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<title>src/Haddock/Interface/AttachInstances.hs</title>
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<pre><a name="line-1"></a><span class='hs-comment'>{-# LANGUAGE MagicHash #-}</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'>-- Module : Haddock.Interface.AttachInstances</span>
<a name="line-5"></a><span class='hs-comment'>-- Copyright : (c) Simon Marlow 2006,</span>
<a name="line-6"></a><span class='hs-comment'>-- David Waern 2006-2009,</span>
<a name="line-7"></a><span class='hs-comment'>-- Isaac Dupree 2009</span>
<a name="line-8"></a><span class='hs-comment'>-- License : BSD-like</span>
<a name="line-9"></a><span class='hs-comment'>--</span>
<a name="line-10"></a><span class='hs-comment'>-- Maintainer : haddock@projects.haskell.org</span>
<a name="line-11"></a><span class='hs-comment'>-- Stability : experimental</span>
<a name="line-12"></a><span class='hs-comment'>-- Portability : portable</span>
<a name="line-13"></a><span class='hs-comment'>-----------------------------------------------------------------------------</span>
<a name="line-14"></a>
<a name="line-15"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>Haddock</span><span class='hs-varop'>.</span><span class='hs-conid'>Interface</span><span class='hs-varop'>.</span><span class='hs-conid'>AttachInstances</span> <span class='hs-layout'>(</span><span class='hs-varid'>attachInstances</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-16"></a>
<a name="line-17"></a>
<a name="line-18"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Haddock</span><span class='hs-varop'>.</span><span class='hs-conid'>Types</span>
<a name="line-19"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Haddock</span><span class='hs-varop'>.</span><span class='hs-conid'>Convert</span>
<a name="line-20"></a>
<a name="line-21"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Arrow</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'>List</span>
<a name="line-23"></a><span class='hs-keyword'>import</span> <span class='hs-keyword'>qualified</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Map</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>Map</span>
<a name="line-24"></a>
<a name="line-25"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>GHC</span>
<a name="line-26"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Name</span>
<a name="line-27"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>InstEnv</span>
<a name="line-28"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Class</span>
<a name="line-29"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>HscTypes</span> <span class='hs-layout'>(</span><span class='hs-varid'>withSession</span><span class='hs-layout'>,</span> <span class='hs-varid'>ioMsg</span><span class='hs-layout'>)</span>
<a name="line-30"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>TcRnDriver</span> <span class='hs-layout'>(</span><span class='hs-varid'>tcRnGetInfo</span><span class='hs-layout'>)</span>
<a name="line-31"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>TypeRep</span> <span class='hs-varid'>hiding</span> <span class='hs-layout'>(</span><span class='hs-varid'>funTyConName</span><span class='hs-layout'>)</span>
<a name="line-32"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Var</span> <span class='hs-varid'>hiding</span> <span class='hs-layout'>(</span><span class='hs-varid'>varName</span><span class='hs-layout'>)</span>
<a name="line-33"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>TyCon</span>
<a name="line-34"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>PrelNames</span>
<a name="line-35"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>FastString</span>
<a name="line-36"></a><span class='hs-cpp'>#define FSLIT(x) (mkFastString# (x#))</span>
<a name="line-37"></a>
<a name="line-38"></a>
<a name="line-39"></a><a name="attachInstances"></a><span class='hs-definition'>attachInstances</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Interface</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>InstIfaceMap</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Ghc</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Interface</span><span class='hs-keyglyph'>]</span>
<a name="line-40"></a><span class='hs-definition'>attachInstances</span> <span class='hs-varid'>ifaces</span> <span class='hs-varid'>instIfaceMap</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>mapM</span> <span class='hs-varid'>attach</span> <span class='hs-varid'>ifaces</span>
