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ghc-hamlet-devel-0.8.2.1-2.fc14.i686.rpm

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<pre><a name="line-1"></a><span class='hs-comment'>{-# LANGUAGE FlexibleContexts #-}</span>
<a name="line-2"></a><span class='hs-comment'>{-# LANGUAGE DeriveDataTypeable #-}</span>
<a name="line-3"></a><span class='hs-comment'>-- | Most everything exported here is exported also by "Text.Hamlet". The</span>
<a name="line-4"></a><span class='hs-comment'>-- exceptions to that rule should not be necessary for normal usage.</span>
<a name="line-5"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>Text</span><span class='hs-varop'>.</span><span class='hs-conid'>Hamlet</span><span class='hs-varop'>.</span><span class='hs-conid'>RT</span>
<a name="line-6"></a>    <span class='hs-layout'>(</span> <span class='hs-comment'>-- * Public API</span>
<a name="line-7"></a>      <span class='hs-conid'>HamletRT</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span>
<a name="line-8"></a>    <span class='hs-layout'>,</span> <span class='hs-conid'>HamletData</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span>
<a name="line-9"></a>    <span class='hs-layout'>,</span> <span class='hs-conid'>HamletMap</span>
<a name="line-10"></a>    <span class='hs-layout'>,</span> <span class='hs-conid'>HamletException</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span>
<a name="line-11"></a>    <span class='hs-layout'>,</span> <span class='hs-varid'>parseHamletRT</span>
<a name="line-12"></a>    <span class='hs-layout'>,</span> <span class='hs-varid'>renderHamletRT</span>
<a name="line-13"></a>    <span class='hs-layout'>,</span> <span class='hs-varid'>renderHamletRT'</span>
<a name="line-14"></a>    <span class='hs-layout'>,</span> <span class='hs-conid'>SimpleDoc</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span>
<a name="line-15"></a>    <span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-16"></a>
<a name="line-17"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Text</span><span class='hs-varop'>.</span><span class='hs-conid'>Shakespeare</span>
<a name="line-18"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Monoid</span> <span class='hs-layout'>(</span><span class='hs-varid'>mconcat</span><span class='hs-layout'>)</span>
<a name="line-19"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Monad</span> <span class='hs-layout'>(</span><span class='hs-varid'>liftM</span><span class='hs-layout'>,</span> <span class='hs-varid'>forM</span><span class='hs-layout'>)</span>
<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'>Exception</span> <span class='hs-layout'>(</span><span class='hs-conid'>Exception</span><span class='hs-layout'>)</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'>Typeable</span> <span class='hs-layout'>(</span><span class='hs-conid'>Typeable</span><span class='hs-layout'>)</span>
<a name="line-22"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Failure</span>
<a name="line-23"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Text</span><span class='hs-varop'>.</span><span class='hs-conid'>Hamlet</span><span class='hs-varop'>.</span><span class='hs-conid'>Parse</span>
<a name="line-24"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Text</span><span class='hs-varop'>.</span><span class='hs-conid'>Hamlet</span><span class='hs-varop'>.</span><span class='hs-conid'>Quasi</span> <span class='hs-layout'>(</span><span class='hs-conid'>Html</span><span class='hs-layout'>)</span>
<a name="line-25"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>List</span> <span class='hs-layout'>(</span><span class='hs-varid'>intercalate</span><span class='hs-layout'>)</span>
<a name="line-26"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Text</span><span class='hs-varop'>.</span><span class='hs-conid'>Blaze</span> <span class='hs-layout'>(</span><span class='hs-varid'>preEscapedString</span><span class='hs-layout'>,</span> <span class='hs-varid'>preEscapedText</span><span class='hs-layout'>)</span>
<a name="line-27"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Text</span> <span class='hs-layout'>(</span><span class='hs-conid'>Text</span><span class='hs-layout'>)</span>
<a name="line-28"></a>
<a name="line-29"></a><a name="HamletMap"></a><span class='hs-keyword'>type</span> <span class='hs-conid'>HamletMap</span> <span class='hs-varid'>url</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>[</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-layout'>,</span> <span class='hs-conid'>HamletData</span> <span class='hs-varid'>url</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span>
<a name="line-30"></a>
<a name="line-31"></a><a name="HamletData"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>HamletData</span> <span class='hs-varid'>url</span>
