<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html> <head> <!-- Generated by HsColour, http://code.haskell.org/~malcolm/hscolour/ --> <title>src/Darcs/Patch/Effect.hs</title> <link type='text/css' rel='stylesheet' href='hscolour.css' /> </head> <body> <pre><a name="line-1"></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'>Effect</span> <span class='hs-layout'>(</span> <span class='hs-conid'>Effect</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span> <span class='hs-keyword'>where</span> <a name="line-2"></a> <a name="line-3"></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-varop'>.</span><span class='hs-conid'>Class</span> <span class='hs-layout'>(</span> <span class='hs-conid'>PrimOf</span> <span class='hs-layout'>)</span> <a name="line-4"></a> <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'>Witnesses</span><span class='hs-varop'>.</span><span class='hs-conid'>Ordered</span> <a name="line-6"></a> <span class='hs-layout'>(</span> <span class='hs-conid'>FL</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-conid'>RL</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-varid'>reverseFL</span><span class='hs-layout'>,</span> <span class='hs-varid'>reverseRL</span> <a name="line-7"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>concatFL</span><span class='hs-layout'>,</span> <span class='hs-varid'>concatRL</span><span class='hs-layout'>,</span> <span class='hs-varid'>mapFL_FL</span><span class='hs-layout'>,</span> <span class='hs-varid'>mapRL_RL</span> <a name="line-8"></a> <span class='hs-layout'>)</span> <a name="line-9"></a> <a name="line-10"></a><span class='hs-cpp'>#include "gadts.h"</span> <a name="line-11"></a> <a name="line-12"></a><a name="Effect"></a><span class='hs-comment'>-- | Patches whose concrete effect which can be expressed as a list of</span> <a name="line-13"></a><a name="Effect"></a><span class='hs-comment'>-- primitive patches.</span> <a name="line-14"></a><a name="Effect"></a><span class='hs-comment'>--</span> <a name="line-15"></a><a name="Effect"></a><span class='hs-comment'>-- A minimal definition would be either of @effect@ or @effectRL@.</span> <a name="line-16"></a><a name="Effect"></a><span class='hs-keyword'>class</span> <span class='hs-conid'>Effect</span> <span class='hs-varid'>p</span> <span class='hs-keyword'>where</span> <a name="line-17"></a> <span class='hs-varid'>effect</span> <span class='hs-keyglyph'>::</span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>FL</span> <span class='hs-layout'>(</span><span class='hs-conid'>PrimOf</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <a name="line-18"></a> <span class='hs-varid'>effect</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>reverseRL</span> <span class='hs-varop'>.</span> <span class='hs-varid'>effectRL</span> <a name="line-19"></a> <span class='hs-varid'>effectRL</span> <span class='hs-keyglyph'>::</span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>RL</span> <span class='hs-layout'>(</span><span class='hs-conid'>PrimOf</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <a name="line-20"></a> <span class='hs-varid'>effectRL</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>reverseFL</span> <span class='hs-varop'>.</span> <span class='hs-varid'>effect</span> <a name="line-21"></a> <a name="line-22"></a><a name="instance%20Effect%20(FL%20p)"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Effect</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>Effect</span> <span class='hs-layout'>(</span><span class='hs-conid'>FL</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span> <a name="line-23"></a> <span class='hs-varid'>effect</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>concatFL</span> <span class='hs-varop'>$</span> <span class='hs-varid'>mapFL_FL</span> <span class='hs-varid'>effect</span> <span class='hs-varid'>p</span> <a name="line-24"></a> <span class='hs-varid'>effectRL</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>concatRL</span> <span class='hs-varop'>$</span> <span class='hs-varid'>mapRL_RL</span> <span class='hs-varid'>effectRL</span> <span class='hs-varop'>$</span> <span class='hs-varid'>reverseFL</span> <span class='hs-varid'>p</span> <a name="line-25"></a> <a name="line-26"></a><a name="instance%20Effect%20(RL%20p)"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Effect</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>Effect</span> <span class='hs-layout'>(</span><span class='hs-conid'>RL</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span> <a name="line-27"></a> <span class='hs-varid'>effect</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>concatFL</span> <span class='hs-varop'>$</span> <span class='hs-varid'>mapFL_FL</span> <span class='hs-varid'>effect</span> <span class='hs-varop'>$</span> <span class='hs-varid'>reverseRL</span> <span class='hs-varid'>p</span> <a name="line-28"></a> <span class='hs-varid'>effectRL</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>concatRL</span> <span class='hs-varop'>$</span> <span class='hs-varid'>mapRL_RL</span> <span class='hs-varid'>effectRL</span> <span class='hs-varid'>p</span> <a name="line-29"></a> </pre></body> </html>
