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<title>src/Data/Semigroup/Bifoldable.hs</title>
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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'>-----------------------------------------------------------------------------</span>
<a name="line-3"></a><span class='hs-comment'>-- |</span>
<a name="line-4"></a><span class='hs-comment'>-- Copyright : (C) 2011-2015 Edward Kmett</span>
<a name="line-5"></a><span class='hs-comment'>-- License : BSD-style (see the file LICENSE)</span>
<a name="line-6"></a><span class='hs-comment'>--</span>
<a name="line-7"></a><span class='hs-comment'>-- Maintainer : Edward Kmett <ekmett@gmail.com></span>
<a name="line-8"></a><span class='hs-comment'>-- Stability : provisional</span>
<a name="line-9"></a><span class='hs-comment'>-- Portability : portable</span>
<a name="line-10"></a><span class='hs-comment'>--</span>
<a name="line-11"></a><span class='hs-comment'>----------------------------------------------------------------------------</span>
<a name="line-12"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Semigroup</span><span class='hs-varop'>.</span><span class='hs-conid'>Bifoldable</span>
<a name="line-13"></a> <span class='hs-layout'>(</span> <span class='hs-conid'>Bifoldable1</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span>
<a name="line-14"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>bitraverse1_</span>
<a name="line-15"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>bifor1_</span>
<a name="line-16"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>bisequenceA1_</span>
<a name="line-17"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>bifoldMapDefault1</span>
<a name="line-18"></a> <span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-19"></a>
<a name="line-20"></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-21"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Bifoldable</span>
<a name="line-22"></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'>Apply</span>
<a name="line-23"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Semigroup</span>
<a name="line-24"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Semigroup</span><span class='hs-varop'>.</span><span class='hs-conid'>Foldable</span><span class='hs-varop'>.</span><span class='hs-conid'>Class</span>
<a name="line-25"></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'>foldr</span><span class='hs-layout'>)</span>
<a name="line-26"></a>
<a name="line-27"></a><a name="Act"></a><span class='hs-keyword'>newtype</span> <span class='hs-conid'>Act</span> <span class='hs-varid'>f</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Act</span> <span class='hs-layout'>{</span> <span class='hs-varid'>getAct</span> <span class='hs-keyglyph'>::</span> <span class='hs-varid'>f</span> <span class='hs-varid'>a</span> <span class='hs-layout'>}</span>
<a name="line-28"></a>
<a name="line-29"></a><a name="instance%20Semigroup%20(Act%20f%20a)"></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'>Semigroup</span> <span class='hs-layout'>(</span><span class='hs-conid'>Act</span> <span class='hs-varid'>f</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-30"></a> <span class='hs-conid'>Act</span> <span class='hs-varid'>a</span> <span class='hs-varop'><></span> <span class='hs-conid'>Act</span> <span class='hs-varid'>b</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Act</span> <span class='hs-layout'>(</span><span class='hs-varid'>a</span> <span class='hs-varop'>.></span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span>
<a name="line-31"></a> <span class='hs-comment'>{-# INLINE (<>) #-}</span>
<a name="line-32"></a>
<a name="line-33"></a><a name="instance%20Functor%20(Act%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'>Act</span> <span class='hs-varid'>f</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-34"></a> <span class='hs-varid'>fmap</span> <span class='hs-varid'>f</span> <span class='hs-layout'>(</span><span class='hs-conid'>Act</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Act</span> <span class='hs-layout'>(</span><span class='hs-varid'>f</span> <span class='hs-varop'><$></span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span>
<a name="line-35"></a> <span class='hs-comment'>{-# INLINE fmap #-}</span>
<a name="line-36"></a> <span class='hs-varid'>b</span> <span class='hs-varop'><$</span> <span class='hs-conid'>Act</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Act</span> <span class='hs-layout'>(</span><span class='hs-varid'>b</span> <span class='hs-varop'><$</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span>
<a name="line-37"></a> <span class='hs-comment'>{-# INLINE (<$) #-}</span>
<a name="line-38"></a>
<a name="line-39"></a><a name="bitraverse1_"></a><span class='hs-definition'>bitraverse1_</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>Bifoldable1</span> <span class='hs-varid'>t</span><span class='hs-layout'>,</span> <span class='hs-conid'>Apply</span> <span class='hs-varid'>f</span><span class='hs-layout'>)</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'>f</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-varid'>c</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>f</span> <span class='hs-varid'>d</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>t</span> <span class='hs-varid'>a</span> <span class='hs-varid'>c</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>f</span> <span class='hs-conid'>()</span>