<a name="line-32"></a>    <span class='hs-keyglyph'>=</span> <span class='hs-conid'>HDHtml</span> <span class='hs-conid'>Html</span>
<a name="line-33"></a>    <span class='hs-keyglyph'>|</span> <span class='hs-conid'>HDUrl</span> <span class='hs-varid'>url</span>
<a name="line-34"></a>    <span class='hs-keyglyph'>|</span> <span class='hs-conid'>HDUrlParams</span> <span class='hs-varid'>url</span> <span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-conid'>Text</span><span class='hs-layout'>,</span> <span class='hs-conid'>Text</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span>
<a name="line-35"></a>    <span class='hs-keyglyph'>|</span> <span class='hs-conid'>HDTemplate</span> <span class='hs-conid'>HamletRT</span>
<a name="line-36"></a>    <span class='hs-keyglyph'>|</span> <span class='hs-conid'>HDBool</span> <span class='hs-conid'>Bool</span>
<a name="line-37"></a>    <span class='hs-keyglyph'>|</span> <span class='hs-conid'>HDMaybe</span> <span class='hs-layout'>(</span><span class='hs-conid'>Maybe</span> <span class='hs-layout'>(</span><span class='hs-conid'>HamletMap</span> <span class='hs-varid'>url</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-38"></a>    <span class='hs-keyglyph'>|</span> <span class='hs-conid'>HDList</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>HamletMap</span> <span class='hs-varid'>url</span><span class='hs-keyglyph'>]</span>
<a name="line-39"></a>
<a name="line-40"></a><a name="SimpleDoc"></a><span class='hs-comment'>-- FIXME switch to Text?</span>
<a name="line-41"></a><a name="SimpleDoc"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>SimpleDoc</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>SDRaw</span> <span class='hs-conid'>String</span>
<a name="line-42"></a>               <span class='hs-keyglyph'>|</span> <span class='hs-conid'>SDVar</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>String</span><span class='hs-keyglyph'>]</span>
<a name="line-43"></a>               <span class='hs-keyglyph'>|</span> <span class='hs-conid'>SDUrl</span> <span class='hs-conid'>Bool</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>String</span><span class='hs-keyglyph'>]</span>
<a name="line-44"></a>               <span class='hs-keyglyph'>|</span> <span class='hs-conid'>SDTemplate</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>String</span><span class='hs-keyglyph'>]</span>
<a name="line-45"></a>               <span class='hs-keyglyph'>|</span> <span class='hs-conid'>SDForall</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>String</span><span class='hs-keyglyph'>]</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>SimpleDoc</span><span class='hs-keyglyph'>]</span>
<a name="line-46"></a>               <span class='hs-keyglyph'>|</span> <span class='hs-conid'>SDMaybe</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>String</span><span class='hs-keyglyph'>]</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>SimpleDoc</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>SimpleDoc</span><span class='hs-keyglyph'>]</span>
<a name="line-47"></a>               <span class='hs-keyglyph'>|</span> <span class='hs-conid'>SDCond</span> <span class='hs-keyglyph'>[</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-layout'>,</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>SimpleDoc</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>SimpleDoc</span><span class='hs-keyglyph'>]</span>
<a name="line-48"></a>
<a name="line-49"></a><a name="HamletRT"></a><span class='hs-keyword'>newtype</span> <span class='hs-conid'>HamletRT</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>HamletRT</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>SimpleDoc</span><span class='hs-keyglyph'>]</span>
<a name="line-50"></a>
<a name="line-51"></a><a name="HamletException"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>HamletException</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>HamletParseException</span> <span class='hs-conid'>String</span>
<a name="line-52"></a>                     <span class='hs-keyglyph'>|</span> <span class='hs-conid'>HamletUnsupportedDocException</span> <span class='hs-conid'>Doc</span>
<a name="line-53"></a>                     <span class='hs-keyglyph'>|</span> <span class='hs-conid'>HamletRenderException</span> <span class='hs-conid'>String</span>
<a name="line-54"></a>    <span class='hs-keyword'>deriving</span> <span class='hs-layout'>(</span><span class='hs-conid'>Show</span><span class='hs-layout'>,</span> <span class='hs-conid'>Typeable</span><span class='hs-layout'>)</span>
<a name="line-55"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Exception</span> <span class='hs-conid'>HamletException</span>
<a name="line-56"></a>
