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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'>Agda</span><span class='hs-varop'>.</span><span class='hs-conid'>Syntax</span><span class='hs-varop'>.</span><span class='hs-conid'>Internal</span><span class='hs-varop'>.</span><span class='hs-conid'>Generic</span> <span class='hs-keyword'>where</span>
<a name="line-4"></a>
<a name="line-5"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Applicative</span>
<a name="line-6"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Traversable</span>
<a name="line-7"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Monoid</span>
<a name="line-8"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Foldable</span>
<a name="line-9"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Agda</span><span class='hs-varop'>.</span><span class='hs-conid'>Syntax</span><span class='hs-varop'>.</span><span class='hs-conid'>Common</span>
<a name="line-10"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Agda</span><span class='hs-varop'>.</span><span class='hs-conid'>Syntax</span><span class='hs-varop'>.</span><span class='hs-conid'>Internal</span>
<a name="line-11"></a>
<a name="line-12"></a><span class='hs-cpp'>#include "../../undefined.h"</span>
<a name="line-13"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Agda</span><span class='hs-varop'>.</span><span class='hs-conid'>Utils</span><span class='hs-varop'>.</span><span class='hs-conid'>Impossible</span>
<a name="line-14"></a>
<a name="line-15"></a><span class='hs-keyword'>class</span> <span class='hs-conid'>TermLike</span> <span class='hs-varid'>a</span> <span class='hs-keyword'>where</span>
<a name="line-16"></a> <span class='hs-varid'>traverseTerm</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>Term</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Term</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-varid'>a</span>
<a name="line-17"></a> <span class='hs-varid'>traverseTermM</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>Monad</span> <span class='hs-varid'>m</span><span class='hs-layout'>,</span> <span class='hs-conid'>Applicative</span> <span class='hs-varid'>m</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=></span> <span class='hs-layout'>(</span><span class='hs-conid'>Term</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>m</span> <span class='hs-conid'>Term</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-varid'>m</span> <span class='hs-varid'>a</span>
<a name="line-18"></a> <span class='hs-varid'>foldTerm</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Monoid</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=></span> <span class='hs-layout'>(</span><span class='hs-conid'>Term</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>m</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-varid'>m</span>
<a name="line-19"></a>
<a name="line-20"></a><a name="instance%20TermLike%20(Arg%20a)"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>TermLike</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>TermLike</span> <span class='hs-layout'>(</span><span class='hs-conid'>Arg</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-21"></a> <span class='hs-varid'>traverseTerm</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fmap</span> <span class='hs-layout'>(</span><span class='hs-varid'>traverseTerm</span> <span class='hs-varid'>f</span><span class='hs-layout'>)</span>
<a name="line-22"></a> <span class='hs-varid'>traverseTermM</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>traverse</span> <span class='hs-layout'>(</span><span class='hs-varid'>traverseTermM</span> <span class='hs-varid'>f</span><span class='hs-layout'>)</span>
<a name="line-23"></a> <span class='hs-varid'>foldTerm</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>foldMap</span> <span class='hs-layout'>(</span><span class='hs-varid'>foldTerm</span> <span class='hs-varid'>f</span><span class='hs-layout'>)</span>
<a name="line-24"></a>
<a name="line-25"></a><a name="instance%20TermLike%20(Dom%20a)"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>TermLike</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>TermLike</span> <span class='hs-layout'>(</span><span class='hs-conid'>Dom</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-26"></a> <span class='hs-varid'>traverseTerm</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fmap</span> <span class='hs-layout'>(</span><span class='hs-varid'>traverseTerm</span> <span class='hs-varid'>f</span><span class='hs-layout'>)</span>
<a name="line-27"></a> <span class='hs-varid'>traverseTermM</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>traverse</span> <span class='hs-layout'>(</span><span class='hs-varid'>traverseTermM</span> <span class='hs-varid'>f</span><span class='hs-layout'>)</span>