<a name="line-41"></a> <span class='hs-keyword'>where</span>
<a name="line-42"></a> <span class='hs-varid'>attach</span> <span class='hs-varid'>iface</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-43"></a> <span class='hs-varid'>newItems</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>mapM</span> <span class='hs-varid'>attachExport</span> <span class='hs-varop'>$</span> <span class='hs-varid'>ifaceExportItems</span> <span class='hs-varid'>iface</span>
<a name="line-44"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-varid'>iface</span> <span class='hs-layout'>{</span> <span class='hs-varid'>ifaceExportItems</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>newItems</span> <span class='hs-layout'>}</span>
<a name="line-45"></a> <span class='hs-keyword'>where</span>
<a name="line-46"></a> <span class='hs-varid'>attachExport</span> <span class='hs-varid'>export</span><span class='hs-keyglyph'>@</span><span class='hs-conid'>ExportDecl</span><span class='hs-layout'>{</span><span class='hs-varid'>expItemDecl</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>L</span> <span class='hs-keyword'>_</span> <span class='hs-layout'>(</span><span class='hs-conid'>TyClD</span> <span class='hs-varid'>d</span><span class='hs-layout'>)</span><span class='hs-layout'>}</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-47"></a> <span class='hs-varid'>mb_info</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getAllInfo</span> <span class='hs-layout'>(</span><span class='hs-varid'>unLoc</span> <span class='hs-layout'>(</span><span class='hs-varid'>tcdLName</span> <span class='hs-varid'>d</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-48"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-varid'>export</span> <span class='hs-layout'>{</span> <span class='hs-varid'>expItemInstances</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>mb_info</span> <span class='hs-keyword'>of</span>
<a name="line-49"></a> <span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-keyword'>_</span><span class='hs-layout'>,</span> <span class='hs-keyword'>_</span><span class='hs-layout'>,</span> <span class='hs-varid'>instances</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span>
<a name="line-50"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>insts</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>map</span> <span class='hs-layout'>(</span><span class='hs-varid'>first</span> <span class='hs-varid'>synifyInstHead</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-varid'>sortImage</span> <span class='hs-layout'>(</span><span class='hs-varid'>first</span> <span class='hs-varid'>instHead</span><span class='hs-layout'>)</span>
<a name="line-51"></a> <span class='hs-keyglyph'>[</span> <span class='hs-layout'>(</span><span class='hs-varid'>instanceHead</span> <span class='hs-varid'>i</span><span class='hs-layout'>,</span> <span class='hs-varid'>getName</span> <span class='hs-varid'>i</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'>instances</span> <span class='hs-keyglyph'>]</span>
<a name="line-52"></a> <span class='hs-keyword'>in</span> <span class='hs-keyglyph'>[</span> <span class='hs-layout'>(</span><span class='hs-varid'>inst</span><span class='hs-layout'>,</span> <span class='hs-varid'>lookupInstDoc</span> <span class='hs-varid'>name</span> <span class='hs-varid'>iface</span> <span class='hs-varid'>instIfaceMap</span><span class='hs-layout'>)</span>
<a name="line-53"></a> <span class='hs-keyglyph'>|</span> <span class='hs-layout'>(</span><span class='hs-varid'>inst</span><span class='hs-layout'>,</span> <span class='hs-varid'>name</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>insts</span> <span class='hs-keyglyph'>]</span>
<a name="line-54"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>[]</span>
<a name="line-55"></a> <span class='hs-layout'>}</span>
<a name="line-56"></a> <span class='hs-varid'>attachExport</span> <span class='hs-varid'>export</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>return</span> <span class='hs-varid'>export</span>
<a name="line-57"></a>
<a name="line-58"></a>
<a name="line-59"></a><a name="lookupInstDoc"></a><span class='hs-definition'>lookupInstDoc</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Name</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Interface</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>InstIfaceMap</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Maybe</span> <span class='hs-layout'>(</span><span class='hs-conid'>Doc</span> <span class='hs-conid'>Name</span><span class='hs-layout'>)</span>