<a name="line-57"></a><a name="parseHamletRT"></a><span class='hs-definition'>parseHamletRT</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Failure</span> <span class='hs-conid'>HamletException</span> <span class='hs-varid'>m</span>
<a name="line-58"></a>              <span class='hs-keyglyph'>=&gt;</span> <span class='hs-conid'>HamletSettings</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>m</span> <span class='hs-conid'>HamletRT</span>
<a name="line-59"></a><span class='hs-definition'>parseHamletRT</span> <span class='hs-varid'>set</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span>
<a name="line-60"></a>    <span class='hs-keyword'>case</span> <span class='hs-varid'>parseDoc</span> <span class='hs-varid'>set</span> <span class='hs-varid'>s</span> <span class='hs-keyword'>of</span>
<a name="line-61"></a>        <span class='hs-conid'>Error</span> <span class='hs-varid'>s'</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>failure</span> <span class='hs-varop'>$</span> <span class='hs-conid'>HamletParseException</span> <span class='hs-varid'>s'</span>
<a name="line-62"></a>        <span class='hs-conid'>Ok</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>liftM</span> <span class='hs-conid'>HamletRT</span> <span class='hs-varop'>$</span> <span class='hs-varid'>mapM</span> <span class='hs-varid'>convert</span> <span class='hs-varid'>x</span>
<a name="line-63"></a>  <span class='hs-keyword'>where</span>
<a name="line-64"></a>    <span class='hs-varid'>convert</span> <span class='hs-varid'>x</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>DocForall</span> <span class='hs-varid'>deref</span> <span class='hs-layout'>(</span><span class='hs-conid'>Ident</span> <span class='hs-varid'>ident</span><span class='hs-layout'>)</span> <span class='hs-varid'>docs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-65"></a>        <span class='hs-varid'>deref'</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>flattenDeref'</span> <span class='hs-varid'>x</span> <span class='hs-varid'>deref</span>
<a name="line-66"></a>        <span class='hs-varid'>docs'</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>mapM</span> <span class='hs-varid'>convert</span> <span class='hs-varid'>docs</span>
<a name="line-67"></a>        <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>SDForall</span> <span class='hs-varid'>deref'</span> <span class='hs-varid'>ident</span> <span class='hs-varid'>docs'</span>
<a name="line-68"></a>    <span class='hs-varid'>convert</span> <span class='hs-varid'>x</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>DocMaybe</span> <span class='hs-varid'>deref</span> <span class='hs-layout'>(</span><span class='hs-conid'>Ident</span> <span class='hs-varid'>ident</span><span class='hs-layout'>)</span> <span class='hs-varid'>jdocs</span> <span class='hs-varid'>ndocs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-69"></a>        <span class='hs-varid'>deref'</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>flattenDeref'</span> <span class='hs-varid'>x</span> <span class='hs-varid'>deref</span>
<a name="line-70"></a>        <span class='hs-varid'>jdocs'</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>mapM</span> <span class='hs-varid'>convert</span> <span class='hs-varid'>jdocs</span>
<a name="line-71"></a>        <span class='hs-varid'>ndocs'</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>maybe</span> <span class='hs-layout'>(</span><span class='hs-varid'>return</span> <span class='hs-conid'>[]</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>mapM</span> <span class='hs-varid'>convert</span><span class='hs-layout'>)</span> <span class='hs-varid'>ndocs</span>
<a name="line-72"></a>        <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>SDMaybe</span> <span class='hs-varid'>deref'</span> <span class='hs-varid'>ident</span> <span class='hs-varid'>jdocs'</span> <span class='hs-varid'>ndocs'</span>
<a name="line-73"></a>    <span class='hs-varid'>convert</span> <span class='hs-layout'>(</span><span class='hs-conid'>DocContent</span> <span class='hs-layout'>(</span><span class='hs-conid'>ContentRaw</span> <span class='hs-varid'>s'</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>SDRaw</span> <span class='hs-varid'>s'</span>
<a name="line-74"></a>    <span class='hs-varid'>convert</span> <span class='hs-varid'>x</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>DocContent</span> <span class='hs-layout'>(</span><span class='hs-conid'>ContentVar</span> <span class='hs-varid'>deref</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-75"></a>        <span class='hs-varid'>y</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>flattenDeref'</span> <span class='hs-varid'>x</span> <span class='hs-varid'>deref</span>
<a name="line-76"></a>        <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>SDVar</span> <span class='hs-varid'>y</span>