<a name="line-28"></a> <span class='hs-varid'>foldTerm</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>foldMap</span> <span class='hs-layout'>(</span><span class='hs-varid'>foldTerm</span> <span class='hs-varid'>f</span><span class='hs-layout'>)</span>
<a name="line-29"></a>
<a name="line-30"></a><a name="instance%20TermLike%20%5ba%5d"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>TermLike</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>TermLike</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>a</span><span class='hs-keyglyph'>]</span> <span class='hs-keyword'>where</span>
<a name="line-31"></a> <span class='hs-varid'>traverseTerm</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fmap</span> <span class='hs-layout'>(</span><span class='hs-varid'>traverseTerm</span> <span class='hs-varid'>f</span><span class='hs-layout'>)</span>
<a name="line-32"></a> <span class='hs-varid'>traverseTermM</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>traverse</span> <span class='hs-layout'>(</span><span class='hs-varid'>traverseTermM</span> <span class='hs-varid'>f</span><span class='hs-layout'>)</span>
<a name="line-33"></a> <span class='hs-varid'>foldTerm</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>foldMap</span> <span class='hs-layout'>(</span><span class='hs-varid'>foldTerm</span> <span class='hs-varid'>f</span><span class='hs-layout'>)</span>
<a name="line-34"></a>
<a name="line-35"></a><a name="instance%20TermLike%20(Maybe%20a)"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>TermLike</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>TermLike</span> <span class='hs-layout'>(</span><span class='hs-conid'>Maybe</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-36"></a> <span class='hs-varid'>traverseTerm</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fmap</span> <span class='hs-layout'>(</span><span class='hs-varid'>traverseTerm</span> <span class='hs-varid'>f</span><span class='hs-layout'>)</span>
<a name="line-37"></a> <span class='hs-varid'>traverseTermM</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>traverse</span> <span class='hs-layout'>(</span><span class='hs-varid'>traverseTermM</span> <span class='hs-varid'>f</span><span class='hs-layout'>)</span>
<a name="line-38"></a> <span class='hs-varid'>foldTerm</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>foldMap</span> <span class='hs-layout'>(</span><span class='hs-varid'>foldTerm</span> <span class='hs-varid'>f</span><span class='hs-layout'>)</span>
<a name="line-39"></a>
<a name="line-40"></a><a name="instance%20TermLike%20(a,%20b)"></a><span class='hs-keyword'>instance</span> <span class='hs-layout'>(</span><span class='hs-conid'>TermLike</span> <span class='hs-varid'>a</span><span class='hs-layout'>,</span> <span class='hs-conid'>TermLike</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>TermLike</span> <span class='hs-layout'>(</span><span class='hs-varid'>a</span><span class='hs-layout'>,</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-41"></a> <span class='hs-varid'>traverseTerm</span> <span class='hs-varid'>f</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'>=</span> <span class='hs-layout'>(</span><span class='hs-varid'>traverseTerm</span> <span class='hs-varid'>f</span> <span class='hs-varid'>x</span><span class='hs-layout'>,</span> <span class='hs-varid'>traverseTerm</span> <span class='hs-varid'>f</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span>
<a name="line-42"></a> <span class='hs-varid'>traverseTermM</span> <span class='hs-varid'>f</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'>=</span> <span class='hs-conid'>(,)</span> <span class='hs-varop'><$></span> <span class='hs-varid'>traverseTermM</span> <span class='hs-varid'>f</span> <span class='hs-varid'>x</span> <span class='hs-varop'><*></span> <span class='hs-varid'>traverseTermM</span> <span class='hs-varid'>f</span> <span class='hs-varid'>y</span>
<a name="line-43"></a> <span class='hs-varid'>foldTerm</span> <span class='hs-varid'>f</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'>=</span> <span class='hs-varid'>foldTerm</span> <span class='hs-varid'>f</span> <span class='hs-varid'>x</span> <span class='hs-varop'>`mappend`</span> <span class='hs-varid'>foldTerm</span> <span class='hs-varid'>f</span> <span class='hs-varid'>y</span>
<a name="line-44"></a>
