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<h3>
Richard Eisenberg pushed to branch wip/cfuneqcan-refactor
at <a href="https://gitlab.haskell.org/ghc/ghc">Glasgow Haskell Compiler / GHC</a>
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<h4>
Commits:
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<ul>
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<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/25f50147f3472bf8a098eff1a9dff642b812e36c">25f50147</a></strong>
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<span>by Richard Eisenberg</span>
<i>at 2020-10-10T22:42:35-04:00</i>
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<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Break module cycle
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<h4>8 changed files:</h4>
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<li class="file-stats">
<a href="#e8ff513ccf778ec681682afdca3a5b899745fd60">
compiler/GHC/Core/Map.hs
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<li class="file-stats">
<a href="#691eec62dc293d0881c314b38b7363dc88b44c59">
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+
compiler/GHC/Core/Map/Type.hs
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<li class="file-stats">
<a href="#89a2e0e1a3095c7a42b10f2819049908908080e8">
compiler/GHC/Core/Unify.hs
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<li class="file-stats">
<a href="#1cf39038e57acc2a80cb5fb3fef9733e8e37b8fb">
compiler/GHC/Iface/Ext/Utils.hs
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<a href="#90a56cf7f130d66194a6a61cb5f372eb339ab111">
compiler/GHC/Stg/CSE.hs
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<li class="file-stats">
<a href="#ad440013ca2a3a7accc3edc7f7807446b7b079c2">
compiler/GHC/Tc/Instance/Typeable.hs
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<a href="#0c6b585a8a21f8340a85ca2cef89c4b1bf5a8953">
compiler/GHC/Tc/Solver/Monad.hs
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<li class="file-stats">
<a href="#0f33fd88c617246c7f89c4477d2d1d24f942df23">
compiler/ghc.cabal.in
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<h4>Changes:</h4>
<li id="e8ff513ccf778ec681682afdca3a5b899745fd60">
<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/25f50147f3472bf8a098eff1a9dff642b812e36c#e8ff513ccf778ec681682afdca3a5b899745fd60"><strong>compiler/GHC/Core/Map.hs</strong></a>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -12,24 +12,13 @@</td>
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<pre style="margin: 0;"> <span id="LC12" class="line" lang="haskell"><span class="cp" style="color: #999; font-weight: 600;">{-# LANGUAGE UndecidableInstances #-}</span></span>
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<pre style="margin: 0;"> <span id="LC13" class="line" lang="haskell"><span class="cp" style="color: #999; font-weight: 600;">{-# LANGUAGE ScopedTypeVariables #-}</span></span>
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<pre style="margin: 0;"> <span id="LC14" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC15" class="line" lang="haskell"><span class="cp" style="color: #999; font-weight: 600;">{-# OPTIONS_GHC -Wno-orphans #-}</span></span>
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<td class="diff-line-num new new_line" data-linenumber="16" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC16" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- Eq (DeBruijn CoreExpr) and Eq (DeBruijn CoreAlt)</span></span>
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<pre style="margin: 0;">+<span id="LC17" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC18" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">module</span> <span class="nn" style="color: #555;">GHC.Core.Map</span> <span class="p">(</span></span>
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<td class="diff-line-num new_line" data-linenumber="19" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC19" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- * Maps over Core expressions</span></span>
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<pre style="margin: 0;"> <span id="LC20" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">CoreMap</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">emptyCoreMap</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">extendCoreMap</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">lookupCoreMap</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">foldCoreMap</span><span class="p">,</span></span>
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<pre style="margin: 0;">-<span id="LC18" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- * Maps over 'Type's</span></span>
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<pre style="margin: 0;">-<span id="LC19" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">TypeMap</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">emptyTypeMap</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">extendTypeMap</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">lookupTypeMap</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">foldTypeMap</span><span class="p">,</span></span>
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<pre style="margin: 0;">-<span id="LC20" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">LooseTypeMap</span><span class="p">,</span></span>
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<pre style="margin: 0;">-<span id="LC21" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- ** With explicit scoping</span></span>
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<pre style="margin: 0;">-<span id="LC22" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">CmEnv</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">lookupCME</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">extendTypeMapWithScope</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">lookupTypeMapWithScope</span><span class="p">,</span></span>
