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<title>src/full/Agda/Auto/SearchControl.hs</title>
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<pre><a name="line-1"></a><span class='hs-comment'>{-# LANGUAGE UndecidableInstances, MultiParamTypeClasses,
<a name="line-2"></a> TypeSynonymInstances, FlexibleInstances, CPP #-}</span>
<a name="line-3"></a>
<a name="line-4"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>Agda</span><span class='hs-varop'>.</span><span class='hs-conid'>Auto</span><span class='hs-varop'>.</span><span class='hs-conid'>SearchControl</span> <span class='hs-keyword'>where</span>
<a name="line-5"></a>
<a name="line-6"></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-7"></a><span class='hs-cpp'>#include "../undefined.h"</span>
<a name="line-8"></a>
<a name="line-9"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Monad</span>
<a name="line-10"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>IORef</span>
<a name="line-11"></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-varop'>.</span><span class='hs-conid'>State</span>
<a name="line-12"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Maybe</span> <span class='hs-layout'>(</span><span class='hs-varid'>mapMaybe</span><span class='hs-layout'>)</span>
<a name="line-13"></a>
<a name="line-14"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Agda</span><span class='hs-varop'>.</span><span class='hs-conid'>Auto</span><span class='hs-varop'>.</span><span class='hs-conid'>NarrowingSearch</span>
<a name="line-15"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Agda</span><span class='hs-varop'>.</span><span class='hs-conid'>Auto</span><span class='hs-varop'>.</span><span class='hs-conid'>Syntax</span>
<a name="line-16"></a>
<a name="line-17"></a>
<a name="line-18"></a><a name="instance%20Refinable%20(ArgList%20o)%20(RefInfo%20o)"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Refinable</span> <span class='hs-layout'>(</span><span class='hs-conid'>ArgList</span> <span class='hs-varid'>o</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-conid'>RefInfo</span> <span class='hs-varid'>o</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-19"></a> <span class='hs-varid'>refinements</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>infos</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span>
<a name="line-20"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>[</span>
<a name="line-21"></a> <span class='hs-layout'>(</span><span class='hs-num'>0</span><span class='hs-layout'>,</span> <span class='hs-varid'>return</span> <span class='hs-conid'>ALNil</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-22"></a>
<a name="line-23"></a> <span class='hs-layout'>(</span><span class='hs-num'>0</span><span class='hs-layout'>,</span> <span class='hs-varid'>cons</span> <span class='hs-conid'>NotHidden</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-24"></a> <span class='hs-layout'>(</span><span class='hs-num'>0</span><span class='hs-layout'>,</span> <span class='hs-varid'>cons</span> <span class='hs-conid'>Hidden</span><span class='hs-layout'>)</span>
<a name="line-25"></a>
<a name="line-26"></a>
<a name="line-27"></a> <span class='hs-keyglyph'>]</span>
<a name="line-28"></a>
<a name="line-29"></a> <span class='hs-varop'>++</span>
<a name="line-30"></a> <span class='hs-layout'>(</span><span class='hs-keyword'>let</span> <span class='hs-varid'>isdep</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>rr</span> <span class='hs-varid'>infos</span>
<a name="line-31"></a> <span class='hs-varid'>rr</span> <span class='hs-layout'>(</span><span class='hs-conid'>RICheckElim</span> <span class='hs-varid'>isdep</span> <span class='hs-conop'>:</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>isdep</span>
<a name="line-32"></a> <span class='hs-varid'>rr</span> <span class='hs-layout'>(</span><span class='hs-keyword'>_</span> <span class='hs-conop'>:</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>rr</span> <span class='hs-varid'>xs</span>
<a name="line-33"></a> <span class='hs-varid'>rr</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-sel'>__IMPOSSIBLE__</span>
<a name="line-34"></a> <span class='hs-varid'>proj</span> <span class='hs-varid'>hid</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>newPlaceholder</span> <span class='hs-varop'>>>=</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>p1</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>newPlaceholder</span> <span class='hs-varop'>>>=</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>p2</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>newPlaceholder</span> <span class='hs-varop'>>>=</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>p3</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>ALProj</span> <span class='hs-varid'>p1</span> <span class='hs-varid'>p2</span> <span class='hs-varid'>hid</span> <span class='hs-varid'>p3</span>
<a name="line-35"></a> <span class='hs-keyword'>in</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>isdep</span> <span class='hs-keyword'>then</span>
<a name="line-36"></a> <span class='hs-conid'>[]</span>
<a name="line-37"></a> <span class='hs-keyword'>else</span>
<a name="line-38"></a>
<a name="line-39"></a> <span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-num'>0</span><span class='hs-layout'>,</span> <span class='hs-varid'>proj</span> <span class='hs-conid'>NotHidden</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-num'>0</span><span class='hs-layout'>,</span> <span class='hs-varid'>proj</span> <span class='hs-conid'>Hidden</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span>
<a name="line-40"></a>
<a name="line-41"></a>
<a name="line-42"></a> <span class='hs-layout'>)</span>
<a name="line-43"></a>
<a name="line-44"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>cons</span> <span class='hs-varid'>hid</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>newPlaceholder</span> <span class='hs-varop'>>>=</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>p1</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>newPlaceholder</span> <span class='hs-varop'>>>=</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>p2</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>ALCons</span> <span class='hs-varid'>hid</span> <span class='hs-varid'>p1</span> <span class='hs-varid'>p2</span>
<a name="line-45"></a>
<a name="line-46"></a>
<a name="line-47"></a><a name="ExpRefInfo"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>ExpRefInfo</span> <span class='hs-varid'>o</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>ExpRefInfo</span> <span class='hs-layout'>{</span><span class='hs-varid'>eriMain</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Maybe</span> <span class='hs-layout'>(</span><span class='hs-conid'>RefInfo</span> <span class='hs-varid'>o</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-varid'>eriUnifs</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>RefInfo</span> <span class='hs-varid'>o</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>,</span> <span class='hs-varid'>eriInfTypeUnknown</span><span class='hs-layout'>,</span> <span class='hs-varid'>eriIsEliminand</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Bool</span><span class='hs-layout'>,</span> <span class='hs-varid'>eriUsedVars</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Maybe</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>[</span><span class='hs-conid'>UId</span> <span class='hs-varid'>o</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>,</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Elr</span> <span class='hs-varid'>o</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-48"></a> <span class='hs-varid'>eriIotaStep</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Maybe</span> <span class='hs-conid'>Bool</span><span class='hs-layout'>,</span> <span class='hs-varid'>eriPickSubsVar</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Bool</span>
<a name="line-49"></a>
<a name="line-50"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>eriEqRState</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Maybe</span> <span class='hs-conid'>EqReasoningState</span>
<a name="line-51"></a>
<a name="line-52"></a> <span class='hs-layout'>}</span>
<a name="line-53"></a>
<a name="line-54"></a><a name="getinfo"></a><span class='hs-definition'>getinfo</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>f</span> <span class='hs-layout'>(</span><span class='hs-conid'>ExpRefInfo</span> <span class='hs-layout'>{</span><span class='hs-varid'>eriMain</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Nothing</span><span class='hs-layout'>,</span> <span class='hs-varid'>eriUnifs</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>[]</span><span class='hs-layout'>,</span> <span class='hs-varid'>eriInfTypeUnknown</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>False</span><span class='hs-layout'>,</span> <span class='hs-varid'>eriIsEliminand</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>False</span><span class='hs-layout'>,</span> <span class='hs-varid'>eriUsedVars</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Nothing</span><span class='hs-layout'>,</span>
<a name="line-55"></a> <span class='hs-varid'>eriIotaStep</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Nothing</span><span class='hs-layout'>,</span> <span class='hs-varid'>eriPickSubsVar</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>False</span>
<a name="line-56"></a>
<a name="line-57"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>eriEqRState</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Nothing</span>
<a name="line-58"></a>
<a name="line-59"></a> <span class='hs-layout'>}</span><span class='hs-layout'>)</span>
<a name="line-60"></a> <span class='hs-keyword'>where</span>
<a name="line-61"></a> <span class='hs-varid'>f</span> <span class='hs-varid'>i</span> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>i</span>
<a name="line-62"></a> <span class='hs-varid'>f</span> <span class='hs-varid'>i</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span><span class='hs-keyglyph'>@</span><span class='hs-conid'>RIMainInfo</span><span class='hs-layout'>{</span><span class='hs-layout'>}</span> <span class='hs-conop'>:</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>f</span> <span class='hs-layout'>(</span><span class='hs-varid'>i</span> <span class='hs-layout'>{</span><span class='hs-varid'>eriMain</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Just</span> <span class='hs-varid'>x</span><span class='hs-layout'>}</span><span class='hs-layout'>)</span> <span class='hs-varid'>xs</span>