<a name="line-45"></a><a name="instance%20TermLike%20(Abs%20a)"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>TermLike</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>TermLike</span> <span class='hs-layout'>(</span><span class='hs-conid'>Abs</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-46"></a> <span class='hs-varid'>traverseTerm</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fmap</span> <span class='hs-layout'>(</span><span class='hs-varid'>traverseTerm</span> <span class='hs-varid'>f</span><span class='hs-layout'>)</span>
<a name="line-47"></a> <span class='hs-varid'>traverseTermM</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>traverse</span> <span class='hs-layout'>(</span><span class='hs-varid'>traverseTermM</span> <span class='hs-varid'>f</span><span class='hs-layout'>)</span>
<a name="line-48"></a> <span class='hs-varid'>foldTerm</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>foldMap</span> <span class='hs-layout'>(</span><span class='hs-varid'>foldTerm</span> <span class='hs-varid'>f</span><span class='hs-layout'>)</span>
<a name="line-49"></a>
<a name="line-50"></a><a name="instance%20TermLike%20(Ptr%20a)"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>TermLike</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>TermLike</span> <span class='hs-layout'>(</span><span class='hs-conid'>Ptr</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-51"></a> <span class='hs-varid'>traverseTerm</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fmap</span> <span class='hs-layout'>(</span><span class='hs-varid'>traverseTerm</span> <span class='hs-varid'>f</span><span class='hs-layout'>)</span>
<a name="line-52"></a> <span class='hs-varid'>traverseTermM</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>traverse</span> <span class='hs-layout'>(</span><span class='hs-varid'>traverseTermM</span> <span class='hs-varid'>f</span><span class='hs-layout'>)</span>
<a name="line-53"></a> <span class='hs-varid'>foldTerm</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>foldMap</span> <span class='hs-layout'>(</span><span class='hs-varid'>foldTerm</span> <span class='hs-varid'>f</span><span class='hs-layout'>)</span>
<a name="line-54"></a>
<a name="line-55"></a><a name="instance%20TermLike%20Term"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>TermLike</span> <span class='hs-conid'>Term</span> <span class='hs-keyword'>where</span>
<a name="line-56"></a> <span class='hs-varid'>traverseTerm</span> <span class='hs-varid'>f</span> <span class='hs-varid'>t</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>t</span> <span class='hs-keyword'>of</span>
<a name="line-57"></a> <span class='hs-conid'>Var</span> <span class='hs-varid'>i</span> <span class='hs-varid'>xs</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>f</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Var</span> <span class='hs-varid'>i</span> <span class='hs-varop'>$</span> <span class='hs-varid'>traverseTerm</span> <span class='hs-varid'>f</span> <span class='hs-varid'>xs</span>
<a name="line-58"></a> <span class='hs-conid'>Def</span> <span class='hs-varid'>c</span> <span class='hs-varid'>xs</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>f</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Def</span> <span class='hs-varid'>c</span> <span class='hs-varop'>$</span> <span class='hs-varid'>traverseTerm</span> <span class='hs-varid'>f</span> <span class='hs-varid'>xs</span>
<a name="line-59"></a> <span class='hs-conid'>Con</span> <span class='hs-varid'>c</span> <span class='hs-varid'>xs</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>f</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Con</span> <span class='hs-varid'>c</span> <span class='hs-varop'>$</span> <span class='hs-varid'>traverseTerm</span> <span class='hs-varid'>f</span> <span class='hs-varid'>xs</span>
<a name="line-60"></a> <span class='hs-conid'>Lam</span> <span class='hs-varid'>h</span> <span class='hs-varid'>b</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>f</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Lam</span> <span class='hs-varid'>h</span> <span class='hs-varop'>$</span> <span class='hs-varid'>traverseTerm</span> <span class='hs-varid'>f</span> <span class='hs-varid'>b</span>
<a name="line-61"></a> <span class='hs-conid'>Pi</span> <span class='hs-varid'>a</span> <span class='hs-varid'>b</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>f</span> <span class='hs-varop'>$</span> <span class='hs-varid'>uncurry</span> <span class='hs-conid'>Pi</span> <span class='hs-varop'>$</span> <span class='hs-varid'>traverseTerm</span> <span class='hs-varid'>f</span> <span class='hs-layout'>(</span><span class='hs-varid'>a</span><span class='hs-layout'>,</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span>