<a name="line-60"></a><span class='hs-comment'>-- TODO: capture this pattern in a function (when we have streamlined the</span>
<a name="line-61"></a><span class='hs-comment'>-- handling of instances)</span>
<a name="line-62"></a><span class='hs-definition'>lookupInstDoc</span> <span class='hs-varid'>name</span> <span class='hs-varid'>iface</span> <span class='hs-varid'>ifaceMap</span> <span class='hs-keyglyph'>=</span>
<a name="line-63"></a> <span class='hs-keyword'>case</span> <span class='hs-conid'>Map</span><span class='hs-varop'>.</span><span class='hs-varid'>lookup</span> <span class='hs-varid'>name</span> <span class='hs-layout'>(</span><span class='hs-varid'>ifaceInstanceDocMap</span> <span class='hs-varid'>iface</span><span class='hs-layout'>)</span> <span class='hs-keyword'>of</span>
<a name="line-64"></a> <span class='hs-conid'>Just</span> <span class='hs-varid'>doc</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Just</span> <span class='hs-varid'>doc</span>
<a name="line-65"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span> <span class='hs-comment'>-- in Maybe</span>
<a name="line-66"></a> <span class='hs-varid'>instIface</span> <span class='hs-keyglyph'><-</span> <span class='hs-conid'>Map</span><span class='hs-varop'>.</span><span class='hs-varid'>lookup</span> <span class='hs-varid'>modName</span> <span class='hs-varid'>ifaceMap</span>
<a name="line-67"></a> <span class='hs-layout'>(</span><span class='hs-conid'>Just</span> <span class='hs-varid'>doc</span><span class='hs-layout'>,</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'><-</span> <span class='hs-conid'>Map</span><span class='hs-varop'>.</span><span class='hs-varid'>lookup</span> <span class='hs-varid'>name</span> <span class='hs-layout'>(</span><span class='hs-varid'>instDocMap</span> <span class='hs-varid'>instIface</span><span class='hs-layout'>)</span>
<a name="line-68"></a> <span class='hs-varid'>return</span> <span class='hs-varid'>doc</span>
<a name="line-69"></a> <span class='hs-keyword'>where</span>
<a name="line-70"></a> <span class='hs-varid'>modName</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>nameModule</span> <span class='hs-varid'>name</span>
<a name="line-71"></a>
<a name="line-72"></a>
<a name="line-73"></a><a name="getAllInfo"></a><span class='hs-comment'>-- | Like GHC's getInfo but doesn't cut things out depending on the</span>
<a name="line-74"></a><span class='hs-comment'>-- interative context, which we don't set sufficiently anyway.</span>
<a name="line-75"></a><span class='hs-definition'>getAllInfo</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GhcMonad</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>Name</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>m</span> <span class='hs-layout'>(</span><span class='hs-conid'>Maybe</span> <span class='hs-layout'>(</span><span class='hs-conid'>TyThing</span><span class='hs-layout'>,</span><span class='hs-conid'>Fixity</span><span class='hs-layout'>,</span><span class='hs-keyglyph'>[</span><span class='hs-conid'>Instance</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-76"></a><span class='hs-definition'>getAllInfo</span> <span class='hs-varid'>name</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>withSession</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>hsc_env</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>ioMsg</span> <span class='hs-varop'>$</span> <span class='hs-varid'>tcRnGetInfo</span> <span class='hs-varid'>hsc_env</span> <span class='hs-varid'>name</span>
<a name="line-77"></a>
<a name="line-78"></a>
<a name="line-79"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span>
<a name="line-80"></a><span class='hs-comment'>-- Collecting and sorting instances</span>
<a name="line-81"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span>
<a name="line-82"></a>
<a name="line-83"></a>
<a name="line-84"></a><a name="SimpleType"></a><span class='hs-comment'>-- | Simplified type for sorting types, ignoring qualification (not visible</span>
<a name="line-85"></a><a name="SimpleType"></a><span class='hs-comment'>-- in Haddock output) and unifying special tycons with normal ones.</span>
<a name="line-86"></a><a name="SimpleType"></a><span class='hs-comment'>-- For the benefit of the user (looks nice and predictable) and the</span>