<a name="line-77"></a>    <span class='hs-varid'>convert</span> <span class='hs-varid'>x</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>DocContent</span> <span class='hs-layout'>(</span><span class='hs-conid'>ContentUrl</span> <span class='hs-varid'>p</span> <span class='hs-varid'>deref</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-78"></a>        <span class='hs-varid'>y</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>flattenDeref'</span> <span class='hs-varid'>x</span> <span class='hs-varid'>deref</span>
<a name="line-79"></a>        <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>SDUrl</span> <span class='hs-varid'>p</span> <span class='hs-varid'>y</span>
<a name="line-80"></a>    <span class='hs-varid'>convert</span> <span class='hs-varid'>x</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>DocContent</span> <span class='hs-layout'>(</span><span class='hs-conid'>ContentEmbed</span> <span class='hs-varid'>deref</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-81"></a>        <span class='hs-varid'>y</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>flattenDeref'</span> <span class='hs-varid'>x</span> <span class='hs-varid'>deref</span>
<a name="line-82"></a>        <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>SDTemplate</span> <span class='hs-varid'>y</span>
<a name="line-83"></a>    <span class='hs-varid'>convert</span> <span class='hs-varid'>x</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>DocCond</span> <span class='hs-varid'>conds</span> <span class='hs-varid'>els</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-84"></a>        <span class='hs-varid'>conds'</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>mapM</span> <span class='hs-varid'>go</span> <span class='hs-varid'>conds</span>
<a name="line-85"></a>        <span class='hs-varid'>els'</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>maybe</span> <span class='hs-layout'>(</span><span class='hs-varid'>return</span> <span class='hs-conid'>[]</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>mapM</span> <span class='hs-varid'>convert</span><span class='hs-layout'>)</span> <span class='hs-varid'>els</span>
<a name="line-86"></a>        <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>SDCond</span> <span class='hs-varid'>conds'</span> <span class='hs-varid'>els'</span>
<a name="line-87"></a>      <span class='hs-keyword'>where</span>
<a name="line-88"></a>        <span class='hs-varid'>go</span> <span class='hs-layout'>(</span><span class='hs-varid'>deref</span><span class='hs-layout'>,</span> <span class='hs-varid'>docs'</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-89"></a>            <span class='hs-varid'>deref'</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>flattenDeref'</span> <span class='hs-varid'>x</span> <span class='hs-varid'>deref</span>
<a name="line-90"></a>            <span class='hs-varid'>docs''</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>mapM</span> <span class='hs-varid'>convert</span> <span class='hs-varid'>docs'</span>
<a name="line-91"></a>            <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>deref'</span><span class='hs-layout'>,</span> <span class='hs-varid'>docs''</span><span class='hs-layout'>)</span>
<a name="line-92"></a>
<a name="line-93"></a><a name="renderHamletRT"></a><span class='hs-definition'>renderHamletRT</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Failure</span> <span class='hs-conid'>HamletException</span> <span class='hs-varid'>m</span>
<a name="line-94"></a>               <span class='hs-keyglyph'>=&gt;</span> <span class='hs-conid'>HamletRT</span>
<a name="line-95"></a>               <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>HamletMap</span> <span class='hs-varid'>url</span>
<a name="line-96"></a>               <span class='hs-keyglyph'>-&gt;</span> <span class='hs-layout'>(</span><span class='hs-varid'>url</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-conid'>Text</span><span class='hs-layout'>,</span> <span class='hs-conid'>Text</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Text</span><span class='hs-layout'>)</span>
<a name="line-97"></a>               <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>m</span> <span class='hs-conid'>Html</span>
<a name="line-98"></a><span class='hs-definition'>renderHamletRT</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>renderHamletRT'</span> <span class='hs-conid'>False</span>
<a name="line-99"></a>
<a name="line-100"></a><a name="renderHamletRT'"></a><span class='hs-definition'>renderHamletRT'</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Failure</span> <span class='hs-conid'>HamletException</span> <span class='hs-varid'>m</span>
<a name="line-101"></a>                <span class='hs-keyglyph'>=&gt;</span> <span class='hs-conid'>Bool</span>