<a name="line-62"></a> <span class='hs-conid'>MetaV</span> <span class='hs-varid'>m</span> <span class='hs-varid'>xs</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>f</span> <span class='hs-varop'>$</span> <span class='hs-conid'>MetaV</span> <span class='hs-varid'>m</span> <span class='hs-varop'>$</span> <span class='hs-varid'>traverseTerm</span> <span class='hs-varid'>f</span> <span class='hs-varid'>xs</span>
<a name="line-63"></a> <span class='hs-conid'>Level</span> <span class='hs-varid'>l</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>f</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Level</span> <span class='hs-varop'>$</span> <span class='hs-varid'>traverseTerm</span> <span class='hs-varid'>f</span> <span class='hs-varid'>l</span>
<a name="line-64"></a> <span class='hs-conid'>Lit</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>f</span> <span class='hs-varid'>t</span>
<a name="line-65"></a> <span class='hs-conid'>Sort</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>f</span> <span class='hs-varid'>t</span>
<a name="line-66"></a> <span class='hs-conid'>DontCare</span> <span class='hs-varid'>mv</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>f</span> <span class='hs-varop'>$</span> <span class='hs-conid'>DontCare</span> <span class='hs-varop'>$</span> <span class='hs-varid'>traverseTerm</span> <span class='hs-varid'>f</span> <span class='hs-varid'>mv</span>
<a name="line-67"></a> <span class='hs-conid'>Shared</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>f</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Shared</span> <span class='hs-varop'>$</span> <span class='hs-varid'>traverseTerm</span> <span class='hs-varid'>f</span> <span class='hs-varid'>p</span>
<a name="line-68"></a>
<a name="line-69"></a> <span class='hs-varid'>traverseTermM</span> <span class='hs-varid'>f</span> <span class='hs-varid'>t</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>t</span> <span class='hs-keyword'>of</span>
<a name="line-70"></a> <span class='hs-conid'>Var</span> <span class='hs-varid'>i</span> <span class='hs-varid'>xs</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>f</span> <span class='hs-varop'>=<<</span> <span class='hs-conid'>Var</span> <span class='hs-varid'>i</span> <span class='hs-varop'><$></span> <span class='hs-varid'>traverseTermM</span> <span class='hs-varid'>f</span> <span class='hs-varid'>xs</span>
<a name="line-71"></a> <span class='hs-conid'>Def</span> <span class='hs-varid'>c</span> <span class='hs-varid'>xs</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>f</span> <span class='hs-varop'>=<<</span> <span class='hs-conid'>Def</span> <span class='hs-varid'>c</span> <span class='hs-varop'><$></span> <span class='hs-varid'>traverseTermM</span> <span class='hs-varid'>f</span> <span class='hs-varid'>xs</span>
<a name="line-72"></a> <span class='hs-conid'>Con</span> <span class='hs-varid'>c</span> <span class='hs-varid'>xs</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>f</span> <span class='hs-varop'>=<<</span> <span class='hs-conid'>Con</span> <span class='hs-varid'>c</span> <span class='hs-varop'><$></span> <span class='hs-varid'>traverseTermM</span> <span class='hs-varid'>f</span> <span class='hs-varid'>xs</span>
<a name="line-73"></a> <span class='hs-conid'>Lam</span> <span class='hs-varid'>h</span> <span class='hs-varid'>b</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>f</span> <span class='hs-varop'>=<<</span> <span class='hs-conid'>Lam</span> <span class='hs-varid'>h</span> <span class='hs-varop'><$></span> <span class='hs-varid'>traverseTermM</span> <span class='hs-varid'>f</span> <span class='hs-varid'>b</span>
<a name="line-74"></a> <span class='hs-conid'>Pi</span> <span class='hs-varid'>a</span> <span class='hs-varid'>b</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>f</span> <span class='hs-varop'>=<<</span> <span class='hs-varid'>uncurry</span> <span class='hs-conid'>Pi</span> <span class='hs-varop'><$></span> <span class='hs-varid'>traverseTermM</span> <span class='hs-varid'>f</span> <span class='hs-layout'>(</span><span class='hs-varid'>a</span><span class='hs-layout'>,</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span>
<a name="line-75"></a> <span class='hs-conid'>MetaV</span> <span class='hs-varid'>m</span> <span class='hs-varid'>xs</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>f</span> <span class='hs-varop'>=<<</span> <span class='hs-conid'>MetaV</span> <span class='hs-varid'>m</span> <span class='hs-varop'><$></span> <span class='hs-varid'>traverseTermM</span> <span class='hs-varid'>f</span> <span class='hs-varid'>xs</span>
<a name="line-76"></a> <span class='hs-conid'>Level</span> <span class='hs-varid'>l</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>f</span> <span class='hs-varop'>=<<</span> <span class='hs-conid'>Level</span> <span class='hs-varop'><$></span> <span class='hs-varid'>traverseTermM</span> <span class='hs-varid'>f</span> <span class='hs-varid'>l</span>