<a name="line-40"></a><span class='hs-definition'>bitraverse1_</span> <span class='hs-varid'>f</span> <span class='hs-varid'>g</span> <span class='hs-varid'>t</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>getAct</span> <span class='hs-layout'>(</span><span class='hs-varid'>bifoldMap1</span> <span class='hs-layout'>(</span><span class='hs-conid'>Act</span> <span class='hs-varop'>.</span> <span class='hs-varid'>ignore</span> <span class='hs-varop'>.</span> <span class='hs-varid'>f</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-conid'>Act</span> <span class='hs-varop'>.</span> <span class='hs-varid'>ignore</span> <span class='hs-varop'>.</span> <span class='hs-varid'>g</span><span class='hs-layout'>)</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span>
<a name="line-41"></a><span class='hs-comment'>{-# INLINE bitraverse1_ #-}</span>
<a name="line-42"></a>
<a name="line-43"></a><a name="bifor1_"></a><span class='hs-definition'>bifor1_</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>Bifoldable1</span> <span class='hs-varid'>t</span><span class='hs-layout'>,</span> <span class='hs-conid'>Apply</span> <span class='hs-varid'>f</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=></span> <span class='hs-varid'>t</span> <span class='hs-varid'>a</span> <span class='hs-varid'>c</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'>f</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-varid'>c</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>f</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-conid'>()</span>
<a name="line-44"></a><span class='hs-definition'>bifor1_</span> <span class='hs-varid'>t</span> <span class='hs-varid'>f</span> <span class='hs-varid'>g</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>bitraverse1_</span> <span class='hs-varid'>f</span> <span class='hs-varid'>g</span> <span class='hs-varid'>t</span>
<a name="line-45"></a><span class='hs-comment'>{-# INLINE bifor1_ #-}</span>
<a name="line-46"></a>
<a name="line-47"></a><a name="ignore"></a><span class='hs-definition'>ignore</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'>f</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>f</span> <span class='hs-conid'>()</span>
<a name="line-48"></a><span class='hs-definition'>ignore</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-conid'>()</span> <span class='hs-varop'><$</span><span class='hs-layout'>)</span>
<a name="line-49"></a><span class='hs-comment'>{-# INLINE ignore #-}</span>
<a name="line-50"></a>
<a name="line-51"></a><a name="bisequenceA1_"></a><span class='hs-definition'>bisequenceA1_</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>Bifoldable1</span> <span class='hs-varid'>t</span><span class='hs-layout'>,</span> <span class='hs-conid'>Apply</span> <span class='hs-varid'>f</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=></span> <span class='hs-varid'>t</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> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>f</span> <span class='hs-conid'>()</span>
<a name="line-52"></a><span class='hs-definition'>bisequenceA1_</span> <span class='hs-varid'>t</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>getAct</span> <span class='hs-layout'>(</span><span class='hs-varid'>bifoldMap1</span> <span class='hs-layout'>(</span><span class='hs-conid'>Act</span> <span class='hs-varop'>.</span> <span class='hs-varid'>ignore</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-conid'>Act</span> <span class='hs-varop'>.</span> <span class='hs-varid'>ignore</span><span class='hs-layout'>)</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span>
<a name="line-53"></a><span class='hs-comment'>{-# INLINE bisequenceA1_ #-}</span>
<a name="line-54"></a>
<a name="line-55"></a><a name="bifoldMapDefault1"></a><span class='hs-comment'>-- | Usable default for foldMap, but only if you define bifoldMap1 yourself</span>
<a name="line-56"></a><span class='hs-definition'>bifoldMapDefault1</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>Bifoldable1</span> <span class='hs-varid'>t</span><span class='hs-layout'>,</span> <span class='hs-conid'>Monoid</span> <span class='hs-varid'>m</span><span class='hs-layout'>)</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'>m</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-varid'>b</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>m</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>t</span> <span class='hs-varid'>a</span> <span class='hs-varid'>b</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>m</span>
<a name="line-57"></a><span class='hs-definition'>bifoldMapDefault1</span> <span class='hs-varid'>f</span> <span class='hs-varid'>g</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>unwrapMonoid</span> <span class='hs-varop'>.</span> <span class='hs-varid'>bifoldMap</span> <span class='hs-layout'>(</span><span class='hs-conid'>WrapMonoid</span> <span class='hs-varop'>.</span> <span class='hs-varid'>f</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-conid'>WrapMonoid</span> <span class='hs-varop'>.</span> <span class='hs-varid'>g</span><span class='hs-layout'>)</span>
<a name="line-58"></a><span class='hs-comment'>{-# INLINE bifoldMapDefault1 #-}</span>
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