<a name="line-102"></a>                <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>HamletRT</span>
<a name="line-103"></a>                <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>HamletMap</span> <span class='hs-varid'>url</span>
<a name="line-104"></a>                <span class='hs-keyglyph'>-&gt;</span> <span class='hs-layout'>(</span><span class='hs-varid'>url</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-conid'>Text</span><span class='hs-layout'>,</span> <span class='hs-conid'>Text</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Text</span><span class='hs-layout'>)</span>
<a name="line-105"></a>                <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>m</span> <span class='hs-conid'>Html</span>
<a name="line-106"></a><span class='hs-definition'>renderHamletRT'</span> <span class='hs-varid'>tempAsHtml</span> <span class='hs-layout'>(</span><span class='hs-conid'>HamletRT</span> <span class='hs-varid'>docs</span><span class='hs-layout'>)</span> <span class='hs-varid'>scope0</span> <span class='hs-varid'>renderUrl</span> <span class='hs-keyglyph'>=</span>
<a name="line-107"></a>    <span class='hs-varid'>liftM</span> <span class='hs-varid'>mconcat</span> <span class='hs-varop'>$</span> <span class='hs-varid'>mapM</span> <span class='hs-layout'>(</span><span class='hs-varid'>go</span> <span class='hs-varid'>scope0</span><span class='hs-layout'>)</span> <span class='hs-varid'>docs</span>
<a name="line-108"></a>  <span class='hs-keyword'>where</span>
<a name="line-109"></a>    <span class='hs-varid'>go</span> <span class='hs-keyword'>_</span> <span class='hs-layout'>(</span><span class='hs-conid'>SDRaw</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-varid'>preEscapedString</span> <span class='hs-varid'>s</span>
<a name="line-110"></a>    <span class='hs-varid'>go</span> <span class='hs-varid'>scope</span> <span class='hs-layout'>(</span><span class='hs-conid'>SDVar</span> <span class='hs-varid'>n</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-111"></a>        <span class='hs-varid'>v</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>lookup'</span> <span class='hs-varid'>n</span> <span class='hs-varid'>n</span> <span class='hs-varid'>scope</span>
<a name="line-112"></a>        <span class='hs-keyword'>case</span> <span class='hs-varid'>v</span> <span class='hs-keyword'>of</span>
<a name="line-113"></a>            <span class='hs-conid'>HDHtml</span> <span class='hs-varid'>h</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>return</span> <span class='hs-varid'>h</span>
<a name="line-114"></a>            <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>fa</span> <span class='hs-varop'>$</span> <span class='hs-varid'>showName</span> <span class='hs-varid'>n</span> <span class='hs-varop'>++</span> <span class='hs-str'>": expected HDHtml"</span>
<a name="line-115"></a>    <span class='hs-varid'>go</span> <span class='hs-varid'>scope</span> <span class='hs-layout'>(</span><span class='hs-conid'>SDUrl</span> <span class='hs-varid'>p</span> <span class='hs-varid'>n</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-116"></a>        <span class='hs-varid'>v</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>lookup'</span> <span class='hs-varid'>n</span> <span class='hs-varid'>n</span> <span class='hs-varid'>scope</span>
<a name="line-117"></a>        <span class='hs-keyword'>case</span> <span class='hs-layout'>(</span><span class='hs-varid'>p</span><span class='hs-layout'>,</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span> <span class='hs-keyword'>of</span>
<a name="line-118"></a>            <span class='hs-layout'>(</span><span class='hs-conid'>False</span><span class='hs-layout'>,</span> <span class='hs-conid'>HDUrl</span> <span class='hs-varid'>u</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-varid'>preEscapedText</span> <span class='hs-varop'>$</span> <span class='hs-varid'>renderUrl</span> <span class='hs-varid'>u</span> <span class='hs-conid'>[]</span>
<a name="line-119"></a>            <span class='hs-layout'>(</span><span class='hs-conid'>True</span><span class='hs-layout'>,</span> <span class='hs-conid'>HDUrlParams</span> <span class='hs-varid'>u</span> <span class='hs-varid'>q</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span>
<a name="line-120"></a>                <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-varid'>preEscapedText</span> <span class='hs-varop'>$</span> <span class='hs-varid'>renderUrl</span> <span class='hs-varid'>u</span> <span class='hs-varid'>q</span>
<a name="line-121"></a>            <span class='hs-layout'>(</span><span class='hs-conid'>False</span><span class='hs-layout'>,</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>fa</span> <span class='hs-varop'>$</span> <span class='hs-varid'>showName</span> <span class='hs-varid'>n</span> <span class='hs-varop'>++</span> <span class='hs-str'>": expected HDUrl"</span>