<a name="line-63"></a> <span class='hs-varid'>f</span> <span class='hs-varid'>i</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span><span class='hs-keyglyph'>@</span><span class='hs-conid'>RIUnifInfo</span><span class='hs-layout'>{</span><span class='hs-layout'>}</span> <span class='hs-conop'>:</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>f</span> <span class='hs-layout'>(</span><span class='hs-varid'>i</span> <span class='hs-layout'>{</span><span class='hs-varid'>eriUnifs</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>x</span> <span class='hs-conop'>:</span> <span class='hs-varid'>eriUnifs</span> <span class='hs-varid'>i</span><span class='hs-layout'>}</span><span class='hs-layout'>)</span> <span class='hs-varid'>xs</span>
<a name="line-64"></a> <span class='hs-varid'>f</span> <span class='hs-varid'>i</span> <span class='hs-layout'>(</span><span class='hs-conid'>RIInferredTypeUnknown</span> <span class='hs-conop'>:</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>f</span> <span class='hs-layout'>(</span><span class='hs-varid'>i</span> <span class='hs-layout'>{</span><span class='hs-varid'>eriInfTypeUnknown</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>True</span><span class='hs-layout'>}</span><span class='hs-layout'>)</span> <span class='hs-varid'>xs</span>
<a name="line-65"></a> <span class='hs-varid'>f</span> <span class='hs-varid'>i</span> <span class='hs-layout'>(</span><span class='hs-conid'>RINotConstructor</span> <span class='hs-conop'>:</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>f</span> <span class='hs-layout'>(</span><span class='hs-varid'>i</span> <span class='hs-layout'>{</span><span class='hs-varid'>eriIsEliminand</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>True</span><span class='hs-layout'>}</span><span class='hs-layout'>)</span> <span class='hs-varid'>xs</span>
<a name="line-66"></a> <span class='hs-varid'>f</span> <span class='hs-varid'>i</span> <span class='hs-layout'>(</span><span class='hs-conid'>RIUsedVars</span> <span class='hs-varid'>nuids</span> <span class='hs-varid'>nused</span> <span class='hs-conop'>:</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>f</span> <span class='hs-layout'>(</span><span class='hs-varid'>i</span> <span class='hs-layout'>{</span><span class='hs-varid'>eriUsedVars</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-varid'>nuids</span><span class='hs-layout'>,</span> <span class='hs-varid'>nused</span><span class='hs-layout'>)</span><span class='hs-layout'>}</span><span class='hs-layout'>)</span> <span class='hs-varid'>xs</span>
<a name="line-67"></a> <span class='hs-varid'>f</span> <span class='hs-varid'>i</span> <span class='hs-layout'>(</span><span class='hs-conid'>RIIotaStep</span> <span class='hs-varid'>semif</span> <span class='hs-conop'>:</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>f</span> <span class='hs-layout'>(</span><span class='hs-varid'>i</span> <span class='hs-layout'>{</span><span class='hs-varid'>eriIotaStep</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-varid'>semif</span> <span class='hs-varop'>||</span> <span class='hs-varid'>maybe</span> <span class='hs-conid'>False</span> <span class='hs-varid'>id</span> <span class='hs-layout'>(</span><span class='hs-varid'>eriIotaStep</span> <span class='hs-varid'>i</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span><span class='hs-layout'>}</span><span class='hs-layout'>)</span> <span class='hs-varid'>xs</span>
<a name="line-68"></a> <span class='hs-varid'>f</span> <span class='hs-varid'>i</span> <span class='hs-layout'>(</span><span class='hs-conid'>RIPickSubsvar</span> <span class='hs-conop'>:</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>f</span> <span class='hs-layout'>(</span><span class='hs-varid'>i</span> <span class='hs-layout'>{</span><span class='hs-varid'>eriPickSubsVar</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>True</span><span class='hs-layout'>}</span><span class='hs-layout'>)</span> <span class='hs-varid'>xs</span>
<a name="line-69"></a>
<a name="line-70"></a> <span class='hs-varid'>f</span> <span class='hs-varid'>i</span> <span class='hs-layout'>(</span><span class='hs-conid'>RIEqRState</span> <span class='hs-varid'>s</span> <span class='hs-conop'>:</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>f</span> <span class='hs-layout'>(</span><span class='hs-varid'>i</span> <span class='hs-layout'>{</span><span class='hs-varid'>eriEqRState</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Just</span> <span class='hs-varid'>s</span><span class='hs-layout'>}</span><span class='hs-layout'>)</span> <span class='hs-varid'>xs</span>
<a name="line-71"></a>
<a name="line-72"></a> <span class='hs-varid'>f</span> <span class='hs-varid'>i</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-sel'>__IMPOSSIBLE__</span>
<a name="line-73"></a>
<a name="line-74"></a>
<a name="line-75"></a><a name="univar"></a><span class='hs-definition'>univar</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>CAction</span> <span class='hs-varid'>o</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Nat</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Maybe</span> <span class='hs-conid'>Nat</span>
<a name="line-76"></a><span class='hs-definition'>univar</span> <span class='hs-varid'>cl</span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>f</span> <span class='hs-varid'>cl</span> <span class='hs-varid'>v</span> <span class='hs-num'>0</span>
<a name="line-77"></a> <span class='hs-keyword'>where</span>
<a name="line-78"></a> <span class='hs-varid'>f</span> <span class='hs-conid'>[]</span> <span class='hs-varid'>v</span> <span class='hs-varid'>v'</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-varid'>v'</span> <span class='hs-varop'>+</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span>
<a name="line-79"></a> <span class='hs-varid'>f</span> <span class='hs-layout'>(</span><span class='hs-conid'>Weak</span> <span class='hs-varid'>n</span> <span class='hs-conop'>:</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-varid'>v</span> <span class='hs-varid'>v'</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>v</span> <span class='hs-varop'><</span> <span class='hs-varid'>n</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Nothing</span>
<a name="line-80"></a> <span class='hs-varid'>f</span> <span class='hs-layout'>(</span><span class='hs-conid'>Weak</span> <span class='hs-varid'>n</span> <span class='hs-conop'>:</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-varid'>v</span> <span class='hs-varid'>v'</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>f</span> <span class='hs-varid'>xs</span> <span class='hs-layout'>(</span><span class='hs-varid'>v</span> <span class='hs-comment'>-</span> <span class='hs-varid'>n</span><span class='hs-layout'>)</span> <span class='hs-varid'>v'</span>
<a name="line-81"></a> <span class='hs-varid'>f</span> <span class='hs-layout'>(</span><span class='hs-conid'>Sub</span> <span class='hs-keyword'>_</span> <span class='hs-conop'>:</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-varid'>v</span> <span class='hs-varid'>v'</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>f</span> <span class='hs-varid'>xs</span> <span class='hs-varid'>v</span> <span class='hs-layout'>(</span><span class='hs-varid'>v'</span> <span class='hs-varop'>+</span> <span class='hs-num'>1</span><span class='hs-layout'>)</span>
<a name="line-82"></a> <span class='hs-varid'>f</span> <span class='hs-layout'>(</span><span class='hs-conid'>Skip</span> <span class='hs-conop'>:</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-num'>0</span> <span class='hs-varid'>v'</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Just</span> <span class='hs-varid'>v'</span>
<a name="line-83"></a> <span class='hs-varid'>f</span> <span class='hs-layout'>(</span><span class='hs-conid'>Skip</span> <span class='hs-conop'>:</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-varid'>v</span> <span class='hs-varid'>v'</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>f</span> <span class='hs-varid'>xs</span> <span class='hs-layout'>(</span><span class='hs-varid'>v</span> <span class='hs-comment'>-</span> <span class='hs-num'>1</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>v'</span> <span class='hs-varop'>+</span> <span class='hs-num'>1</span><span class='hs-layout'>)</span>
<a name="line-84"></a>
<a name="line-85"></a><a name="subsvars"></a><span class='hs-definition'>subsvars</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>CAction</span> <span class='hs-varid'>o</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Nat</span><span class='hs-keyglyph'>]</span>
<a name="line-86"></a><span class='hs-definition'>subsvars</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>f</span> <span class='hs-num'>0</span>
<a name="line-87"></a> <span class='hs-keyword'>where</span>
<a name="line-88"></a> <span class='hs-varid'>f</span> <span class='hs-varid'>n</span> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>[]</span>
<a name="line-89"></a> <span class='hs-varid'>f</span> <span class='hs-varid'>n</span> <span class='hs-layout'>(</span><span class='hs-conid'>Weak</span> <span class='hs-keyword'>_</span> <span class='hs-conop'>:</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>f</span> <span class='hs-varid'>n</span> <span class='hs-varid'>xs</span>
<a name="line-90"></a> <span class='hs-varid'>f</span> <span class='hs-varid'>n</span> <span class='hs-layout'>(</span><span class='hs-conid'>Sub</span> <span class='hs-keyword'>_</span> <span class='hs-conop'>:</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>n</span> <span class='hs-conop'>:</span> <span class='hs-varid'>f</span> <span class='hs-layout'>(</span><span class='hs-varid'>n</span> <span class='hs-varop'>+</span> <span class='hs-num'>1</span><span class='hs-layout'>)</span> <span class='hs-varid'>xs</span>
<a name="line-91"></a> <span class='hs-varid'>f</span> <span class='hs-varid'>n</span> <span class='hs-layout'>(</span><span class='hs-conid'>Skip</span> <span class='hs-conop'>:</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>f</span> <span class='hs-layout'>(</span><span class='hs-varid'>n</span> <span class='hs-varop'>+</span> <span class='hs-num'>1</span><span class='hs-layout'>)</span> <span class='hs-varid'>xs</span>
<a name="line-92"></a>
<a name="line-93"></a>