<a name="line-77"></a> <span class='hs-conid'>Lit</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>f</span> <span class='hs-varid'>t</span>
<a name="line-78"></a> <span class='hs-conid'>Sort</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>f</span> <span class='hs-varid'>t</span>
<a name="line-79"></a> <span class='hs-conid'>DontCare</span> <span class='hs-varid'>mv</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>f</span> <span class='hs-varop'>=<<</span> <span class='hs-conid'>DontCare</span> <span class='hs-varop'><$></span> <span class='hs-varid'>traverseTermM</span> <span class='hs-varid'>f</span> <span class='hs-varid'>mv</span>
<a name="line-80"></a> <span class='hs-conid'>Shared</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>f</span> <span class='hs-varop'>=<<</span> <span class='hs-conid'>Shared</span> <span class='hs-varop'><$></span> <span class='hs-varid'>traverseTermM</span> <span class='hs-varid'>f</span> <span class='hs-varid'>p</span>
<a name="line-81"></a>
<a name="line-82"></a> <span class='hs-varid'>foldTerm</span> <span class='hs-varid'>f</span> <span class='hs-varid'>t</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>f</span> <span class='hs-varid'>t</span> <span class='hs-varop'>`mappend`</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>t</span> <span class='hs-keyword'>of</span>
<a name="line-83"></a> <span class='hs-conid'>Var</span> <span class='hs-varid'>i</span> <span class='hs-varid'>xs</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>foldTerm</span> <span class='hs-varid'>f</span> <span class='hs-varid'>xs</span>
<a name="line-84"></a> <span class='hs-conid'>Def</span> <span class='hs-varid'>c</span> <span class='hs-varid'>xs</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>foldTerm</span> <span class='hs-varid'>f</span> <span class='hs-varid'>xs</span>
<a name="line-85"></a> <span class='hs-conid'>Con</span> <span class='hs-varid'>c</span> <span class='hs-varid'>xs</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>foldTerm</span> <span class='hs-varid'>f</span> <span class='hs-varid'>xs</span>
<a name="line-86"></a> <span class='hs-conid'>Lam</span> <span class='hs-varid'>h</span> <span class='hs-varid'>b</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>foldTerm</span> <span class='hs-varid'>f</span> <span class='hs-varid'>b</span>
<a name="line-87"></a> <span class='hs-conid'>Pi</span> <span class='hs-varid'>a</span> <span class='hs-varid'>b</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>foldTerm</span> <span class='hs-varid'>f</span> <span class='hs-layout'>(</span><span class='hs-varid'>a</span><span class='hs-layout'>,</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span>
<a name="line-88"></a> <span class='hs-conid'>MetaV</span> <span class='hs-varid'>m</span> <span class='hs-varid'>xs</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>foldTerm</span> <span class='hs-varid'>f</span> <span class='hs-varid'>xs</span>
<a name="line-89"></a> <span class='hs-conid'>Level</span> <span class='hs-varid'>l</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>foldTerm</span> <span class='hs-varid'>f</span> <span class='hs-varid'>l</span>
<a name="line-90"></a> <span class='hs-conid'>Lit</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>mempty</span>
<a name="line-91"></a> <span class='hs-conid'>Sort</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>mempty</span>
<a name="line-92"></a> <span class='hs-conid'>DontCare</span> <span class='hs-varid'>mv</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>foldTerm</span> <span class='hs-varid'>f</span> <span class='hs-varid'>mv</span>
<a name="line-93"></a> <span class='hs-conid'>Shared</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>foldTerm</span> <span class='hs-varid'>f</span> <span class='hs-varid'>p</span>
<a name="line-94"></a>
<a name="line-95"></a><a name="instance%20TermLike%20Level"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>TermLike</span> <span class='hs-conid'>Level</span> <span class='hs-keyword'>where</span>
<a name="line-96"></a> <span class='hs-varid'>traverseTerm</span> <span class='hs-varid'>f</span> <span class='hs-layout'>(</span><span class='hs-conid'>Max</span> <span class='hs-keyword'>as</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Max</span> <span class='hs-varop'>$</span> <span class='hs-varid'>traverseTerm</span> <span class='hs-varid'>f</span> <span class='hs-keyword'>as</span>
<a name="line-97"></a> <span class='hs-varid'>traverseTermM</span> <span class='hs-varid'>f</span> <span class='hs-layout'>(</span><span class='hs-conid'>Max</span> <span class='hs-keyword'>as</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Max</span> <span class='hs-varop'><$></span> <span class='hs-varid'>traverseTermM</span> <span class='hs-varid'>f</span> <span class='hs-keyword'>as</span>