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<pre style="margin: 0;">-<span id="LC23" class="line" lang="haskell"> <span class="nf" style="color: #900; font-weight: 600;">mkDeBruijnContext</span><span class="p">,</span></span>
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<pre style="margin: 0;">-<span id="LC24" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- * Maps over 'Maybe' values</span></span>
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<pre style="margin: 0;">-<span id="LC25" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">MaybeMap</span><span class="p">,</span></span>
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<pre style="margin: 0;">-<span id="LC26" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- * Maps over 'List' values</span></span>
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<pre style="margin: 0;">-<span id="LC27" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">ListMap</span><span class="p">,</span></span>
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<pre style="margin: 0;">-<span id="LC28" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- * Maps over 'Literal's</span></span>
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<pre style="margin: 0;">-<span id="LC29" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">LiteralMap</span><span class="p">,</span></span>
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<pre style="margin: 0;">-<span id="LC30" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- * Map for compressing leaves. See Note [Compressed TrieMap]</span></span>
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<pre style="margin: 0;">-<span id="LC31" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">GenMap</span><span class="p">,</span></span>
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<pre style="margin: 0;">-<span id="LC32" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- * 'TrieMap' class</span></span>
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<pre style="margin: 0;">+<span id="LC21" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- * 'TrieMap' class reexports</span></span>
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<pre style="margin: 0;"> <span id="LC22" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">TrieMap</span><span class="p">(</span><span class="o" style="font-weight: 600;">..</span><span class="p">),</span> <span class="nf" style="color: #900; font-weight: 600;">insertTM</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">deleteTM</span><span class="p">,</span></span>
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<pre style="margin: 0;"> <span id="LC23" class="line" lang="haskell"> <span class="nf" style="color: #900; font-weight: 600;">lkDFreeVar</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">xtDFreeVar</span><span class="p">,</span></span>
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<pre style="margin: 0;"> <span id="LC24" class="line" lang="haskell"> <span class="nf" style="color: #900; font-weight: 600;">lkDNamed</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">xtDNamed</span><span class="p">,</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -41,22 +30,15 @@ module GHC.Core.Map (</td>
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<pre style="margin: 0;"> <span id="LC30" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Prelude</span></span>
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<pre style="margin: 0;"> <span id="LC31" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC32" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Data.TrieMap</span></span>
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<pre style="margin: 0;">+<span id="LC33" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Core.Map.Type</span></span>
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<pre style="margin: 0;"> <span id="LC34" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Core</span></span>
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<pre style="margin: 0;">-<span id="LC45" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Core.Coercion</span></span>
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<pre style="margin: 0;">-<span id="LC46" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Types.Name</span></span>
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<pre style="margin: 0;"> <span id="LC35" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Core.Type</span></span>
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<pre style="margin: 0;">-<span id="LC48" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Core.TyCo.Rep</span></span>
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<pre style="margin: 0;"> <span id="LC36" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Types.Var</span></span>
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<pre style="margin: 0;">-<span id="LC50" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Data.FastString</span><span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">FastString</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC37" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC38" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Utils.Misc</span></span>
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<pre style="margin: 0;"> <span id="LC39" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Utils.Outputable</span></span>
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<pre style="margin: 0;">-<span id="LC54" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Utils.Panic</span></span>
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<pre style="margin: 0;"> <span id="LC40" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC41" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="k" style="font-weight: 600;">qualified</span> <span class="nn" style="color: #555;">Data.Map</span> <span class="k" style="font-weight: 600;">as</span> <span class="n" style="color: #333;">Map</span></span>