<a name="line-122"></a>            <span class='hs-layout'>(</span><span class='hs-conid'>True</span><span class='hs-layout'>,</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>fa</span> <span class='hs-varop'>$</span> <span class='hs-varid'>showName</span> <span class='hs-varid'>n</span> <span class='hs-varop'>++</span> <span class='hs-str'>": expected HDUrlParams"</span>
<a name="line-123"></a>    <span class='hs-varid'>go</span> <span class='hs-varid'>scope</span> <span class='hs-layout'>(</span><span class='hs-conid'>SDTemplate</span> <span class='hs-varid'>n</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-124"></a>        <span class='hs-varid'>v</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>lookup'</span> <span class='hs-varid'>n</span> <span class='hs-varid'>n</span> <span class='hs-varid'>scope</span>
<a name="line-125"></a>        <span class='hs-keyword'>case</span> <span class='hs-layout'>(</span><span class='hs-varid'>tempAsHtml</span><span class='hs-layout'>,</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span> <span class='hs-keyword'>of</span>
<a name="line-126"></a>            <span class='hs-layout'>(</span><span class='hs-conid'>False</span><span class='hs-layout'>,</span> <span class='hs-conid'>HDTemplate</span> <span class='hs-varid'>h</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>renderHamletRT'</span> <span class='hs-varid'>tempAsHtml</span> <span class='hs-varid'>h</span> <span class='hs-varid'>scope</span> <span class='hs-varid'>renderUrl</span>
<a name="line-127"></a>            <span class='hs-layout'>(</span><span class='hs-conid'>False</span><span class='hs-layout'>,</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>fa</span> <span class='hs-varop'>$</span> <span class='hs-varid'>showName</span> <span class='hs-varid'>n</span> <span class='hs-varop'>++</span> <span class='hs-str'>": expected HDTemplate"</span>
<a name="line-128"></a>            <span class='hs-layout'>(</span><span class='hs-conid'>True</span><span class='hs-layout'>,</span> <span class='hs-conid'>HDHtml</span> <span class='hs-varid'>h</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>return</span> <span class='hs-varid'>h</span>
<a name="line-129"></a>            <span class='hs-layout'>(</span><span class='hs-conid'>True</span><span class='hs-layout'>,</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>fa</span> <span class='hs-varop'>$</span> <span class='hs-varid'>showName</span> <span class='hs-varid'>n</span> <span class='hs-varop'>++</span> <span class='hs-str'>": expected HDHtml"</span>
<a name="line-130"></a>    <span class='hs-varid'>go</span> <span class='hs-varid'>scope</span> <span class='hs-layout'>(</span><span class='hs-conid'>SDForall</span> <span class='hs-varid'>n</span> <span class='hs-varid'>ident</span> <span class='hs-varid'>docs'</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-131"></a>        <span class='hs-varid'>v</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>lookup'</span> <span class='hs-varid'>n</span> <span class='hs-varid'>n</span> <span class='hs-varid'>scope</span>
<a name="line-132"></a>        <span class='hs-keyword'>case</span> <span class='hs-varid'>v</span> <span class='hs-keyword'>of</span>
<a name="line-133"></a>            <span class='hs-conid'>HDList</span> <span class='hs-varid'>os</span> <span class='hs-keyglyph'>-&gt;</span>
<a name="line-134"></a>                <span class='hs-varid'>liftM</span> <span class='hs-varid'>mconcat</span> <span class='hs-varop'>$</span> <span class='hs-varid'>forM</span> <span class='hs-varid'>os</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>o</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-keyword'>do</span>
<a name="line-135"></a>                    <span class='hs-keyword'>let</span> <span class='hs-varid'>scope'</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>map</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-layout'>(</span><span class='hs-varid'>x</span><span class='hs-layout'>,</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-layout'>(</span><span class='hs-varid'>ident</span> <span class='hs-conop'>:</span> <span class='hs-varid'>x</span><span class='hs-layout'>,</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-varid'>o</span> <span class='hs-varop'>++</span> <span class='hs-varid'>scope</span>
<a name="line-136"></a>                    <span class='hs-varid'>renderHamletRT'</span> <span class='hs-varid'>tempAsHtml</span> <span class='hs-layout'>(</span><span class='hs-conid'>HamletRT</span> <span class='hs-varid'>docs'</span><span class='hs-layout'>)</span> <span class='hs-varid'>scope'</span> <span class='hs-varid'>renderUrl</span>
