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<title>src/Darcs/Witnesses/Show.hs</title>
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<pre><a name="line-1"></a><span class='hs-comment'>{-# LANGUAGE CPP #-}</span>
<a name="line-2"></a>
<a name="line-3"></a><span class='hs-keyword'>module</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'>Show</span><span class='hs-layout'>(</span><span class='hs-conid'>ShowDict</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'>showD</span><span class='hs-layout'>,</span> <span class='hs-varid'>showListD</span><span class='hs-layout'>,</span> <span class='hs-varid'>showsPrecD</span><span class='hs-layout'>,</span>
<a name="line-4"></a> <span class='hs-conid'>Show1</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'>Show2</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'>show1</span><span class='hs-layout'>,</span> <span class='hs-varid'>showsPrec1</span><span class='hs-layout'>,</span> <span class='hs-varid'>show2</span><span class='hs-layout'>,</span> <span class='hs-varid'>showsPrec2</span><span class='hs-layout'>,</span> <span class='hs-varid'>showOp2</span><span class='hs-layout'>,</span> <span class='hs-varid'>appPrec</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
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<a name="line-6"></a><span class='hs-cpp'>#include "gadts.h"</span>
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<a name="line-8"></a><a name="ShowDict"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>ShowDict</span> <span class='hs-varid'>a</span> <span class='hs-keyword'>where</span>
<a name="line-9"></a> <span class='hs-conid'>ShowDictClass</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Show</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>ShowDict</span> <span class='hs-varid'>a</span>
<a name="line-10"></a> <span class='hs-conid'>ShowDictRecord</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>Int</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ShowS</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-conid'>String</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></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-keyglyph'>-></span> <span class='hs-conid'>ShowS</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ShowDict</span> <span class='hs-varid'>a</span>
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<a name="line-12"></a><a name="showsPrecD"></a><span class='hs-definition'>showsPrecD</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ShowDict</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Int</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ShowS</span>
<a name="line-13"></a><span class='hs-definition'>showsPrecD</span> <span class='hs-conid'>ShowDictClass</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>showsPrec</span>
<a name="line-14"></a><span class='hs-definition'>showsPrecD</span> <span class='hs-layout'>(</span><span class='hs-conid'>ShowDictRecord</span> <span class='hs-varid'>showsPrecR</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>showsPrecR</span>
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<a name="line-16"></a><a name="showD"></a><span class='hs-definition'>showD</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ShowDict</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span>
<a name="line-17"></a><span class='hs-definition'>showD</span> <span class='hs-conid'>ShowDictClass</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>show</span>
<a name="line-18"></a><span class='hs-definition'>showD</span> <span class='hs-layout'>(</span><span class='hs-conid'>ShowDictRecord</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>showR</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>showR</span>
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<a name="line-20"></a><a name="showListD"></a><span class='hs-definition'>showListD</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ShowDict</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>a</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ShowS</span>
<a name="line-21"></a><span class='hs-definition'>showListD</span> <span class='hs-conid'>ShowDictClass</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>showList</span>
<a name="line-22"></a><span class='hs-definition'>showListD</span> <span class='hs-layout'>(</span><span class='hs-conid'>ShowDictRecord</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>showListR</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>showListR</span>
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<a name="line-24"></a><a name="Int"></a><span class='hs-keyword'>class</span> <span class='hs-conid'>Show1</span> <span class='hs-varid'>a</span> <span class='hs-keyword'>where</span>
<a name="line-25"></a> <span class='hs-varid'>showDict1</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ShowDict</span> <span class='hs-layout'>(</span><span class='hs-varid'>a</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>x</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
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<a name="line-27"></a><a name="showsPrec1"></a><span class='hs-definition'>showsPrec1</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Show1</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>Int</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>a</span> <span class='hs-conid'>C</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-conid'>ShowS</span>
<a name="line-28"></a><span class='hs-definition'>showsPrec1</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>showsPrecD</span> <span class='hs-varid'>showDict1</span>
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<a name="line-30"></a><a name="show1"></a><span class='hs-definition'>show1</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Show1</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>=></span> <span class='hs-varid'>a</span> <span class='hs-conid'>C</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-conid'>String</span>
<a name="line-31"></a><span class='hs-definition'>show1</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>showD</span> <span class='hs-varid'>showDict1</span>
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<a name="line-33"></a><a name="Int"></a><span class='hs-keyword'>class</span> <span class='hs-conid'>Show2</span> <span class='hs-varid'>a</span> <span class='hs-keyword'>where</span>
<a name="line-34"></a> <span class='hs-varid'>showDict2</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ShowDict</span> <span class='hs-layout'>(</span><span class='hs-varid'>a</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-layout'>)</span>
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<a name="line-36"></a><a name="showsPrec2"></a><span class='hs-definition'>showsPrec2</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Show2</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>Int</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>a</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'>ShowS</span>
<a name="line-37"></a><span class='hs-definition'>showsPrec2</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>showsPrecD</span> <span class='hs-varid'>showDict2</span>
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<a name="line-39"></a><a name="show2"></a><span class='hs-definition'>show2</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Show2</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>=></span> <span class='hs-varid'>a</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'>String</span>
<a name="line-40"></a><span class='hs-definition'>show2</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>showD</span> <span class='hs-varid'>showDict2</span>
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<a name="line-42"></a><a name="showOp2"></a><span class='hs-definition'>showOp2</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>Show2</span> <span class='hs-varid'>a</span><span class='hs-layout'>,</span> <span class='hs-conid'>Show2</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>Int</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Int</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>a</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>w</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>b</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>y</span> <span class='hs-varid'>z</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span>
<a name="line-43"></a><span class='hs-definition'>showOp2</span> <span class='hs-varid'>prec</span> <span class='hs-varid'>opstr</span> <span class='hs-varid'>d</span> <span class='hs-varid'>x</span> <span class='hs-varid'>y</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>showParen</span> <span class='hs-layout'>(</span><span class='hs-varid'>d</span> <span class='hs-varop'>></span> <span class='hs-varid'>prec</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-varid'>showsPrec2</span> <span class='hs-layout'>(</span><span class='hs-varid'>prec</span> <span class='hs-varop'>+</span> <span class='hs-num'>1</span><span class='hs-layout'>)</span> <span class='hs-varid'>x</span> <span class='hs-varop'>.</span>
<a name="line-44"></a> <span class='hs-varid'>showString</span> <span class='hs-varid'>opstr</span> <span class='hs-varop'>.</span> <span class='hs-varid'>showsPrec2</span> <span class='hs-layout'>(</span><span class='hs-varid'>prec</span> <span class='hs-varop'>+</span> <span class='hs-num'>1</span><span class='hs-layout'>)</span> <span class='hs-varid'>y</span>
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<a name="line-46"></a><a name="appPrec"></a><span class='hs-definition'>appPrec</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Int</span>
<a name="line-47"></a><span class='hs-definition'>appPrec</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>10</span>
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