293"></a><span class='hs-definition'>indexing</span> <span class='hs-varid'>l</span> <span class='hs-varid'>iafb</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>snd</span> <span class='hs-varop'>$</span> <span class='hs-varid'>runIndexing</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'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Indexing</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>i</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>i</span> <span class='hs-varop'>`seq`</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'>indexed</span> <span class='hs-varid'>iafb</span> <span class='hs-varid'>i</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span> <span class='hs-num'>0</span>
<a name="line-294"></a><span class='hs-comment'>{-# INLINE indexing #-}</span>
<a name="line-295"></a>
<a name="line-296"></a><span class='hs-comment'>------------------------------------------------------------------------------</span>
<a name="line-297"></a><span class='hs-comment'>-- Indexing64</span>
<a name="line-298"></a><span class='hs-comment'>------------------------------------------------------------------------------</span>
<a name="line-299"></a>
<a name="line-300"></a><a name="Indexing64"></a><span class='hs-comment'>-- | 'Applicative' composition of @'Control.Monad.Trans.State.Lazy.State' 'Int64'@ with a 'Functor', used</span>
<a name="line-301"></a><a name="Indexing64"></a><span class='hs-comment'>-- by 'Control.Lens.Indexed.indexed64'.</span>
<a name="line-302"></a><a name="Indexing64"></a><span class='hs-keyword'>newtype</span> <span class='hs-conid'>Indexing64</span> <span class='hs-varid'>f</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Indexing64</span> <span class='hs-layout'>{</span> <span class='hs-varid'>runIndexing64</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Int64</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-conid'>Int64</span><span class='hs-layout'>,</span> <span class='hs-varid'>f</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-layout'>}</span>
<a name="line-303"></a>
<a name="line-304"></a><a name="instance%20Functor%20(Indexing64%20f)"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Functor</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>Functor</span> <span class='hs-layout'>(</span><span class='hs-conid'>Indexing64</span> <span class='hs-varid'>f</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-305"></a> <span class='hs-varid'>fmap</span> <span class='hs-varid'>f</span> <span class='hs-layout'>(</span><span class='hs-conid'>Indexing64</span> <span class='hs-varid'>m</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Indexing64</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>i</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>case</span> <span class='hs-varid'>m</span> <span class='hs-varid'>i</span> <span class='hs-keyword'>of</span>
<a name="line-306"></a> <span class='hs-layout'>(</span><span class='hs-varid'>j</span><span class='hs-layout'>,</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-varid'>j</span><span class='hs-layout'>,</span> <span class='hs-varid'>fmap</span> <span class='hs-varid'>f</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span>
<a name="line-307"></a> <span class='hs-comment'>{-# INLINE fmap #-}</span>
<a name="line-308"></a>
<a name="line-309"></a><a name="instance%20Apply%20(Indexing64%20f)"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Apply</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>Apply</span> <span class='hs-layout'>(</span><span class='hs-conid'>Indexing64</span> <span class='hs-varid'>f</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-310"></a> <span class='hs-conid'>Indexing64</span> <span class='hs-varid'>mf</span> <span class='hs-varop'><.></span> <span class='hs-conid'>Indexing64</span> <span class='hs-varid'>ma</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Indexing64</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>i</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>case</span> <span class='hs-varid'>mf</span> <span class='hs-varid'>i</span> <span class='hs-keyword'>of</span>
<a name="line-311"></a> <span class='hs-layout'>(</span><span class='hs-varid'>j</span><span class='hs-layout'>,</span> <span class='hs-varid'>ff</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>case</span> <span class='hs-varid'>ma</span> <span class='hs-varid'>j</span> <span class='hs-keyword'>of</span>
<a name="line-312"></a> <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'>fa</span><span class='hs-layout'>)</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'>ff</span> <span class='hs-varop'><.></span> <span class='hs-varid'>fa</span><span class='hs-layout'>)</span>
<a name="line-313"></a> <span class='hs-comment'>{-# INLINE (<.>) #-}</span>
<a name="line-314"></a>
<a name="line-315"></a><a name="instance%20Applicative%20(Indexing64%20f)"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Applicative</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>Applicative</span> <span class='hs-layout'>(</span><span class='hs-conid'>Indexing64</span> <span class='hs-varid'>f</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-316"></a> <span class='hs-varid'>pure</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Indexing64</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>i</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-varid'>i</span><span class='hs-layout'>,</span> <span class='hs-varid'>pure</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span>
