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<title>src/Darcs/Patch/V1/Apply.hs</title>
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<pre><a name="line-1"></a><span class='hs-comment'>{-# OPTIONS_GHC -fno-warn-orphans #-}</span>
<a name="line-2"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Patch</span><span class='hs-varop'>.</span><span class='hs-conid'>V1</span><span class='hs-varop'>.</span><span class='hs-conid'>Apply</span> <span class='hs-conid'>()</span> <span class='hs-keyword'>where</span>
<a name="line-3"></a>
<a name="line-4"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Patch</span><span class='hs-varop'>.</span><span class='hs-conid'>Apply</span> <span class='hs-layout'>(</span> <span class='hs-conid'>Apply</span><span class='hs-layout'>,</span> <span class='hs-varid'>apply</span> <span class='hs-layout'>)</span>
<a name="line-5"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Patch</span><span class='hs-varop'>.</span><span class='hs-conid'>Prim</span> <span class='hs-layout'>(</span> <span class='hs-conid'>PrimPatch</span><span class='hs-layout'>,</span> <span class='hs-varid'>applyPrimFL</span> <span class='hs-layout'>)</span>
<a name="line-6"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Patch</span><span class='hs-varop'>.</span><span class='hs-conid'>Repair</span> <span class='hs-layout'>(</span> <span class='hs-conid'>RepairToFL</span><span class='hs-layout'>,</span> <span class='hs-varid'>applyAndTryToFixFL</span><span class='hs-layout'>,</span>
<a name="line-7"></a> <span class='hs-varid'>mapMaybeSnd</span> <span class='hs-layout'>)</span>
<a name="line-8"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Patch</span><span class='hs-varop'>.</span><span class='hs-conid'>Effect</span> <span class='hs-layout'>(</span> <span class='hs-varid'>effect</span> <span class='hs-layout'>)</span>
<a name="line-9"></a>
<a name="line-10"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Patch</span><span class='hs-varop'>.</span><span class='hs-conid'>V1</span><span class='hs-varop'>.</span><span class='hs-conid'>Commute</span> <span class='hs-conid'>()</span>
<a name="line-11"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Patch</span><span class='hs-varop'>.</span><span class='hs-conid'>V1</span><span class='hs-varop'>.</span><span class='hs-conid'>Core</span> <span class='hs-layout'>(</span> <span class='hs-conid'>Patch</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span>
<a name="line-12"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Patch</span><span class='hs-varop'>.</span><span class='hs-conid'>Apply</span><span class='hs-layout'>(</span> <span class='hs-conid'>ApplyState</span> <span class='hs-layout'>)</span>
<a name="line-13"></a>
<a name="line-14"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Witnesses</span><span class='hs-varop'>.</span><span class='hs-conid'>Ordered</span> <span class='hs-layout'>(</span> <span class='hs-varid'>mapFL_FL</span> <span class='hs-layout'>)</span>
<a name="line-15"></a>
<a name="line-16"></a><span class='hs-cpp'>#include "gadts.h"</span>
<a name="line-17"></a>
<a name="line-18"></a><a name="instance%20Apply%20(Patch%20prim)"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>PrimPatch</span> <span class='hs-varid'>prim</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>Apply</span> <span class='hs-layout'>(</span><span class='hs-conid'>Patch</span> <span class='hs-varid'>prim</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-19"></a> <span class='hs-keyword'>type</span> <span class='hs-conid'>ApplyState</span> <span class='hs-layout'>(</span><span class='hs-conid'>Patch</span> <span class='hs-varid'>prim</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>ApplyState</span> <span class='hs-varid'>prim</span>
<a name="line-20"></a> <span class='hs-varid'>apply</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>applyPrimFL</span> <span class='hs-varop'>$</span> <span class='hs-varid'>effect</span> <span class='hs-varid'>p</span>
<a name="line-21"></a>
<a name="line-22"></a><a name="instance%20RepairToFL%20(Patch%20prim)"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>PrimPatch</span> <span class='hs-varid'>prim</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>RepairToFL</span> <span class='hs-layout'>(</span><span class='hs-conid'>Patch</span> <span class='hs-varid'>prim</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-23"></a> <span class='hs-varid'>applyAndTryToFixFL</span> <span class='hs-layout'>(</span><span class='hs-conid'>PP</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>mapMaybeSnd</span> <span class='hs-layout'>(</span><span class='hs-varid'>mapFL_FL</span> <span class='hs-conid'>PP</span><span class='hs-layout'>)</span> <span class='hs-varop'>`fmap`</span> <span class='hs-varid'>applyAndTryToFixFL</span> <span class='hs-varid'>x</span>
<a name="line-24"></a> <span class='hs-varid'>applyAndTryToFixFL</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>apply</span> <span class='hs-varid'>x</span><span class='hs-layout'>;</span> <span class='hs-varid'>return</span> <span class='hs-conid'>Nothing</span>
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