<a name="line-137"></a>            <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>fa</span> <span class='hs-varop'>$</span> <span class='hs-varid'>showName</span> <span class='hs-varid'>n</span> <span class='hs-varop'>++</span> <span class='hs-str'>": expected HDList"</span>
<a name="line-138"></a>    <span class='hs-varid'>go</span> <span class='hs-varid'>scope</span> <span class='hs-layout'>(</span><span class='hs-conid'>SDMaybe</span> <span class='hs-varid'>n</span> <span class='hs-varid'>ident</span> <span class='hs-varid'>jdocs</span> <span class='hs-varid'>ndocs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-139"></a>        <span class='hs-varid'>v</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>lookup'</span> <span class='hs-varid'>n</span> <span class='hs-varid'>n</span> <span class='hs-varid'>scope</span>
<a name="line-140"></a>        <span class='hs-layout'>(</span><span class='hs-varid'>scope'</span><span class='hs-layout'>,</span> <span class='hs-varid'>docs'</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>&lt;-</span>
<a name="line-141"></a>            <span class='hs-keyword'>case</span> <span class='hs-varid'>v</span> <span class='hs-keyword'>of</span>
<a name="line-142"></a>                <span class='hs-conid'>HDMaybe</span> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>scope</span><span class='hs-layout'>,</span> <span class='hs-varid'>ndocs</span><span class='hs-layout'>)</span>
<a name="line-143"></a>                <span class='hs-conid'>HDMaybe</span> <span class='hs-layout'>(</span><span class='hs-conid'>Just</span> <span class='hs-varid'>o</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-keyword'>do</span>
<a name="line-144"></a>                    <span class='hs-keyword'>let</span> <span class='hs-varid'>scope'</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>map</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-layout'>(</span><span class='hs-varid'>x</span><span class='hs-layout'>,</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-layout'>(</span><span class='hs-varid'>ident</span> <span class='hs-conop'>:</span> <span class='hs-varid'>x</span><span class='hs-layout'>,</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-varid'>o</span> <span class='hs-varop'>++</span> <span class='hs-varid'>scope</span>
<a name="line-145"></a>                    <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>scope'</span><span class='hs-layout'>,</span> <span class='hs-varid'>jdocs</span><span class='hs-layout'>)</span>
<a name="line-146"></a>                <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>fa</span> <span class='hs-varop'>$</span> <span class='hs-varid'>showName</span> <span class='hs-varid'>n</span> <span class='hs-varop'>++</span> <span class='hs-str'>": expected HDMaybe"</span>
<a name="line-147"></a>        <span class='hs-varid'>renderHamletRT'</span> <span class='hs-varid'>tempAsHtml</span> <span class='hs-layout'>(</span><span class='hs-conid'>HamletRT</span> <span class='hs-varid'>docs'</span><span class='hs-layout'>)</span> <span class='hs-varid'>scope'</span> <span class='hs-varid'>renderUrl</span>
<a name="line-148"></a>    <span class='hs-varid'>go</span> <span class='hs-varid'>scope</span> <span class='hs-layout'>(</span><span class='hs-conid'>SDCond</span> <span class='hs-conid'>[]</span> <span class='hs-varid'>docs'</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span>
<a name="line-149"></a>        <span class='hs-varid'>renderHamletRT'</span> <span class='hs-varid'>tempAsHtml</span> <span class='hs-layout'>(</span><span class='hs-conid'>HamletRT</span> <span class='hs-varid'>docs'</span><span class='hs-layout'>)</span> <span class='hs-varid'>scope</span> <span class='hs-varid'>renderUrl</span>
<a name="line-150"></a>    <span class='hs-varid'>go</span> <span class='hs-varid'>scope</span> <span class='hs-layout'>(</span><span class='hs-conid'>SDCond</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-varid'>b</span><span class='hs-layout'>,</span> <span class='hs-varid'>docs'</span><span class='hs-layout'>)</span><span class='hs-conop'>:</span><span class='hs-varid'>cs</span><span class='hs-layout'>)</span> <span class='hs-varid'>els</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-151"></a>        <span class='hs-varid'>v</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>lookup'</span> <span class='hs-varid'>b</span> <span class='hs-varid'>b</span> <span class='hs-varid'>scope</span>
<a name="line-152"></a>        <span class='hs-keyword'>case</span> <span class='hs-varid'>v</span> <span class='hs-keyword'>of</span>
<a name="line-153"></a>            <span class='hs-conid'>HDBool</span> <span class='hs-conid'>True</span> <span class='hs-keyglyph'>-&gt;</span>