<a name="line-87"></a><a name="SimpleType"></a><span class='hs-comment'>-- tests (which prefer output to be deterministic).</span>
<a name="line-88"></a><a name="SimpleType"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>SimpleType</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>SimpleType</span> <span class='hs-conid'>Name</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>SimpleType</span><span class='hs-keyglyph'>]</span> <span class='hs-keyword'>deriving</span> <span class='hs-layout'>(</span><span class='hs-conid'>Eq</span><span class='hs-layout'>,</span><span class='hs-conid'>Ord</span><span class='hs-layout'>)</span>
<a name="line-89"></a>
<a name="line-90"></a>
<a name="line-91"></a><a name="instHead"></a><span class='hs-comment'>-- TODO: should we support PredTy here?</span>
<a name="line-92"></a><span class='hs-definition'>instHead</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>[</span><span class='hs-conid'>TyVar</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>,</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>PredType</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>,</span> <span class='hs-conid'>Class</span><span class='hs-layout'>,</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Type</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></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-layout'>,</span> <span class='hs-conid'>Name</span><span class='hs-layout'>,</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>SimpleType</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span>
<a name="line-93"></a><span class='hs-definition'>instHead</span> <span class='hs-layout'>(</span><span class='hs-keyword'>_</span><span class='hs-layout'>,</span> <span class='hs-keyword'>_</span><span class='hs-layout'>,</span> <span class='hs-varid'>cls</span><span class='hs-layout'>,</span> <span class='hs-varid'>args</span><span class='hs-layout'>)</span>
<a name="line-94"></a> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-varid'>map</span> <span class='hs-varid'>argCount</span> <span class='hs-varid'>args</span><span class='hs-layout'>,</span> <span class='hs-varid'>className</span> <span class='hs-varid'>cls</span><span class='hs-layout'>,</span> <span class='hs-varid'>map</span> <span class='hs-varid'>simplify</span> <span class='hs-varid'>args</span><span class='hs-layout'>)</span>
<a name="line-95"></a> <span class='hs-keyword'>where</span>
<a name="line-96"></a> <span class='hs-varid'>argCount</span> <span class='hs-layout'>(</span><span class='hs-conid'>AppTy</span> <span class='hs-varid'>t</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>argCount</span> <span class='hs-varid'>t</span> <span class='hs-varop'>+</span> <span class='hs-num'>1</span>
<a name="line-97"></a> <span class='hs-varid'>argCount</span> <span class='hs-layout'>(</span><span class='hs-conid'>TyConApp</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>ts</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>length</span> <span class='hs-varid'>ts</span>
<a name="line-98"></a> <span class='hs-varid'>argCount</span> <span class='hs-layout'>(</span><span class='hs-conid'>FunTy</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>2</span>
<a name="line-99"></a> <span class='hs-varid'>argCount</span> <span class='hs-layout'>(</span><span class='hs-conid'>ForAllTy</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>argCount</span> <span class='hs-varid'>t</span>
<a name="line-100"></a> <span class='hs-varid'>argCount</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>0</span>
<a name="line-101"></a>
<a name="line-102"></a> <span class='hs-varid'>simplify</span> <span class='hs-layout'>(</span><span class='hs-conid'>ForAllTy</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>simplify</span> <span class='hs-varid'>t</span>
<a name="line-103"></a> <span class='hs-varid'>simplify</span> <span class='hs-layout'>(</span><span class='hs-conid'>FunTy</span> <span class='hs-varid'>t1</span> <span class='hs-varid'>t2</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span>
<a name="line-104"></a> <span class='hs-conid'>SimpleType</span> <span class='hs-varid'>funTyConName</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>simplify</span> <span class='hs-varid'>t1</span><span class='hs-layout'>,</span> <span class='hs-varid'>simplify</span> <span class='hs-varid'>t2</span><span class='hs-keyglyph'>]</span>