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<pre style="margin: 0;">-<span id="LC57" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="k" style="font-weight: 600;">qualified</span> <span class="nn" style="color: #555;">Data.IntMap</span> <span class="k" style="font-weight: 600;">as</span> <span class="n" style="color: #333;">IntMap</span></span>
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<pre style="margin: 0;">-<span id="LC58" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Types.Unique.FM</span></span>
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<pre style="margin: 0;">-<span id="LC59" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Types.Var.Env</span></span>
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<pre style="margin: 0;"> <span id="LC42" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Types.Name.Env</span></span>
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<pre style="margin: 0;"> <span id="LC43" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">Control.Monad</span><span class="p">(</span> <span class="p">(</span><span class="o" style="font-weight: 600;">>=></span><span class="p">)</span> <span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC44" class="line" lang="haskell"></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -76,27 +58,12 @@ numbered on the fly.</td>
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<pre style="margin: 0;"> <span id="LC58" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Recall that</span></span>
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<pre style="margin: 0;"> <span id="LC59" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Control.Monad.(>=>) :: (a -> Maybe b) -> (b -> Maybe c) -> a -> Maybe c</span></span>
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<pre style="margin: 0;"> <span id="LC60" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC79" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- NB: Be careful about RULES and type families (#5821). So we should make sure</span></span>
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<pre style="margin: 0;">-<span id="LC80" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- to specify @Key TypeMapX@ (and not @DeBruijn Type@, the reduced form)</span></span>
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<pre style="margin: 0;">-<span id="LC81" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC61" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- The CoreMap makes heavy use of GenMap. However the CoreMap Types are not</span></span>
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<pre style="margin: 0;"> <span id="LC62" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- known when defining GenMap so we can only specialize them here.</span></span>
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<pre style="margin: 0;"> <span id="LC63" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC85" class="line" lang="haskell"><span class="cp" style="color: #999; font-weight: 600;">{-# SPECIALIZE lkG :: Key TypeMapX -> TypeMapG a -> Maybe a #-}</span></span>
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<pre style="margin: 0;">-<span id="LC86" class="line" lang="haskell"><span class="cp" style="color: #999; font-weight: 600;">{-# SPECIALIZE lkG :: Key CoercionMapX -> CoercionMapG a -> Maybe a #-}</span></span>
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<pre style="margin: 0;"> <span id="LC64" class="line" lang="haskell"><span class="cp" style="color: #999; font-weight: 600;">{-# SPECIALIZE lkG :: Key CoreMapX -> CoreMapG a -> Maybe a #-}</span></span>
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<pre style="margin: 0;">-<span id="LC88" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC89" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC90" class="line" lang="haskell"><span class="cp" style="color: #999; font-weight: 600;">{-# SPECIALIZE xtG :: Key TypeMapX -> XT a -> TypeMapG a -> TypeMapG a #-}</span></span>
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<pre style="margin: 0;">-<span id="LC91" class="line" lang="haskell"><span class="cp" style="color: #999; font-weight: 600;">{-# SPECIALIZE xtG :: Key CoercionMapX -> XT a -> CoercionMapG a -> CoercionMapG a #-}</span></span>
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<pre style="margin: 0;"> <span id="LC65" class="line" lang="haskell"><span class="cp" style="color: #999; font-weight: 600;">{-# SPECIALIZE xtG :: Key CoreMapX -> XT a -> CoreMapG a -> CoreMapG a #-}</span></span>
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<pre style="margin: 0;">-<span id="LC93" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC94" class="line" lang="haskell"><span class="cp" style="color: #999; font-weight: 600;">{-# SPECIALIZE mapG :: (a -> b) -> TypeMapG a -> TypeMapG b #-}</span></span>
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<pre style="margin: 0;">-<span id="LC95" class="line" lang="haskell"><span class="cp" style="color: #999; font-weight: 600;">{-# SPECIALIZE mapG :: (a -> b) -> CoercionMapG a -> CoercionMapG b #-}</span></span>
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<pre style="margin: 0;"> <span id="LC66" class="line" lang="haskell"><span class="cp" style="color: #999; font-weight: 600;">{-# SPECIALIZE mapG :: (a -> b) -> CoreMapG a -> CoreMapG b #-}</span></span>
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<pre style="margin: 0;">-<span id="LC97" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC98" class="line" lang="haskell"><span class="cp" style="color: #999; font-weight: 600;">{-# SPECIALIZE fdG :: (a -> b -> b) -> TypeMapG a -> b -> b #-}</span></span>
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<pre style="margin: 0;">-<span id="LC99" class="line" lang="haskell"><span class="cp" style="color: #999; font-weight: 600;">{-# SPECIALIZE fdG :: (a -> b -> b) -> CoercionMapG a -> b -> b #-}</span></span>
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<pre style="margin: 0;"> <span id="LC67" class="line" lang="haskell"><span class="cp" style="color: #999; font-weight: 600;">{-# SPECIALIZE fdG :: (a -> b -> b) -> CoreMapG a -> b -> b #-}</span></span>