<a name="line-94"></a><a name="instance%20Refinable%20(Exp%20o)%20(RefInfo%20o)"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Refinable</span> <span class='hs-layout'>(</span><span class='hs-conid'>Exp</span> <span class='hs-varid'>o</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-conid'>RefInfo</span> <span class='hs-varid'>o</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-95"></a> <span class='hs-varid'>refinements</span> <span class='hs-varid'>envinfo</span> <span class='hs-varid'>infos</span> <span class='hs-varid'>meta</span> <span class='hs-keyglyph'>=</span>
<a name="line-96"></a> <span class='hs-keyword'>let</span>
<a name="line-97"></a> <span class='hs-varid'>hints</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>rieHints</span> <span class='hs-varid'>envinfo</span>
<a name="line-98"></a> <span class='hs-varid'>deffreevars</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>rieDefFreeVars</span> <span class='hs-varid'>envinfo</span>
<a name="line-99"></a>
<a name="line-100"></a> <span class='hs-varid'>meqr</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>rieEqReasoningConsts</span> <span class='hs-varid'>envinfo</span>
<a name="line-101"></a>
<a name="line-102"></a> <span class='hs-conid'>ExpRefInfo</span> <span class='hs-layout'>{</span><span class='hs-varid'>eriMain</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-conid'>RIMainInfo</span> <span class='hs-varid'>n</span> <span class='hs-varid'>tt</span> <span class='hs-varid'>iotastepdone</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-varid'>eriUnifs</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>unis</span><span class='hs-layout'>,</span> <span class='hs-varid'>eriInfTypeUnknown</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>inftypeunknown</span><span class='hs-layout'>,</span> <span class='hs-varid'>eriIsEliminand</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>iseliminand</span><span class='hs-layout'>,</span> <span class='hs-varid'>eriUsedVars</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-varid'>uids</span><span class='hs-layout'>,</span> <span class='hs-varid'>usedvars</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-103"></a> <span class='hs-varid'>eriIotaStep</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>iotastep</span><span class='hs-layout'>,</span> <span class='hs-varid'>eriPickSubsVar</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>picksubsvar</span>
<a name="line-104"></a>
<a name="line-105"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>eriEqRState</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>meqrstate</span>
<a name="line-106"></a>
<a name="line-107"></a> <span class='hs-layout'>}</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>getinfo</span> <span class='hs-varid'>infos</span>
<a name="line-108"></a>
<a name="line-109"></a> <span class='hs-varid'>eqrstate</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>maybe</span> <span class='hs-conid'>EqRSNone</span> <span class='hs-varid'>id</span> <span class='hs-varid'>meqrstate</span>
<a name="line-110"></a>
<a name="line-111"></a> <span class='hs-varid'>app</span> <span class='hs-varid'>muid</span> <span class='hs-varid'>elr</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>newPlaceholder</span>
<a name="line-112"></a> <span class='hs-varid'>p</span> <span class='hs-keyglyph'><-</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>elr</span> <span class='hs-keyword'>of</span>
<a name="line-113"></a> <span class='hs-conid'>Var</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'>p</span>
<a name="line-114"></a> <span class='hs-conid'>Const</span> <span class='hs-varid'>c</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span>
<a name="line-115"></a> <span class='hs-varid'>cd</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>lift</span> <span class='hs-varop'>$</span> <span class='hs-varid'>readIORef</span> <span class='hs-varid'>c</span>
<a name="line-116"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>dfvapp</span> <span class='hs-num'>0</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>p</span>
<a name="line-117"></a> <span class='hs-varid'>dfvapp</span> <span class='hs-varid'>i</span> <span class='hs-varid'>n</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>NotM</span> <span class='hs-varop'>$</span> <span class='hs-conid'>ALCons</span> <span class='hs-conid'>NotHidden</span> <span class='hs-layout'>(</span><span class='hs-conid'>NotM</span> <span class='hs-varop'>$</span> <span class='hs-conid'>App</span> <span class='hs-conid'>Nothing</span> <span class='hs-layout'>(</span><span class='hs-conid'>NotM</span> <span class='hs-varop'>$</span> <span class='hs-conid'>OKVal</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-conid'>Var</span> <span class='hs-varid'>n</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-conid'>NotM</span> <span class='hs-conid'>ALNil</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>dfvapp</span> <span class='hs-layout'>(</span><span class='hs-varid'>i</span> <span class='hs-comment'>-</span> <span class='hs-num'>1</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>n</span> <span class='hs-comment'>-</span> <span class='hs-num'>1</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-118"></a> <span class='hs-comment'>-- NotHidden is ok because agda reification throws these arguments away and agsy skips typechecking them</span>
<a name="line-119"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-varid'>dfvapp</span> <span class='hs-layout'>(</span><span class='hs-varid'>cddeffreevars</span> <span class='hs-varid'>cd</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>n</span> <span class='hs-comment'>-</span> <span class='hs-num'>1</span><span class='hs-layout'>)</span>
<a name="line-120"></a>
<a name="line-121"></a> <span class='hs-varid'>okh</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>newOKHandle</span>
<a name="line-122"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>uid</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>muid</span> <span class='hs-keyword'>of</span>
<a name="line-123"></a> <span class='hs-conid'>Just</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>muid</span>
<a name="line-124"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Just</span> <span class='hs-varid'>meta</span>
<a name="line-125"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>App</span> <span class='hs-varid'>uid</span> <span class='hs-varid'>okh</span> <span class='hs-varid'>elr</span> <span class='hs-varid'>p</span>
<a name="line-126"></a> <span class='hs-varid'>lam</span> <span class='hs-varid'>hid</span> <span class='hs-varid'>id</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-127"></a> <span class='hs-varid'>p</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>newPlaceholder</span>
<a name="line-128"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Lam</span> <span class='hs-varid'>hid</span> <span class='hs-layout'>(</span><span class='hs-conid'>Abs</span> <span class='hs-varid'>id</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span>
<a name="line-129"></a> <span class='hs-varid'>pi</span> <span class='hs-varid'>muid</span> <span class='hs-varid'>dep</span> <span class='hs-varid'>hid</span> <span class='hs-keyglyph'>=</span>
<a name="line-130"></a> <span class='hs-keyword'>do</span> <span class='hs-varid'>p1</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>newPlaceholder</span>
<a name="line-131"></a> <span class='hs-varid'>p2</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>newPlaceholder</span>
<a name="line-132"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>uid</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>muid</span> <span class='hs-keyword'>of</span>
<a name="line-133"></a> <span class='hs-conid'>Just</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>muid</span>
<a name="line-134"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Just</span> <span class='hs-varid'>meta</span>
<a name="line-135"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Pi</span> <span class='hs-varid'>uid</span> <span class='hs-varid'>hid</span> <span class='hs-varid'>dep</span> <span class='hs-varid'>p1</span> <span class='hs-layout'>(</span><span class='hs-conid'>Abs</span> <span class='hs-conid'>NoId</span> <span class='hs-varid'>p2</span><span class='hs-layout'>)</span>
<a name="line-136"></a> <span class='hs-varid'>set</span> <span class='hs-varid'>l</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Sort</span> <span class='hs-layout'>(</span><span class='hs-conid'>Set</span> <span class='hs-varid'>l</span><span class='hs-layout'>)</span>
<a name="line-137"></a> <span class='hs-keyword'>in</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>unis</span> <span class='hs-keyword'>of</span>
<a name="line-138"></a> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>-></span>
<a name="line-139"></a> <span class='hs-keyword'>let</span>
<a name="line-140"></a>
<a name="line-141"></a> <span class='hs-varid'>eqr</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>maybe</span> <span class='hs-sel'>__IMPOSSIBLE__</span> <span class='hs-varid'>id</span> <span class='hs-varid'>meqr</span>
<a name="line-142"></a> <span class='hs-varid'>foldargs</span> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>NotM</span> <span class='hs-conid'>ALNil</span>
<a name="line-143"></a> <span class='hs-varid'>foldargs</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-varid'>h</span><span class='hs-layout'>,</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-conop'>:</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>NotM</span> <span class='hs-varop'>$</span> <span class='hs-conid'>ALCons</span> <span class='hs-varid'>h</span> <span class='hs-varid'>a</span> <span class='hs-layout'>(</span><span class='hs-varid'>foldargs</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span>
<a name="line-144"></a> <span class='hs-varid'>eq_begin_step_step</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-varid'>costEqStep</span><span class='hs-layout'>,</span>
<a name="line-145"></a> <span class='hs-keyword'>do</span> <span class='hs-varid'>psb</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>replicateM</span> <span class='hs-num'>4</span> <span class='hs-varid'>newPlaceholder</span>
<a name="line-146"></a> <span class='hs-varid'>okhb</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>newOKHandle</span>
<a name="line-147"></a> <span class='hs-varid'>pss1</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>replicateM</span> <span class='hs-num'>6</span> <span class='hs-varid'>newPlaceholder</span>
<a name="line-148"></a> <span class='hs-varid'>okhs1</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>newOKHandle</span>