<a name="line-98"></a> <span class='hs-varid'>foldTerm</span> <span class='hs-varid'>f</span> <span class='hs-layout'>(</span><span class='hs-conid'>Max</span> <span class='hs-keyword'>as</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>foldTerm</span> <span class='hs-varid'>f</span> <span class='hs-keyword'>as</span>
<a name="line-99"></a>
<a name="line-100"></a><a name="instance%20TermLike%20PlusLevel"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>TermLike</span> <span class='hs-conid'>PlusLevel</span> <span class='hs-keyword'>where</span>
<a name="line-101"></a> <span class='hs-varid'>traverseTerm</span> <span class='hs-varid'>f</span> <span class='hs-varid'>l</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>l</span> <span class='hs-keyword'>of</span>
<a name="line-102"></a> <span class='hs-conid'>ClosedLevel</span><span class='hs-layout'>{</span><span class='hs-layout'>}</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>l</span>
<a name="line-103"></a> <span class='hs-conid'>Plus</span> <span class='hs-varid'>n</span> <span class='hs-varid'>l</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Plus</span> <span class='hs-varid'>n</span> <span class='hs-varop'>$</span> <span class='hs-varid'>traverseTerm</span> <span class='hs-varid'>f</span> <span class='hs-varid'>l</span>
<a name="line-104"></a> <span class='hs-varid'>traverseTermM</span> <span class='hs-varid'>f</span> <span class='hs-varid'>l</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>l</span> <span class='hs-keyword'>of</span>
<a name="line-105"></a> <span class='hs-conid'>ClosedLevel</span><span class='hs-layout'>{</span><span class='hs-layout'>}</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-varid'>l</span>
<a name="line-106"></a> <span class='hs-conid'>Plus</span> <span class='hs-varid'>n</span> <span class='hs-varid'>l</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Plus</span> <span class='hs-varid'>n</span> <span class='hs-varop'><$></span> <span class='hs-varid'>traverseTermM</span> <span class='hs-varid'>f</span> <span class='hs-varid'>l</span>
<a name="line-107"></a> <span class='hs-varid'>foldTerm</span> <span class='hs-varid'>f</span> <span class='hs-conid'>ClosedLevel</span><span class='hs-layout'>{</span><span class='hs-layout'>}</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>mempty</span>
<a name="line-108"></a> <span class='hs-varid'>foldTerm</span> <span class='hs-varid'>f</span> <span class='hs-layout'>(</span><span class='hs-conid'>Plus</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>l</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>foldTerm</span> <span class='hs-varid'>f</span> <span class='hs-varid'>l</span>
<a name="line-109"></a>
<a name="line-110"></a><a name="instance%20TermLike%20LevelAtom"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>TermLike</span> <span class='hs-conid'>LevelAtom</span> <span class='hs-keyword'>where</span>
<a name="line-111"></a> <span class='hs-varid'>traverseTerm</span> <span class='hs-varid'>f</span> <span class='hs-varid'>l</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>l</span> <span class='hs-keyword'>of</span>
<a name="line-112"></a> <span class='hs-conid'>MetaLevel</span> <span class='hs-varid'>m</span> <span class='hs-varid'>vs</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>MetaLevel</span> <span class='hs-varid'>m</span> <span class='hs-varop'>$</span> <span class='hs-varid'>traverseTerm</span> <span class='hs-varid'>f</span> <span class='hs-varid'>vs</span>
<a name="line-113"></a> <span class='hs-conid'>NeutralLevel</span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>NeutralLevel</span> <span class='hs-varop'>$</span> <span class='hs-varid'>traverseTerm</span> <span class='hs-varid'>f</span> <span class='hs-varid'>v</span>
<a name="line-114"></a> <span class='hs-conid'>BlockedLevel</span> <span class='hs-varid'>m</span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>BlockedLevel</span> <span class='hs-varid'>m</span> <span class='hs-varop'>$</span> <span class='hs-varid'>traverseTerm</span> <span class='hs-varid'>f</span> <span class='hs-varid'>v</span>
<a name="line-115"></a> <span class='hs-conid'>UnreducedLevel</span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>UnreducedLevel</span> <span class='hs-varop'>$</span> <span class='hs-varid'>traverseTerm</span> <span class='hs-varid'>f</span> <span class='hs-varid'>v</span>
<a name="line-116"></a> <span class='hs-varid'>traverseTermM</span> <span class='hs-varid'>f</span> <span class='hs-varid'>l</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>l</span> <span class='hs-keyword'>of</span>