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<pre style="margin: 0;"> <span id="LC68" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC69" class="line" lang="haskell"></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -108,13 +75,6 @@ numbered on the fly.</td>
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<pre style="margin: 0;"> <span id="LC75" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">************************************************************************</span></span>
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<pre style="margin: 0;"> <span id="LC76" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">-}</span></span>
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<pre style="margin: 0;"> <span id="LC77" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC111" class="line" lang="haskell"><span class="n" style="color: #333;">lkDNamed</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">NamedThing</span> <span class="n" style="color: #333;">n</span> <span class="o" style="font-weight: 600;">=></span> <span class="n" style="color: #333;">n</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">DNameEnv</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Maybe</span> <span class="n" style="color: #333;">a</span></span>
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<pre style="margin: 0;">-<span id="LC112" class="line" lang="haskell"><span class="n" style="color: #333;">lkDNamed</span> <span class="n" style="color: #333;">n</span> <span class="n" style="color: #333;">env</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">lookupDNameEnv</span> <span class="n" style="color: #333;">env</span> <span class="p">(</span><span class="n" style="color: #333;">getName</span> <span class="n" style="color: #333;">n</span><span class="p">)</span></span>
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<pre style="margin: 0;">-<span id="LC113" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC114" class="line" lang="haskell"><span class="n" style="color: #333;">xtDNamed</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">NamedThing</span> <span class="n" style="color: #333;">n</span> <span class="o" style="font-weight: 600;">=></span> <span class="n" style="color: #333;">n</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">XT</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">DNameEnv</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">DNameEnv</span> <span class="n" style="color: #333;">a</span></span>
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<pre style="margin: 0;">-<span id="LC115" class="line" lang="haskell"><span class="n" style="color: #333;">xtDNamed</span> <span class="n" style="color: #333;">tc</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">m</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">alterDNameEnv</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">m</span> <span class="p">(</span><span class="n" style="color: #333;">getName</span> <span class="n" style="color: #333;">tc</span><span class="p">)</span></span>
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<pre style="margin: 0;">-<span id="LC116" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC117" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC78" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">{-</span></span>
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<pre style="margin: 0;"> <span id="LC79" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Note [Binders]</span></span>
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<pre style="margin: 0;"> <span id="LC80" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">~~~~~~~~~~~~~~</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -408,431 +368,3 @@ fdA :: (a -> b -> b) -> AltMap a -> b -> b</td>
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<pre style="margin: 0;"> <span id="LC368" class="line" lang="haskell"><span class="n" style="color: #333;">fdA</span> <span class="n" style="color: #333;">k</span> <span class="n" style="color: #333;">m</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">foldTM</span> <span class="n" style="color: #333;">k</span> <span class="p">(</span><span class="n" style="color: #333;">am_deflt</span> <span class="n" style="color: #333;">m</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC369" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">.</span> <span class="n" style="color: #333;">foldTM</span> <span class="p">(</span><span class="n" style="color: #333;">foldTM</span> <span class="n" style="color: #333;">k</span><span class="p">)</span> <span class="p">(</span><span class="n" style="color: #333;">am_data</span> <span class="n" style="color: #333;">m</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC370" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">.</span> <span class="n" style="color: #333;">foldTM</span> <span class="p">(</span><span class="n" style="color: #333;">foldTM</span> <span class="n" style="color: #333;">k</span><span class="p">)</span> <span class="p">(</span><span class="n" style="color: #333;">am_lit</span> <span class="n" style="color: #333;">m</span><span class="p">)</span></span></pre>
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<pre style="margin: 0;">-<span id="LC411" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC412" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">{-</span></span>
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<pre style="margin: 0;">-<span id="LC413" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">************************************************************************</span></span>
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<pre style="margin: 0;">-<span id="LC414" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">* *</span></span>
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<pre style="margin: 0;">-<span id="LC415" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;"> Coercions</span></span>