<a name="line-149"></a> <span class='hs-varid'>pss2</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>replicateM</span> <span class='hs-num'>7</span> <span class='hs-varid'>newPlaceholder</span>
<a name="line-150"></a> <span class='hs-varid'>okhs2</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>newOKHandle</span>
<a name="line-151"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>App</span> <span class='hs-layout'>(</span><span class='hs-conid'>Just</span> <span class='hs-varid'>meta</span><span class='hs-layout'>)</span> <span class='hs-varid'>okhb</span> <span class='hs-layout'>(</span><span class='hs-conid'>Const</span> <span class='hs-varop'>$</span> <span class='hs-varid'>eqrcBegin</span> <span class='hs-varid'>eqr</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>foldargs</span> <span class='hs-layout'>(</span><span class='hs-varid'>zip</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Hidden</span><span class='hs-layout'>,</span> <span class='hs-conid'>Hidden</span><span class='hs-layout'>,</span> <span class='hs-conid'>Hidden</span><span class='hs-layout'>,</span> <span class='hs-conid'>Hidden</span><span class='hs-layout'>,</span> <span class='hs-conid'>NotHidden</span><span class='hs-keyglyph'>]</span> <span class='hs-layout'>(</span><span class='hs-varid'>psb</span> <span class='hs-varop'>++</span> <span class='hs-keyglyph'>[</span>
<a name="line-152"></a> <span class='hs-conid'>NotM</span> <span class='hs-varop'>$</span> <span class='hs-conid'>App</span> <span class='hs-layout'>(</span><span class='hs-conid'>Just</span> <span class='hs-varid'>meta</span><span class='hs-layout'>)</span> <span class='hs-varid'>okhs1</span> <span class='hs-layout'>(</span><span class='hs-conid'>Const</span> <span class='hs-varop'>$</span> <span class='hs-varid'>eqrcStep</span> <span class='hs-varid'>eqr</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>foldargs</span> <span class='hs-layout'>(</span><span class='hs-varid'>zip</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Hidden</span><span class='hs-layout'>,</span> <span class='hs-conid'>Hidden</span><span class='hs-layout'>,</span> <span class='hs-conid'>NotHidden</span><span class='hs-layout'>,</span> <span class='hs-conid'>Hidden</span><span class='hs-layout'>,</span> <span class='hs-conid'>Hidden</span><span class='hs-layout'>,</span> <span class='hs-conid'>NotHidden</span><span class='hs-layout'>,</span> <span class='hs-conid'>NotHidden</span><span class='hs-keyglyph'>]</span> <span class='hs-layout'>(</span><span class='hs-varid'>pss1</span> <span class='hs-varop'>++</span> <span class='hs-keyglyph'>[</span>
<a name="line-153"></a> <span class='hs-conid'>NotM</span> <span class='hs-varop'>$</span> <span class='hs-conid'>App</span> <span class='hs-layout'>(</span><span class='hs-conid'>Just</span> <span class='hs-varid'>meta</span><span class='hs-layout'>)</span> <span class='hs-varid'>okhs2</span> <span class='hs-layout'>(</span><span class='hs-conid'>Const</span> <span class='hs-varop'>$</span> <span class='hs-varid'>eqrcStep</span> <span class='hs-varid'>eqr</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>foldargs</span> <span class='hs-layout'>(</span><span class='hs-varid'>zip</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Hidden</span><span class='hs-layout'>,</span> <span class='hs-conid'>Hidden</span><span class='hs-layout'>,</span> <span class='hs-conid'>NotHidden</span><span class='hs-layout'>,</span> <span class='hs-conid'>Hidden</span><span class='hs-layout'>,</span> <span class='hs-conid'>Hidden</span><span class='hs-layout'>,</span> <span class='hs-conid'>NotHidden</span><span class='hs-layout'>,</span> <span class='hs-conid'>NotHidden</span><span class='hs-keyglyph'>]</span> <span class='hs-varid'>pss2</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-154"></a> <span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-155"></a> <span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-156"></a> <span class='hs-layout'>)</span>
<a name="line-157"></a> <span class='hs-varid'>eq_step</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-varid'>costEqStep</span><span class='hs-layout'>,</span>
<a name="line-158"></a> <span class='hs-keyword'>do</span> <span class='hs-varid'>ps</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>replicateM</span> <span class='hs-num'>7</span> <span class='hs-varid'>newPlaceholder</span>
<a name="line-159"></a> <span class='hs-varid'>okh</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>newOKHandle</span>
<a name="line-160"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>App</span> <span class='hs-layout'>(</span><span class='hs-conid'>Just</span> <span class='hs-varid'>meta</span><span class='hs-layout'>)</span> <span class='hs-varid'>okh</span> <span class='hs-layout'>(</span><span class='hs-conid'>Const</span> <span class='hs-varop'>$</span> <span class='hs-varid'>eqrcStep</span> <span class='hs-varid'>eqr</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>foldargs</span> <span class='hs-layout'>(</span><span class='hs-varid'>zip</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Hidden</span><span class='hs-layout'>,</span> <span class='hs-conid'>Hidden</span><span class='hs-layout'>,</span> <span class='hs-conid'>NotHidden</span><span class='hs-layout'>,</span> <span class='hs-conid'>Hidden</span><span class='hs-layout'>,</span> <span class='hs-conid'>Hidden</span><span class='hs-layout'>,</span> <span class='hs-conid'>NotHidden</span><span class='hs-layout'>,</span> <span class='hs-conid'>NotHidden</span><span class='hs-keyglyph'>]</span> <span class='hs-varid'>ps</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-161"></a> <span class='hs-layout'>)</span>
<a name="line-162"></a> <span class='hs-varid'>eq_end</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-varid'>costEqEnd</span><span class='hs-layout'>,</span>
<a name="line-163"></a> <span class='hs-keyword'>do</span> <span class='hs-varid'>ps</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>replicateM</span> <span class='hs-num'>3</span> <span class='hs-varid'>newPlaceholder</span>
<a name="line-164"></a> <span class='hs-varid'>okh</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>newOKHandle</span>
<a name="line-165"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>App</span> <span class='hs-layout'>(</span><span class='hs-conid'>Just</span> <span class='hs-varid'>meta</span><span class='hs-layout'>)</span> <span class='hs-varid'>okh</span> <span class='hs-layout'>(</span><span class='hs-conid'>Const</span> <span class='hs-varop'>$</span> <span class='hs-varid'>eqrcEnd</span> <span class='hs-varid'>eqr</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>foldargs</span> <span class='hs-layout'>(</span><span class='hs-varid'>zip</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Hidden</span><span class='hs-layout'>,</span> <span class='hs-conid'>Hidden</span><span class='hs-layout'>,</span> <span class='hs-conid'>NotHidden</span><span class='hs-keyglyph'>]</span> <span class='hs-varid'>ps</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-166"></a> <span class='hs-layout'>)</span>
<a name="line-167"></a> <span class='hs-varid'>eq_sym</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-varid'>costEqSym</span><span class='hs-layout'>,</span>
<a name="line-168"></a> <span class='hs-keyword'>do</span> <span class='hs-varid'>ps</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>replicateM</span> <span class='hs-num'>5</span> <span class='hs-varid'>newPlaceholder</span>
<a name="line-169"></a> <span class='hs-varid'>okh</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>newOKHandle</span>
<a name="line-170"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>App</span> <span class='hs-layout'>(</span><span class='hs-conid'>Just</span> <span class='hs-varid'>meta</span><span class='hs-layout'>)</span> <span class='hs-varid'>okh</span> <span class='hs-layout'>(</span><span class='hs-conid'>Const</span> <span class='hs-varop'>$</span> <span class='hs-varid'>eqrcSym</span> <span class='hs-varid'>eqr</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>foldargs</span> <span class='hs-layout'>(</span><span class='hs-varid'>zip</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Hidden</span><span class='hs-layout'>,</span> <span class='hs-conid'>Hidden</span><span class='hs-layout'>,</span> <span class='hs-conid'>Hidden</span><span class='hs-layout'>,</span> <span class='hs-conid'>Hidden</span><span class='hs-layout'>,</span> <span class='hs-conid'>NotHidden</span><span class='hs-keyglyph'>]</span> <span class='hs-varid'>ps</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-171"></a> <span class='hs-layout'>)</span>
<a name="line-172"></a> <span class='hs-varid'>eq_cong</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-varid'>costEqCong</span><span class='hs-layout'>,</span>
<a name="line-173"></a> <span class='hs-keyword'>do</span> <span class='hs-varid'>ps</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>replicateM</span> <span class='hs-num'>8</span> <span class='hs-varid'>newPlaceholder</span>
<a name="line-174"></a> <span class='hs-varid'>okh</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>newOKHandle</span>
<a name="line-175"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>App</span> <span class='hs-layout'>(</span><span class='hs-conid'>Just</span> <span class='hs-varid'>meta</span><span class='hs-layout'>)</span> <span class='hs-varid'>okh</span> <span class='hs-layout'>(</span><span class='hs-conid'>Const</span> <span class='hs-varop'>$</span> <span class='hs-varid'>eqrcCong</span> <span class='hs-varid'>eqr</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>foldargs</span> <span class='hs-layout'>(</span><span class='hs-varid'>zip</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Hidden</span><span class='hs-layout'>,</span> <span class='hs-conid'>Hidden</span><span class='hs-layout'>,</span> <span class='hs-conid'>Hidden</span><span class='hs-layout'>,</span> <span class='hs-conid'>Hidden</span><span class='hs-layout'>,</span> <span class='hs-conid'>NotHidden</span><span class='hs-layout'>,</span> <span class='hs-conid'>Hidden</span><span class='hs-layout'>,</span> <span class='hs-conid'>Hidden</span><span class='hs-layout'>,</span> <span class='hs-conid'>NotHidden</span><span class='hs-keyglyph'>]</span> <span class='hs-varid'>ps</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-176"></a> <span class='hs-layout'>)</span>
<a name="line-177"></a>