<a name="line-317"></a> <span class='hs-comment'>{-# INLINE pure #-}</span>
<a name="line-318"></a> <span class='hs-conid'>Indexing64</span> <span class='hs-varid'>mf</span> <span class='hs-varop'><*></span> <span class='hs-conid'>Indexing64</span> <span class='hs-varid'>ma</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Indexing64</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>i</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>case</span> <span class='hs-varid'>mf</span> <span class='hs-varid'>i</span> <span class='hs-keyword'>of</span>
<a name="line-319"></a> <span class='hs-layout'>(</span><span class='hs-varid'>j</span><span class='hs-layout'>,</span> <span class='hs-varid'>ff</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>case</span> <span class='hs-varid'>ma</span> <span class='hs-varid'>j</span> <span class='hs-keyword'>of</span>
<a name="line-320"></a> <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'>fa</span><span class='hs-layout'>)</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'>ff</span> <span class='hs-varop'><*></span> <span class='hs-varid'>fa</span><span class='hs-layout'>)</span>
<a name="line-321"></a> <span class='hs-comment'>{-# INLINE (<*>) #-}</span>
<a name="line-322"></a>
<a name="line-323"></a><a name="instance%20Contravariant%20(Indexing64%20f)"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Contravariant</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>Contravariant</span> <span class='hs-layout'>(</span><span class='hs-conid'>Indexing64</span> <span class='hs-varid'>f</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-324"></a> <span class='hs-varid'>contramap</span> <span class='hs-varid'>f</span> <span class='hs-layout'>(</span><span class='hs-conid'>Indexing64</span> <span class='hs-varid'>m</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Indexing64</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>i</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>case</span> <span class='hs-varid'>m</span> <span class='hs-varid'>i</span> <span class='hs-keyword'>of</span>
<a name="line-325"></a> <span class='hs-layout'>(</span><span class='hs-varid'>j</span><span class='hs-layout'>,</span> <span class='hs-varid'>ff</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-varid'>j</span><span class='hs-layout'>,</span> <span class='hs-varid'>contramap</span> <span class='hs-varid'>f</span> <span class='hs-varid'>ff</span><span class='hs-layout'>)</span>
<a name="line-326"></a> <span class='hs-comment'>{-# INLINE contramap #-}</span>
<a name="line-327"></a>
<a name="line-328"></a><a name="indexing64"></a><span class='hs-comment'>-- | Transform a 'Control.Lens.Traversal.Traversal' into an 'Control.Lens.Traversal.IndexedTraversal' or</span>
<a name="line-329"></a><span class='hs-comment'>-- a 'Control.Lens.Fold.Fold' into an 'Control.Lens.Fold.IndexedFold', etc.</span>
<a name="line-330"></a><span class='hs-comment'>--</span>
<a name="line-331"></a><span class='hs-comment'>-- This combinator is like 'indexing' except that it handles large traversals and folds gracefully.</span>
<a name="line-332"></a><span class='hs-comment'>--</span>
<a name="line-333"></a><span class='hs-comment'>-- @</span>
<a name="line-334"></a><span class='hs-comment'>-- 'indexing64' :: 'Control.Lens.Type.Traversal' s t a b -> 'Control.Lens.Type.IndexedTraversal' 'Int64' s t a b</span>
<a name="line-335"></a><span class='hs-comment'>-- 'indexing64' :: 'Control.Lens.Type.Prism' s t a b -> 'Control.Lens.Type.IndexedTraversal' 'Int64' s t a b</span>
<a name="line-336"></a><span class='hs-comment'>-- 'indexing64' :: 'Control.Lens.Type.Lens' s t a b -> 'Control.Lens.Type.IndexedLens' 'Int64' s t a b</span>
<a name="line-337"></a><span class='hs-comment'>-- 'indexing64' :: 'Control.Lens.Type.Iso' s t a b -> 'Control.Lens.Type.IndexedLens' 'Int64' s t a b</span>
<a name="line-338"></a><span class='hs-comment'>-- 'indexing64' :: 'Control.Lens.Type.Fold' s a -> 'Control.Lens.Type.IndexedFold' 'Int64' s a</span>
<a name="line-339"></a><span class='hs-comment'>-- 'indexing64' :: 'Control.Lens.Type.Getter' s a -> 'Control.Lens.Type.IndexedGetter' 'Int64' s a</span>
<a name="line-340"></a><span class='hs-comment'>-- @</span>
<a name="line-341"></a><span class='hs-comment'>--</span>
<a name="line-342"></a><span class='hs-comment'>-- @'indexing64' :: 'Indexable' 'Int64' p => 'Control.Lens.Type.LensLike' ('Indexing64' f) s t a b -> 'Control.Lens.Type.Over' p f s t a b@</span>
<a name="line-343"></a><span class='hs-definition'>indexing64</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Indexable</span> <span class='hs-conid'>Int64</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=></span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Indexing64</span> <span class='hs-varid'>f</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Indexing64</span> <span class='hs-varid'>f</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>p</span> <span class='hs-varid'>a</span> <span class='hs-layout'>(</span><span class='hs-varid'>f</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>f</span> <span class='hs-varid'>t</span>