<a name="line-105"></a> <span class='hs-varid'>simplify</span> <span class='hs-layout'>(</span><span class='hs-conid'>AppTy</span> <span class='hs-varid'>t1</span> <span class='hs-varid'>t2</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>SimpleType</span> <span class='hs-varid'>s</span> <span class='hs-layout'>(</span><span class='hs-varid'>ts</span> <span class='hs-varop'>++</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>simplify</span> <span class='hs-varid'>t2</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span>
<a name="line-106"></a> <span class='hs-keyword'>where</span> <span class='hs-layout'>(</span><span class='hs-conid'>SimpleType</span> <span class='hs-varid'>s</span> <span class='hs-varid'>ts</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>simplify</span> <span class='hs-varid'>t1</span>
<a name="line-107"></a> <span class='hs-varid'>simplify</span> <span class='hs-layout'>(</span><span class='hs-conid'>TyVarTy</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>SimpleType</span> <span class='hs-layout'>(</span><span class='hs-varid'>tyVarName</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span> <span class='hs-conid'>[]</span>
<a name="line-108"></a> <span class='hs-varid'>simplify</span> <span class='hs-layout'>(</span><span class='hs-conid'>TyConApp</span> <span class='hs-varid'>tc</span> <span class='hs-varid'>ts</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>SimpleType</span> <span class='hs-layout'>(</span><span class='hs-varid'>tyConName</span> <span class='hs-varid'>tc</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>map</span> <span class='hs-varid'>simplify</span> <span class='hs-varid'>ts</span><span class='hs-layout'>)</span>
<a name="line-109"></a> <span class='hs-varid'>simplify</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>error</span> <span class='hs-str'>"simplify"</span>
<a name="line-110"></a>
<a name="line-111"></a>
<a name="line-112"></a><a name="sortImage"></a><span class='hs-comment'>-- sortImage f = sortBy (\x y -> compare (f x) (f y))</span>
<a name="line-113"></a><span class='hs-definition'>sortImage</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Ord</span> <span class='hs-varid'>b</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'>b</span><span class='hs-layout'>)</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-keyglyph'>[</span><span class='hs-varid'>a</span><span class='hs-keyglyph'>]</span>
<a name="line-114"></a><span class='hs-definition'>sortImage</span> <span class='hs-varid'>f</span> <span class='hs-varid'>xs</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>map</span> <span class='hs-varid'>snd</span> <span class='hs-varop'>$</span> <span class='hs-varid'>sortBy</span> <span class='hs-varid'>cmp_fst</span> <span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-varid'>f</span> <span class='hs-varid'>x</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-varid'>x</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>xs</span><span class='hs-keyglyph'>]</span>
<a name="line-115"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>cmp_fst</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span><span class='hs-layout'>,</span><span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>y</span><span class='hs-layout'>,</span><span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>compare</span> <span class='hs-varid'>x</span> <span class='hs-varid'>y</span>
<a name="line-116"></a>
<a name="line-117"></a>
<a name="line-118"></a><a name="funTyConName"></a><span class='hs-definition'>funTyConName</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Name</span>
<a name="line-119"></a><span class='hs-definition'>funTyConName</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>mkWiredInName</span> <span class='hs-varid'>gHC_PRIM</span>
<a name="line-120"></a> <span class='hs-layout'>(</span><span class='hs-varid'>mkOccNameFS</span> <span class='hs-varid'>tcName</span> <span class='hs-conid'>FSLIT</span><span class='hs-layout'>(</span><span class='hs-str'>"(->)"</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-121"></a> <span class='hs-varid'>funTyConKey</span>
<a name="line-122"></a> <span class='hs-layout'>(</span><span class='hs-conid'>ATyCon</span> <span class='hs-varid'>funTyCon</span><span class='hs-layout'>)</span> <span class='hs-comment'>-- Relevant TyCon</span>
<a name="line-123"></a> <span class='hs-conid'>BuiltInSyntax</span>
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