<a name="line-178"></a> <span class='hs-varid'>pcav</span> <span class='hs-varid'>i</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>inftypeunknown</span> <span class='hs-keyword'>then</span> <span class='hs-varid'>costInferredTypeUnkown</span> <span class='hs-keyword'>else</span> <span class='hs-varid'>i</span>
<a name="line-179"></a> <span class='hs-varid'>pc</span> <span class='hs-varid'>i</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>pcav</span> <span class='hs-varid'>i</span>
<a name="line-180"></a> <span class='hs-varid'>varcost</span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>v</span> <span class='hs-varop'><</span> <span class='hs-varid'>n</span> <span class='hs-comment'>-</span> <span class='hs-varid'>deffreevars</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>pcav</span> <span class='hs-layout'>(</span><span class='hs-keyword'>case</span> <span class='hs-conid'>Just</span> <span class='hs-varid'>usedvars</span> <span class='hs-keyword'>of</span> <span class='hs-layout'>{</span><span class='hs-conid'>Just</span> <span class='hs-varid'>usedvars</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>if</span> <span class='hs-varid'>elem</span> <span class='hs-varid'>v</span> <span class='hs-layout'>(</span><span class='hs-varid'>mapMaybe</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-keyword'>case</span> <span class='hs-varid'>x</span> <span class='hs-keyword'>of</span> <span class='hs-layout'>{</span><span class='hs-conid'>Var</span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Just</span> <span class='hs-varid'>v</span><span class='hs-layout'>;</span> <span class='hs-conid'>Const</span><span class='hs-layout'>{</span><span class='hs-layout'>}</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Nothing</span><span class='hs-layout'>}</span><span class='hs-layout'>)</span> <span class='hs-varid'>usedvars</span><span class='hs-layout'>)</span> <span class='hs-keyword'>then</span> <span class='hs-varid'>costAppVarUsed</span> <span class='hs-keyword'>else</span> <span class='hs-varid'>costAppVar</span><span class='hs-layout'>;</span> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>if</span> <span class='hs-varid'>picksubsvar</span> <span class='hs-keyword'>then</span> <span class='hs-varid'>costAppVar</span> <span class='hs-keyword'>else</span> <span class='hs-varid'>costAppVarUsed</span><span class='hs-layout'>}</span><span class='hs-layout'>)</span>
<a name="line-181"></a> <span class='hs-varid'>varcost</span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>pcav</span> <span class='hs-varid'>costAppHint</span>
<a name="line-182"></a> <span class='hs-varid'>varapps</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-varid'>v</span> <span class='hs-keyglyph'>-></span>
<a name="line-183"></a> <span class='hs-layout'>(</span><span class='hs-varid'>varcost</span> <span class='hs-varid'>v</span><span class='hs-layout'>,</span>
<a name="line-184"></a> <span class='hs-varid'>app</span> <span class='hs-conid'>Nothing</span> <span class='hs-layout'>(</span><span class='hs-conid'>Var</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span>
<a name="line-185"></a> <span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>[</span><span class='hs-num'>0</span><span class='hs-keyglyph'>..</span><span class='hs-varid'>n</span> <span class='hs-comment'>-</span> <span class='hs-num'>1</span><span class='hs-keyglyph'>]</span>
<a name="line-186"></a> <span class='hs-varid'>hintapps</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'>c</span><span class='hs-layout'>,</span> <span class='hs-varid'>hm</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span>
<a name="line-187"></a> <span class='hs-layout'>(</span><span class='hs-varid'>cost</span> <span class='hs-varid'>c</span> <span class='hs-varid'>hm</span><span class='hs-layout'>,</span>
<a name="line-188"></a> <span class='hs-varid'>app</span> <span class='hs-conid'>Nothing</span> <span class='hs-layout'>(</span><span class='hs-conid'>Const</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span>
<a name="line-189"></a> <span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-varid'>hints</span>
<a name="line-190"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>cost</span> <span class='hs-varid'>c</span> <span class='hs-varid'>hm</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>pc</span> <span class='hs-layout'>(</span><span class='hs-keyword'>case</span> <span class='hs-varid'>iotastep</span> <span class='hs-keyword'>of</span>
<a name="line-191"></a> <span class='hs-conid'>Just</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>costIotaStep</span>
<a name="line-192"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>if</span> <span class='hs-varid'>elem</span> <span class='hs-varid'>c</span> <span class='hs-layout'>(</span><span class='hs-varid'>mapMaybe</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-keyword'>case</span> <span class='hs-varid'>x</span> <span class='hs-keyword'>of</span> <span class='hs-layout'>{</span><span class='hs-conid'>Var</span><span class='hs-layout'>{</span><span class='hs-layout'>}</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Nothing</span><span class='hs-layout'>;</span> <span class='hs-conid'>Const</span> <span class='hs-varid'>c</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Just</span> <span class='hs-varid'>c</span><span class='hs-layout'>}</span><span class='hs-layout'>)</span> <span class='hs-varid'>usedvars</span><span class='hs-layout'>)</span> <span class='hs-keyword'>then</span>
<a name="line-193"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>hm</span> <span class='hs-keyword'>of</span> <span class='hs-layout'>{</span><span class='hs-conid'>HMNormal</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>costAppHintUsed</span><span class='hs-layout'>;</span> <span class='hs-conid'>HMRecCall</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>costAppRecCallUsed</span><span class='hs-layout'>}</span>
<a name="line-194"></a> <span class='hs-keyword'>else</span>
<a name="line-195"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>hm</span> <span class='hs-keyword'>of</span> <span class='hs-layout'>{</span><span class='hs-conid'>HMNormal</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>costAppHint</span><span class='hs-layout'>;</span> <span class='hs-conid'>HMRecCall</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>costAppRecCall</span><span class='hs-layout'>}</span><span class='hs-layout'>)</span>
<a name="line-196"></a> <span class='hs-varid'>generics</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>varapps</span> <span class='hs-varop'>++</span> <span class='hs-varid'>hintapps</span>
<a name="line-197"></a> <span class='hs-keyword'>in</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>tt</span> <span class='hs-keyword'>of</span>
<a name="line-198"></a>
<a name="line-199"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>eqrstate</span> <span class='hs-varop'>==</span> <span class='hs-conid'>EqRSChain</span> <span class='hs-keyglyph'>-></span>
<a name="line-200"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>eq_end</span><span class='hs-layout'>,</span> <span class='hs-varid'>eq_step</span><span class='hs-keyglyph'>]</span>
<a name="line-201"></a>
<a name="line-202"></a> <span class='hs-conid'>HNPi</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>hid</span> <span class='hs-varid'>possdep</span> <span class='hs-keyword'>_</span> <span class='hs-layout'>(</span><span class='hs-conid'>Abs</span> <span class='hs-varid'>id</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-layout'>(</span><span class='hs-varid'>pc</span> <span class='hs-layout'>(</span><span class='hs-keyword'>if</span> <span class='hs-varid'>iotastepdone</span> <span class='hs-keyword'>then</span> <span class='hs-varid'>costLamUnfold</span> <span class='hs-keyword'>else</span> <span class='hs-varid'>costLam</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-varid'>lam</span> <span class='hs-varid'>hid</span> <span class='hs-varid'>id</span><span class='hs-layout'>)</span> <span class='hs-conop'>:</span> <span class='hs-layout'>(</span><span class='hs-varid'>costAbsurdLam</span><span class='hs-layout'>,</span> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>AbsurdLambda</span> <span class='hs-varid'>hid</span><span class='hs-layout'>)</span> <span class='hs-conop'>:</span> <span class='hs-varid'>generics</span>
<a name="line-203"></a>
<a name="line-204"></a> <span class='hs-conid'>HNSort</span> <span class='hs-layout'>(</span><span class='hs-conid'>Set</span> <span class='hs-varid'>l</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'>map</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>l</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-varid'>pc</span> <span class='hs-varid'>costSort</span><span class='hs-layout'>,</span> <span class='hs-varid'>set</span> <span class='hs-varid'>l</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>[</span><span class='hs-num'>0</span><span class='hs-keyglyph'>..</span><span class='hs-varid'>l</span> <span class='hs-comment'>-</span> <span class='hs-num'>1</span><span class='hs-keyglyph'>]</span> <span class='hs-varop'>++</span> <span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-varid'>pc</span> <span class='hs-varid'>costPi</span><span class='hs-layout'>,</span> <span class='hs-varid'>pi</span> <span class='hs-conid'>Nothing</span> <span class='hs-conid'>True</span> <span class='hs-conid'>NotHidden</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-varid'>pc</span> <span class='hs-varid'>costPi</span><span class='hs-layout'>,</span> <span class='hs-varid'>pi</span> <span class='hs-conid'>Nothing</span> <span class='hs-conid'>True</span> <span class='hs-conid'>Hidden</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span> <span class='hs-varop'>++</span> <span class='hs-varid'>generics</span>
<a name="line-205"></a>
<a name="line-206"></a>
<a name="line-207"></a> <span class='hs-conid'>HNApp</span> <span class='hs-keyword'>_</span> <span class='hs-layout'>(</span><span class='hs-conid'>Const</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span>
<a name="line-208"></a> <span class='hs-varid'>cd</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>readIORef</span> <span class='hs-varid'>c</span>
<a name="line-209"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>cdcont</span> <span class='hs-varid'>cd</span> <span class='hs-keyword'>of</span>
<a name="line-210"></a> <span class='hs-conid'>Datatype</span> <span class='hs-varid'>cons</span> <span class='hs-keyword'>_</span>
<a name="line-211"></a>