<a name="line-154"></a>                <span class='hs-varid'>renderHamletRT'</span> <span class='hs-varid'>tempAsHtml</span> <span class='hs-layout'>(</span><span class='hs-conid'>HamletRT</span> <span class='hs-varid'>docs'</span><span class='hs-layout'>)</span> <span class='hs-varid'>scope</span> <span class='hs-varid'>renderUrl</span>
<a name="line-155"></a>            <span class='hs-conid'>HDBool</span> <span class='hs-conid'>False</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>go</span> <span class='hs-varid'>scope</span> <span class='hs-layout'>(</span><span class='hs-conid'>SDCond</span> <span class='hs-varid'>cs</span> <span class='hs-varid'>els</span><span class='hs-layout'>)</span>
<a name="line-156"></a>            <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>fa</span> <span class='hs-varop'>$</span> <span class='hs-varid'>showName</span> <span class='hs-varid'>b</span> <span class='hs-varop'>++</span> <span class='hs-str'>": expected HDBool"</span>
<a name="line-157"></a>    <span class='hs-varid'>lookup'</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Failure</span> <span class='hs-conid'>HamletException</span> <span class='hs-varid'>m</span>
<a name="line-158"></a>            <span class='hs-keyglyph'>=&gt;</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>String</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>String</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>HamletMap</span> <span class='hs-varid'>url</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>m</span> <span class='hs-layout'>(</span><span class='hs-conid'>HamletData</span> <span class='hs-varid'>url</span><span class='hs-layout'>)</span>
<a name="line-159"></a>    <span class='hs-varid'>lookup'</span> <span class='hs-varid'>orig</span> <span class='hs-varid'>k</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=</span>
<a name="line-160"></a>        <span class='hs-keyword'>case</span> <span class='hs-varid'>lookup</span> <span class='hs-varid'>k</span> <span class='hs-varid'>m</span> <span class='hs-keyword'>of</span>
<a name="line-161"></a>            <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>fa</span> <span class='hs-varop'>$</span> <span class='hs-varid'>showName</span> <span class='hs-varid'>orig</span> <span class='hs-varop'>++</span> <span class='hs-str'>": not found"</span>
<a name="line-162"></a>            <span class='hs-conid'>Just</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>return</span> <span class='hs-varid'>x</span>
<a name="line-163"></a>
<a name="line-164"></a><a name="fa"></a><span class='hs-definition'>fa</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Failure</span> <span class='hs-conid'>HamletException</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=&gt;</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>m</span> <span class='hs-varid'>a</span>
<a name="line-165"></a><span class='hs-definition'>fa</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>failure</span> <span class='hs-varop'>.</span> <span class='hs-conid'>HamletRenderException</span>
<a name="line-166"></a>
<a name="line-167"></a><a name="showName"></a><span class='hs-definition'>showName</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>String</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>String</span>
<a name="line-168"></a><span class='hs-definition'>showName</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>intercalate</span> <span class='hs-str'>"."</span> <span class='hs-varop'>.</span> <span class='hs-varid'>reverse</span>
<a name="line-169"></a>
<a name="line-170"></a><a name="flattenDeref'"></a><span class='hs-definition'>flattenDeref'</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Failure</span> <span class='hs-conid'>HamletException</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=&gt;</span> <span class='hs-conid'>Doc</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Deref</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>String</span><span class='hs-keyglyph'>]</span>
<a name="line-171"></a><span class='hs-definition'>flattenDeref'</span> <span class='hs-varid'>orig</span> <span class='hs-varid'>deref</span> <span class='hs-keyglyph'>=</span>
<a name="line-172"></a>    <span class='hs-keyword'>case</span> <span class='hs-varid'>flattenDeref</span> <span class='hs-varid'>deref</span> <span class='hs-keyword'>of</span>
<a name="line-173"></a>        <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>failure</span> <span class='hs-varop'>$</span> <span class='hs-conid'>HamletUnsupportedDocException</span> <span class='hs-varid'>orig</span>
<a name="line-174"></a>        <span class='hs-conid'>Just</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>return</span> <span class='hs-varid'>x</span>
</pre></body>
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