<a name="line-344"></a><span class='hs-definition'>indexing64</span> <span class='hs-varid'>l</span> <span class='hs-varid'>iafb</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>snd</span> <span class='hs-varop'>$</span> <span class='hs-varid'>runIndexing64</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'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Indexing64</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>i</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>i</span> <span class='hs-varop'>`seq`</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'>indexed</span> <span class='hs-varid'>iafb</span> <span class='hs-varid'>i</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span> <span class='hs-num'>0</span>
<a name="line-345"></a><span class='hs-comment'>{-# INLINE indexing64 #-}</span>
<a name="line-346"></a>
<a name="line-347"></a><span class='hs-comment'>-------------------------------------------------------------------------------</span>
<a name="line-348"></a><span class='hs-comment'>-- Converting to Folds</span>
<a name="line-349"></a><span class='hs-comment'>-------------------------------------------------------------------------------</span>
<a name="line-350"></a>
<a name="line-351"></a><a name="withIndex"></a><span class='hs-comment'>-- | Fold a container with indices returning both the indices and the values.</span>
<a name="line-352"></a><span class='hs-comment'>--</span>
<a name="line-353"></a><span class='hs-comment'>-- The result is only valid to compose in a 'Traversal', if you don't edit the</span>
<a name="line-354"></a><span class='hs-comment'>-- index as edits to the index have no effect.</span>
<a name="line-355"></a><span class='hs-comment'>--</span>
<a name="line-356"></a><span class='hs-comment'>-- >>> [10, 20, 30] ^.. ifolded . withIndex</span>
<a name="line-357"></a><span class='hs-comment'>-- [(0,10),(1,20),(2,30)]</span>
<a name="line-358"></a><span class='hs-comment'>--</span>
<a name="line-359"></a><span class='hs-comment'>-- >>> [10, 20, 30] ^.. ifolded . withIndex . alongside negated (re _Show)</span>
<a name="line-360"></a><span class='hs-comment'>-- [(0,"10"),(-1,"20"),(-2,"30")]</span>
<a name="line-361"></a><span class='hs-comment'>--</span>
<a name="line-362"></a><span class='hs-definition'>withIndex</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>Indexable</span> <span class='hs-varid'>i</span> <span class='hs-varid'>p</span><span class='hs-layout'>,</span> <span class='hs-conid'>Functor</span> <span class='hs-varid'>f</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=></span> <span class='hs-varid'>p</span> <span class='hs-layout'>(</span><span class='hs-varid'>i</span><span class='hs-layout'>,</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>f</span> <span class='hs-layout'>(</span><span class='hs-varid'>j</span><span class='hs-layout'>,</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Indexed</span> <span class='hs-varid'>i</span> <span class='hs-varid'>s</span> <span class='hs-layout'>(</span><span class='hs-varid'>f</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span>
<a name="line-363"></a><span class='hs-definition'>withIndex</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Indexed</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>i</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>snd</span> <span class='hs-varop'><$></span> <span class='hs-varid'>indexed</span> <span class='hs-varid'>f</span> <span class='hs-varid'>i</span> <span class='hs-layout'>(</span><span class='hs-varid'>i</span><span class='hs-layout'>,</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span>
<a name="line-364"></a><span class='hs-comment'>{-# INLINE withIndex #-}</span>
<a name="line-365"></a>
<a name="line-366"></a><a name="asIndex"></a><span class='hs-comment'>-- | When composed with an 'IndexedFold' or 'IndexedTraversal' this yields an</span>
<a name="line-367"></a><span class='hs-comment'>-- ('Indexed') 'Fold' of the indices.</span>
<a name="line-368"></a><span class='hs-definition'>asIndex</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>Indexable</span> <span class='hs-varid'>i</span> <span class='hs-varid'>p</span><span class='hs-layout'>,</span> <span class='hs-conid'>Contravariant</span> <span class='hs-varid'>f</span><span class='hs-layout'>,</span> <span class='hs-conid'>Functor</span> <span class='hs-varid'>f</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=></span> <span class='hs-varid'>p</span> <span class='hs-varid'>i</span> <span class='hs-layout'>(</span><span class='hs-varid'>f</span> <span class='hs-varid'>i</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Indexed</span> <span class='hs-varid'>i</span> <span class='hs-varid'>s</span> <span class='hs-layout'>(</span><span class='hs-varid'>f</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span>
<a name="line-369"></a><span class='hs-definition'>asIndex</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Indexed</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>i</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>phantom</span> <span class='hs-layout'>(</span><span class='hs-varid'>indexed</span> <span class='hs-varid'>f</span> <span class='hs-varid'>i</span> <span class='hs-varid'>i</span><span class='hs-layout'>)</span>
<a name="line-370"></a><span class='hs-comment'>{-# INLINE asIndex #-}</span>
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