<a name="line-212"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>eqrstate</span> <span class='hs-varop'>==</span> <span class='hs-conid'>EqRSNone</span>
<a name="line-213"></a>
<a name="line-214"></a> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>map</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>c</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-varid'>pc</span> <span class='hs-layout'>(</span><span class='hs-keyword'>case</span> <span class='hs-varid'>iotastep</span> <span class='hs-keyword'>of</span> <span class='hs-layout'>{</span><span class='hs-conid'>Just</span> <span class='hs-conid'>True</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>costUnification</span><span class='hs-layout'>;</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>if</span> <span class='hs-varid'>length</span> <span class='hs-varid'>cons</span> <span class='hs-varop'><=</span> <span class='hs-num'>1</span> <span class='hs-keyword'>then</span> <span class='hs-varid'>costAppConstructorSingle</span> <span class='hs-keyword'>else</span> <span class='hs-varid'>costAppConstructor</span><span class='hs-layout'>}</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-varid'>app</span> <span class='hs-conid'>Nothing</span> <span class='hs-layout'>(</span><span class='hs-conid'>Const</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-varid'>cons</span> <span class='hs-varop'>++</span>
<a name="line-215"></a> <span class='hs-varid'>generics</span>
<a name="line-216"></a>
<a name="line-217"></a> <span class='hs-varop'>++</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>maybe</span> <span class='hs-conid'>False</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>eqr</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>c</span> <span class='hs-varop'>==</span> <span class='hs-varid'>eqrcId</span> <span class='hs-varid'>eqr</span><span class='hs-layout'>)</span> <span class='hs-varid'>meqr</span> <span class='hs-keyword'>then</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>eq_sym</span><span class='hs-layout'>,</span> <span class='hs-varid'>eq_cong</span><span class='hs-layout'>,</span> <span class='hs-varid'>eq_begin_step_step</span><span class='hs-keyglyph'>]</span> <span class='hs-keyword'>else</span> <span class='hs-conid'>[]</span>
<a name="line-218"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>eqrstate</span> <span class='hs-varop'>==</span> <span class='hs-conid'>EqRSPrf1</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>generics</span> <span class='hs-varop'>++</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>eq_sym</span><span class='hs-layout'>,</span> <span class='hs-varid'>eq_cong</span><span class='hs-keyglyph'>]</span>
<a name="line-219"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>eqrstate</span> <span class='hs-varop'>==</span> <span class='hs-conid'>EqRSPrf2</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>generics</span> <span class='hs-varop'>++</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>eq_cong</span><span class='hs-keyglyph'>]</span>
<a name="line-220"></a>
<a name="line-221"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>generics</span>
<a name="line-222"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-varid'>generics</span>
<a name="line-223"></a> <span class='hs-layout'>(</span><span class='hs-conid'>RIUnifInfo</span> <span class='hs-varid'>cl</span> <span class='hs-varid'>hne</span> <span class='hs-conop'>:</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span>
<a name="line-224"></a> <span class='hs-keyword'>let</span>
<a name="line-225"></a> <span class='hs-varid'>subsvarapps</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-varid'>v</span> <span class='hs-keyglyph'>-></span>
<a name="line-226"></a> <span class='hs-layout'>(</span><span class='hs-varid'>costUnification</span><span class='hs-layout'>,</span>
<a name="line-227"></a> <span class='hs-varid'>app</span> <span class='hs-conid'>Nothing</span> <span class='hs-layout'>(</span><span class='hs-conid'>Var</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span>
<a name="line-228"></a> <span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>subsvars</span> <span class='hs-varid'>cl</span><span class='hs-layout'>)</span>
<a name="line-229"></a> <span class='hs-varid'>mlam</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>tt</span> <span class='hs-keyword'>of</span>
<a name="line-230"></a> <span class='hs-conid'>HNPi</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>hid</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-layout'>(</span><span class='hs-conid'>Abs</span> <span class='hs-varid'>id</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-varid'>costUnification</span><span class='hs-layout'>,</span> <span class='hs-varid'>lam</span> <span class='hs-varid'>hid</span> <span class='hs-varid'>id</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span>
<a name="line-231"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>[]</span>
<a name="line-232"></a> <span class='hs-varid'>generics</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>mlam</span> <span class='hs-varop'>++</span> <span class='hs-varid'>subsvarapps</span>
<a name="line-233"></a>
<a name="line-234"></a> <span class='hs-varid'>pickuid</span> <span class='hs-varid'>seenuids</span> <span class='hs-keyglyph'>=</span>
<a name="line-235"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>f</span> <span class='hs-varid'>seenuids</span> <span class='hs-keyword'>of</span>
<a name="line-236"></a> <span class='hs-conid'>Just</span> <span class='hs-varid'>uid</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-varid'>uid</span><span class='hs-layout'>,</span> <span class='hs-conid'>True</span><span class='hs-layout'>)</span>
<a name="line-237"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-varid'>head</span> <span class='hs-varid'>seenuids</span><span class='hs-layout'>,</span> <span class='hs-conid'>False</span><span class='hs-layout'>)</span> <span class='hs-comment'>-- ?? which uid to pick</span>
<a name="line-238"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>f</span> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Nothing</span>
<a name="line-239"></a> <span class='hs-varid'>f</span> <span class='hs-layout'>(</span><span class='hs-conid'>Nothing</span><span class='hs-conop'>:</span><span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Just</span> <span class='hs-conid'>Nothing</span>
<a name="line-240"></a> <span class='hs-varid'>f</span> <span class='hs-layout'>(</span><span class='hs-conid'>Just</span> <span class='hs-varid'>u</span><span class='hs-conop'>:</span><span class='hs-varid'>us</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>elem</span> <span class='hs-varid'>u</span> <span class='hs-varid'>uids</span> <span class='hs-keyword'>then</span> <span class='hs-varid'>f</span> <span class='hs-varid'>us</span> <span class='hs-keyword'>else</span> <span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-conid'>Just</span> <span class='hs-varid'>u</span><span class='hs-layout'>)</span>
<a name="line-241"></a> <span class='hs-keyword'>in</span>
<a name="line-242"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>hne</span> <span class='hs-keyword'>of</span>
<a name="line-243"></a> <span class='hs-conid'>HNApp</span> <span class='hs-varid'>seenuids</span> <span class='hs-layout'>(</span><span class='hs-conid'>Var</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span>
<a name="line-244"></a> <span class='hs-keyword'>let</span> <span class='hs-layout'>(</span><span class='hs-varid'>uid</span><span class='hs-layout'>,</span> <span class='hs-varid'>isunique</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>pickuid</span> <span class='hs-varid'>seenuids</span>
<a name="line-245"></a> <span class='hs-varid'>uni</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>univar</span> <span class='hs-varid'>cl</span> <span class='hs-varid'>v</span> <span class='hs-keyword'>of</span>
<a name="line-246"></a> <span class='hs-conid'>Just</span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>v</span> <span class='hs-varop'><</span> <span class='hs-varid'>n</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-keyword'>if</span> <span class='hs-varid'>isunique</span> <span class='hs-keyword'>then</span> <span class='hs-varid'>costUnification</span> <span class='hs-keyword'>else</span> <span class='hs-varid'>costUnificationOccurs</span><span class='hs-layout'>,</span> <span class='hs-varid'>app</span> <span class='hs-varid'>uid</span> <span class='hs-layout'>(</span><span class='hs-conid'>Var</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span>
<a name="line-247"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>[]</span>
<a name="line-248"></a> <span class='hs-keyword'>in</span> <span class='hs-varid'>uni</span> <span class='hs-varop'>++</span> <span class='hs-varid'>generics</span>
<a name="line-249"></a> <span class='hs-conid'>HNApp</span> <span class='hs-varid'>seenuids</span> <span class='hs-layout'>(</span><span class='hs-conid'>Const</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span>
<a name="line-250"></a> <span class='hs-keyword'>let</span> <span class='hs-layout'>(</span><span class='hs-varid'>uid</span><span class='hs-layout'>,</span> <span class='hs-varid'>isunique</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>pickuid</span> <span class='hs-varid'>seenuids</span>
<a name="line-251"></a> <span class='hs-keyword'>in</span> <span class='hs-layout'>(</span><span class='hs-keyword'>if</span> <span class='hs-varid'>isunique</span> <span class='hs-keyword'>then</span> <span class='hs-varid'>costUnification</span> <span class='hs-keyword'>else</span> <span class='hs-varid'>costUnificationOccurs</span><span class='hs-layout'>,</span> <span class='hs-varid'>app</span> <span class='hs-varid'>uid</span> <span class='hs-layout'>(</span><span class='hs-conid'>Const</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-conop'>:</span> <span class='hs-varid'>generics</span>
<a name="line-252"></a> <span class='hs-conid'>HNLam</span><span class='hs-layout'>{</span><span class='hs-layout'>}</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>generics</span>
<a name="line-253"></a> <span class='hs-conid'>HNPi</span> <span class='hs-varid'>seenuids</span> <span class='hs-varid'>hid</span> <span class='hs-varid'>possdep</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span>
<a name="line-254"></a> <span class='hs-keyword'>let</span> <span class='hs-layout'>(</span><span class='hs-varid'>uid</span><span class='hs-layout'>,</span> <span class='hs-varid'>isunique</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>pickuid</span> <span class='hs-varid'>seenuids</span>