<a name="line-117"></a> <span class='hs-conid'>MetaLevel</span> <span class='hs-varid'>m</span> <span class='hs-varid'>vs</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>MetaLevel</span> <span class='hs-varid'>m</span> <span class='hs-varop'><$></span> <span class='hs-varid'>traverseTermM</span> <span class='hs-varid'>f</span> <span class='hs-varid'>vs</span>
<a name="line-118"></a> <span class='hs-conid'>NeutralLevel</span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>NeutralLevel</span> <span class='hs-varop'><$></span> <span class='hs-varid'>traverseTermM</span> <span class='hs-varid'>f</span> <span class='hs-varid'>v</span>
<a name="line-119"></a> <span class='hs-conid'>BlockedLevel</span> <span class='hs-varid'>m</span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>BlockedLevel</span> <span class='hs-varid'>m</span> <span class='hs-varop'><$></span> <span class='hs-varid'>traverseTermM</span> <span class='hs-varid'>f</span> <span class='hs-varid'>v</span>
<a name="line-120"></a> <span class='hs-conid'>UnreducedLevel</span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>UnreducedLevel</span> <span class='hs-varop'><$></span> <span class='hs-varid'>traverseTermM</span> <span class='hs-varid'>f</span> <span class='hs-varid'>v</span>
<a name="line-121"></a> <span class='hs-varid'>foldTerm</span> <span class='hs-varid'>f</span> <span class='hs-varid'>l</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>l</span> <span class='hs-keyword'>of</span>
<a name="line-122"></a> <span class='hs-conid'>MetaLevel</span> <span class='hs-varid'>m</span> <span class='hs-varid'>vs</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>foldTerm</span> <span class='hs-varid'>f</span> <span class='hs-varid'>vs</span>
<a name="line-123"></a> <span class='hs-conid'>NeutralLevel</span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>foldTerm</span> <span class='hs-varid'>f</span> <span class='hs-varid'>v</span>
<a name="line-124"></a> <span class='hs-conid'>BlockedLevel</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>foldTerm</span> <span class='hs-varid'>f</span> <span class='hs-varid'>v</span>
<a name="line-125"></a> <span class='hs-conid'>UnreducedLevel</span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>foldTerm</span> <span class='hs-varid'>f</span> <span class='hs-varid'>v</span>
<a name="line-126"></a>
<a name="line-127"></a><a name="instance%20TermLike%20Type"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>TermLike</span> <span class='hs-conid'>Type</span> <span class='hs-keyword'>where</span>
<a name="line-128"></a> <span class='hs-varid'>traverseTerm</span> <span class='hs-varid'>f</span> <span class='hs-layout'>(</span><span class='hs-conid'>El</span> <span class='hs-varid'>s</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>El</span> <span class='hs-varid'>s</span> <span class='hs-varop'>$</span> <span class='hs-varid'>traverseTerm</span> <span class='hs-varid'>f</span> <span class='hs-varid'>t</span>
<a name="line-129"></a> <span class='hs-varid'>traverseTermM</span> <span class='hs-varid'>f</span> <span class='hs-layout'>(</span><span class='hs-conid'>El</span> <span class='hs-varid'>s</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>El</span> <span class='hs-varid'>s</span> <span class='hs-varop'><$></span> <span class='hs-varid'>traverseTermM</span> <span class='hs-varid'>f</span> <span class='hs-varid'>t</span>
<a name="line-130"></a> <span class='hs-varid'>foldTerm</span> <span class='hs-varid'>f</span> <span class='hs-layout'>(</span><span class='hs-conid'>El</span> <span class='hs-varid'>s</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>foldTerm</span> <span class='hs-varid'>f</span> <span class='hs-varid'>t</span>
<a name="line-131"></a>
<a name="line-132"></a><a name="copyTerm"></a><span class='hs-comment'>-- | Put it in a monad to make it possible to do strictly.</span>
<a name="line-133"></a><span class='hs-definition'>copyTerm</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>TermLike</span> <span class='hs-varid'>a</span><span class='hs-layout'>,</span> <span class='hs-conid'>Applicative</span> <span class='hs-varid'>m</span><span class='hs-layout'>,</span> <span class='hs-conid'>Monad</span> <span class='hs-varid'>m</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-varid'>m</span> <span class='hs-varid'>a</span>
<a name="line-134"></a><span class='hs-definition'>copyTerm</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>traverseTermM</span> <span class='hs-varid'>return</span>
<a name="line-135"></a>
</pre></body>
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