<a name="line-255"></a> <span class='hs-keyword'>in</span> <span class='hs-layout'>(</span><span class='hs-keyword'>if</span> <span class='hs-varid'>isunique</span> <span class='hs-keyword'>then</span> <span class='hs-varid'>costUnification</span> <span class='hs-keyword'>else</span> <span class='hs-varid'>costUnificationOccurs</span><span class='hs-layout'>,</span> <span class='hs-varid'>pi</span> <span class='hs-varid'>uid</span> <span class='hs-varid'>possdep</span> <span class='hs-varid'>hid</span><span class='hs-layout'>)</span> <span class='hs-conop'>:</span> <span class='hs-varid'>generics</span>
<a name="line-256"></a> <span class='hs-conid'>HNSort</span> <span class='hs-layout'>(</span><span class='hs-conid'>Set</span> <span class='hs-varid'>l</span><span class='hs-layout'>)</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-varid'>l</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-varid'>costUnification</span><span class='hs-layout'>,</span> <span class='hs-varid'>set</span> <span class='hs-varid'>l</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>[</span><span class='hs-num'>0</span><span class='hs-keyglyph'>..</span><span class='hs-varid'>l</span><span class='hs-keyglyph'>]</span> <span class='hs-varop'>++</span> <span class='hs-varid'>generics</span>
<a name="line-257"></a> <span class='hs-conid'>HNSort</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>generics</span>
<a name="line-258"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-sel'>__IMPOSSIBLE__</span>
<a name="line-259"></a>
<a name="line-260"></a>
<a name="line-261"></a><a name="extraref"></a><span class='hs-definition'>extraref</span> <span class='hs-varid'>meta</span> <span class='hs-varid'>seenuids</span> <span class='hs-varid'>c</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-varid'>costAppExtraRef</span><span class='hs-layout'>,</span> <span class='hs-varid'>app</span> <span class='hs-layout'>(</span><span class='hs-varid'>head</span> <span class='hs-varid'>seenuids</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-conid'>Const</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-262"></a> <span class='hs-keyword'>where</span>
<a name="line-263"></a> <span class='hs-varid'>app</span> <span class='hs-varid'>muid</span> <span class='hs-varid'>elr</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>newPlaceholder</span>
<a name="line-264"></a> <span class='hs-varid'>okh</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>newOKHandle</span>
<a name="line-265"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>uid</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>muid</span> <span class='hs-keyword'>of</span>
<a name="line-266"></a> <span class='hs-conid'>Just</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>muid</span>
<a name="line-267"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Just</span> <span class='hs-varid'>meta</span>
<a name="line-268"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>App</span> <span class='hs-varid'>uid</span> <span class='hs-varid'>okh</span> <span class='hs-varid'>elr</span> <span class='hs-varid'>p</span>
<a name="line-269"></a>
<a name="line-270"></a>
<a name="line-271"></a><a name="instance%20Refinable%20(ICExp%20o)%20(RefInfo%20o)"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Refinable</span> <span class='hs-layout'>(</span><span class='hs-conid'>ICExp</span> <span class='hs-varid'>o</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-conid'>RefInfo</span> <span class='hs-varid'>o</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-272"></a> <span class='hs-varid'>refinements</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>infos</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span>
<a name="line-273"></a> <span class='hs-keyword'>let</span> <span class='hs-layout'>(</span><span class='hs-conid'>RICopyInfo</span> <span class='hs-varid'>e</span> <span class='hs-conop'>:</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>infos</span>
<a name="line-274"></a> <span class='hs-keyword'>in</span> <span class='hs-varid'>return</span> <span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-num'>0</span><span class='hs-layout'>,</span> <span class='hs-varid'>return</span> <span class='hs-varid'>e</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span>
<a name="line-275"></a>
<a name="line-276"></a>
<a name="line-277"></a><a name="instance%20Refinable%20(ConstRef%20o)%20(RefInfo%20o)"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Refinable</span> <span class='hs-layout'>(</span><span class='hs-conid'>ConstRef</span> <span class='hs-varid'>o</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-conid'>RefInfo</span> <span class='hs-varid'>o</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-278"></a> <span class='hs-varid'>refinements</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>RICheckProjIndex</span> <span class='hs-varid'>projs</span><span class='hs-keyglyph'>]</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-varid'>map</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-layout'>(</span><span class='hs-num'>0</span><span class='hs-layout'>,</span> <span class='hs-varid'>return</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-varid'>projs</span>
<a name="line-279"></a> <span class='hs-varid'>refinements</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-sel'>__IMPOSSIBLE__</span>
<a name="line-280"></a>
<a name="line-281"></a>
<a name="line-282"></a><a name="costIotaStep"></a><span class='hs-comment'>-- ---------------------------------</span>
<a name="line-283"></a><span class='hs-definition'>costIotaStep</span><span class='hs-layout'>,</span> <span class='hs-varid'>costAppExtraRef</span><span class='hs-layout'>,</span> <span class='hs-varid'>costIncrease</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Int</span>
<a name="line-284"></a><a name="costIncrease"></a><span class='hs-definition'>costIncrease</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>1000</span>
<a name="line-285"></a><a name="costUnificationOccurs"></a><span class='hs-definition'>costUnificationOccurs</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>100</span> <span class='hs-comment'>-- 1000001 -- 1 -- 100</span>
<a name="line-286"></a><a name="costUnification"></a><span class='hs-definition'>costUnification</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>0000</span>
<a name="line-287"></a><a name="costAppVar"></a><span class='hs-definition'>costAppVar</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>0000</span> <span class='hs-comment'>-- 0, 1</span>
<a name="line-288"></a><a name="costAppVarUsed"></a><span class='hs-definition'>costAppVarUsed</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>1000</span> <span class='hs-comment'>-- 5</span>
<a name="line-289"></a><a name="costAppHint"></a><span class='hs-definition'>costAppHint</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>3000</span> <span class='hs-comment'>-- 2, 5</span>
<a name="line-290"></a><a name="costAppHintUsed"></a><span class='hs-definition'>costAppHintUsed</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>5000</span>
<a name="line-291"></a><a name="costAppRecCall"></a><span class='hs-definition'>costAppRecCall</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>0</span> <span class='hs-comment'>-- 1000?</span>
<a name="line-292"></a><a name="costAppRecCallUsed"></a><span class='hs-definition'>costAppRecCallUsed</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>10000</span> <span class='hs-comment'>-- 1000?</span>
<a name="line-293"></a><a name="costAppConstructor"></a><span class='hs-definition'>costAppConstructor</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>1000</span>
<a name="line-294"></a><a name="costAppConstructorSingle"></a><span class='hs-definition'>costAppConstructorSingle</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>0000</span>
<a name="line-295"></a><a name="costAppExtraRef"></a><span class='hs-definition'>costAppExtraRef</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>1000</span>
<a name="line-296"></a><a name="costLam"></a><span class='hs-definition'>costLam</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>0000</span> <span class='hs-comment'>-- 1, 0</span>
<a name="line-297"></a><a name="costLamUnfold"></a><span class='hs-definition'>costLamUnfold</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>1000</span> <span class='hs-comment'>-- 1, 0</span>
<a name="line-298"></a><a name="costPi"></a><span class='hs-definition'>costPi</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>1000003</span> <span class='hs-comment'>-- 100 -- 5</span>
<a name="line-299"></a><a name="costSort"></a><span class='hs-definition'>costSort</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>1000004</span> <span class='hs-comment'>-- 0</span>
<a name="line-300"></a><span class='hs-definition'>costIotaStep</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>3000</span> <span class='hs-comment'>-- 1000005 -- 2 -- 100</span>
<a name="line-301"></a><a name="costInferredTypeUnkown"></a><span class='hs-definition'>costInferredTypeUnkown</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>1000006</span> <span class='hs-comment'>-- 100</span>
<a name="line-302"></a><a name="costAbsurdLam"></a><span class='hs-definition'>costAbsurdLam</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>0</span>
<a name="line-303"></a>
<a name="line-304"></a><a name="costEqStep"></a><span class='hs-definition'>costEqStep</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>2000</span>
<a name="line-305"></a><a name="costEqEnd"></a><span class='hs-definition'>costEqEnd</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>0</span>
<a name="line-306"></a><a name="costEqSym"></a><span class='hs-definition'>costEqSym</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>0</span>
<a name="line-307"></a><a name="costEqCong"></a><span class='hs-definition'>costEqCong</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>500</span>
<a name="line-308"></a>
<a name="line-309"></a>
<a name="line-310"></a><a name="prioNo"></a><span class='hs-definition'>prioNo</span><span class='hs-layout'>,</span> <span class='hs-varid'>prioTypeUnknown</span><span class='hs-layout'>,</span> <span class='hs-varid'>prioTypecheckArgList</span><span class='hs-layout'>,</span> <span class='hs-varid'>prioInferredTypeUnknown</span><span class='hs-layout'>,</span> <span class='hs-varid'>prioCompBeta</span><span class='hs-layout'>,</span> <span class='hs-varid'>prioCompBetaStructured</span><span class='hs-layout'>,</span> <span class='hs-varid'>prioCompareArgList</span><span class='hs-layout'>,</span> <span class='hs-varid'>prioCompIota</span><span class='hs-layout'>,</span> <span class='hs-varid'>prioCompChoice</span><span class='hs-layout'>,</span> <span class='hs-varid'>prioCompUnif</span><span class='hs-layout'>,</span> <span class='hs-varid'>prioCompCopy</span><span class='hs-layout'>,</span> <span class='hs-varid'>prioNoIota</span><span class='hs-layout'>,</span> <span class='hs-varid'>prioAbsurdLambda</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Int</span>
<a name="line-311"></a><span class='hs-definition'>prioNo</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-comment'>-</span><span class='hs-num'>1</span><span class='hs-layout'>)</span>
<a name="line-312"></a><a name="prioTypeUnknown"></a><span class='hs-definition'>prioTypeUnknown</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>0</span>
<a name="line-313"></a><a name="prioTypecheck"></a><span class='hs-definition'>prioTypecheck</span> <span class='hs-conid'>False</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>1000</span>
<a name="line-314"></a><span class='hs-definition'>prioTypecheck</span> <span class='hs-conid'>True</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>0</span>
<a name="line-315"></a><a name="prioTypecheckArgList"></a><span class='hs-definition'>prioTypecheckArgList</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>3000</span>
<a name="line-316"></a><a name="prioInferredTypeUnknown"></a><span class='hs-definition'>prioInferredTypeUnknown</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>4000</span>
<a name="line-317"></a><a name="prioCompBeta"></a><span class='hs-definition'>prioCompBeta</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>4000</span>
<a name="line-318"></a><a name="prioCompBetaStructured"></a><span class='hs-definition'>prioCompBetaStructured</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>4000</span>
<a name="line-319"></a><a name="prioCompIota"></a><span class='hs-definition'>prioCompIota</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>4000</span>
<a name="line-320"></a><a name="prioCompChoice"></a><span class='hs-definition'>prioCompChoice</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>5000</span> <span class='hs-comment'>-- 700 -- 5000</span>
<a name="line-321"></a><a name="prioCompUnif"></a><span class='hs-definition'>prioCompUnif</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>6000</span> <span class='hs-comment'>-- 2</span>
<a name="line-322"></a><a name="prioCompCopy"></a><span class='hs-definition'>prioCompCopy</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>8000</span>
<a name="line-323"></a><a name="prioCompareArgList"></a><span class='hs-definition'>prioCompareArgList</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>7000</span> <span class='hs-comment'>-- 5 -- 2</span>
<a name="line-324"></a><a name="prioNoIota"></a><span class='hs-definition'>prioNoIota</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>500</span> <span class='hs-comment'>-- 500</span>
<a name="line-325"></a><a name="prioAbsurdLambda"></a><span class='hs-definition'>prioAbsurdLambda</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>1000</span>
<a name="line-326"></a>
<a name="line-327"></a><a name="prioProjIndex"></a><span class='hs-definition'>prioProjIndex</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>3000</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Int</span>
<a name="line-328"></a>
<a name="line-329"></a>
<a name="line-330"></a><span class='hs-comment'>-- ---------------------------------</span>
<a name="line-331"></a>
<a name="line-332"></a><a name="instance%20Trav%20%5ba%5d%20blk"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Trav</span> <span class='hs-varid'>a</span> <span class='hs-varid'>blk</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>Trav</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>a</span><span class='hs-keyglyph'>]</span> <span class='hs-varid'>blk</span> <span class='hs-keyword'>where</span>
<a name="line-333"></a> <span class='hs-varid'>traverse</span> <span class='hs-keyword'>_</span> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>return</span> <span class='hs-conid'>()</span>
<a name="line-334"></a> <span class='hs-varid'>traverse</span> <span class='hs-varid'>f</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span><span class='hs-conop'>:</span><span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>traverse</span> <span class='hs-varid'>f</span> <span class='hs-varid'>x</span> <span class='hs-varop'>>></span> <span class='hs-varid'>traverse</span> <span class='hs-varid'>f</span> <span class='hs-varid'>xs</span>
<a name="line-335"></a>
<a name="line-336"></a><a name="instance%20Trav%20(MId,%20CExp%20o)%20(RefInfo%20o)"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Trav</span> <span class='hs-layout'>(</span><span class='hs-conid'>MId</span><span class='hs-layout'>,</span> <span class='hs-conid'>CExp</span> <span class='hs-varid'>o</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-conid'>RefInfo</span> <span class='hs-varid'>o</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-337"></a> <span class='hs-varid'>traverse</span> <span class='hs-varid'>f</span> <span class='hs-layout'>(</span><span class='hs-keyword'>_</span><span class='hs-layout'>,</span> <span class='hs-varid'>ce</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>traverse</span> <span class='hs-varid'>f</span> <span class='hs-varid'>ce</span>
<a name="line-338"></a>
<a name="line-339"></a><a name="instance%20Trav%20(TrBr%20a%20o)%20(RefInfo%20o)"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Trav</span> <span class='hs-layout'>(</span><span class='hs-conid'>TrBr</span> <span class='hs-varid'>a</span> <span class='hs-varid'>o</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-conid'>RefInfo</span> <span class='hs-varid'>o</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-340"></a> <span class='hs-varid'>traverse</span> <span class='hs-varid'>f</span> <span class='hs-layout'>(</span><span class='hs-conid'>TrBr</span> <span class='hs-varid'>es</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>traverse</span> <span class='hs-varid'>f</span> <span class='hs-varid'>es</span>
<a name="line-341"></a>
<a name="line-342"></a><a name="instance%20Trav%20(Exp%20o)%20(RefInfo%20o)"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Trav</span> <span class='hs-layout'>(</span><span class='hs-conid'>Exp</span> <span class='hs-varid'>o</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-conid'>RefInfo</span> <span class='hs-varid'>o</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-343"></a> <span class='hs-varid'>traverse</span> <span class='hs-varid'>f</span> <span class='hs-varid'>e</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>e</span> <span class='hs-keyword'>of</span>
<a name="line-344"></a> <span class='hs-conid'>App</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>args</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>traverse</span> <span class='hs-varid'>f</span> <span class='hs-varid'>args</span>
<a name="line-345"></a> <span class='hs-conid'>Lam</span> <span class='hs-keyword'>_</span> <span class='hs-layout'>(</span><span class='hs-conid'>Abs</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>traverse</span> <span class='hs-varid'>f</span> <span class='hs-varid'>b</span>
<a name="line-346"></a> <span class='hs-conid'>Pi</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>it</span> <span class='hs-layout'>(</span><span class='hs-conid'>Abs</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>ot</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>traverse</span> <span class='hs-varid'>f</span> <span class='hs-varid'>it</span> <span class='hs-varop'>>></span> <span class='hs-varid'>traverse</span> <span class='hs-varid'>f</span> <span class='hs-varid'>ot</span>
<a name="line-347"></a> <span class='hs-conid'>Sort</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-conid'>()</span>
<a name="line-348"></a>
<a name="line-349"></a> <span class='hs-conid'>AbsurdLambda</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-conid'>()</span>
<a name="line-350"></a>
<a name="line-351"></a>
<a name="line-352"></a><a name="instance%20Trav%20(ArgList%20o)%20(RefInfo%20o)"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Trav</span> <span class='hs-layout'>(</span><span class='hs-conid'>ArgList</span> <span class='hs-varid'>o</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-conid'>RefInfo</span> <span class='hs-varid'>o</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-353"></a> <span class='hs-varid'>traverse</span> <span class='hs-keyword'>_</span> <span class='hs-conid'>ALNil</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>return</span> <span class='hs-conid'>()</span>
<a name="line-354"></a> <span class='hs-varid'>traverse</span> <span class='hs-varid'>f</span> <span class='hs-layout'>(</span><span class='hs-conid'>ALCons</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>arg</span> <span class='hs-varid'>args</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>traverse</span> <span class='hs-varid'>f</span> <span class='hs-varid'>arg</span> <span class='hs-varop'>>></span> <span class='hs-varid'>traverse</span> <span class='hs-varid'>f</span> <span class='hs-varid'>args</span>
<a name="line-355"></a>
<a name="line-356"></a> <span class='hs-varid'>traverse</span> <span class='hs-varid'>f</span> <span class='hs-layout'>(</span><span class='hs-conid'>ALProj</span> <span class='hs-varid'>eas</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>as</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>traverse</span> <span class='hs-varid'>f</span> <span class='hs-varid'>eas</span> <span class='hs-varop'>>></span> <span class='hs-varid'>traverse</span> <span class='hs-varid'>f</span> <span class='hs-keyword'>as</span>
<a name="line-357"></a>
<a name="line-358"></a>
<a name="line-359"></a> <span class='hs-varid'>traverse</span> <span class='hs-varid'>f</span> <span class='hs-layout'>(</span><span class='hs-conid'>ALConPar</span> <span class='hs-varid'>args</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>traverse</span> <span class='hs-varid'>f</span> <span class='hs-varid'>args</span>
<a name="line-360"></a>
<a name="line-361"></a>
<a name="line-362"></a><span class='hs-comment'>-- ---------------------------------</span>
</pre></body>
</html>