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<pre style="margin: 0;">-<span id="LC416" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">* *</span></span>
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<pre style="margin: 0;">-<span id="LC417" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">************************************************************************</span></span>
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<pre style="margin: 0;">-<span id="LC418" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">-}</span></span>
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<pre style="margin: 0;">-<span id="LC419" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC420" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- We should really never care about the contents of a coercion. Instead,</span></span>
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<pre style="margin: 0;">-<span id="LC421" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- just look up the coercion's type.</span></span>
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<pre style="margin: 0;">-<span id="LC422" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">newtype</span> <span class="kt" style="color: #458; font-weight: 600;">CoercionMap</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">CoercionMap</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CoercionMapG</span> <span class="n" style="color: #333;">a</span><span class="p">)</span></span>
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<pre style="margin: 0;">-<span id="LC423" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC424" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">TrieMap</span> <span class="kt" style="color: #458; font-weight: 600;">CoercionMap</span> <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;">-<span id="LC425" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">type</span> <span class="kt" style="color: #458; font-weight: 600;">Key</span> <span class="kt" style="color: #458; font-weight: 600;">CoercionMap</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Coercion</span></span>
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<pre style="margin: 0;">-<span id="LC426" class="line" lang="haskell"> <span class="n" style="color: #333;">emptyTM</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">CoercionMap</span> <span class="n" style="color: #333;">emptyTM</span></span>
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<pre style="margin: 0;">-<span id="LC427" class="line" lang="haskell"> <span class="n" style="color: #333;">lookupTM</span> <span class="n" style="color: #333;">k</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CoercionMap</span> <span class="n" style="color: #333;">m</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">lookupTM</span> <span class="p">(</span><span class="n" style="color: #333;">deBruijnize</span> <span class="n" style="color: #333;">k</span><span class="p">)</span> <span class="n" style="color: #333;">m</span></span>
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<pre style="margin: 0;">-<span id="LC428" class="line" lang="haskell"> <span class="n" style="color: #333;">alterTM</span> <span class="n" style="color: #333;">k</span> <span class="n" style="color: #333;">f</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CoercionMap</span> <span class="n" style="color: #333;">m</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">CoercionMap</span> <span class="p">(</span><span class="n" style="color: #333;">alterTM</span> <span class="p">(</span><span class="n" style="color: #333;">deBruijnize</span> <span class="n" style="color: #333;">k</span><span class="p">)</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">m</span><span class="p">)</span></span>
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<pre style="margin: 0;">-<span id="LC429" class="line" lang="haskell"> <span class="n" style="color: #333;">foldTM</span> <span class="n" style="color: #333;">k</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CoercionMap</span> <span class="n" style="color: #333;">m</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">foldTM</span> <span class="n" style="color: #333;">k</span> <span class="n" style="color: #333;">m</span></span>
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<pre style="margin: 0;">-<span id="LC430" class="line" lang="haskell"> <span class="n" style="color: #333;">mapTM</span> <span class="n" style="color: #333;">f</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CoercionMap</span> <span class="n" style="color: #333;">m</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">CoercionMap</span> <span class="p">(</span><span class="n" style="color: #333;">mapTM</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">m</span><span class="p">)</span></span>
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<pre style="margin: 0;">-<span id="LC431" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC432" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">type</span> <span class="kt" style="color: #458; font-weight: 600;">CoercionMapG</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">GenMap</span> <span class="kt" style="color: #458; font-weight: 600;">CoercionMapX</span></span>
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<pre style="margin: 0;">-<span id="LC433" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">newtype</span> <span class="kt" style="color: #458; font-weight: 600;">CoercionMapX</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">CoercionMapX</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">TypeMapX</span> <span class="n" style="color: #333;">a</span><span class="p">)</span></span>
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<pre style="margin: 0;">-<span id="LC434" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC435" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">TrieMap</span> <span class="kt" style="color: #458; font-weight: 600;">CoercionMapX</span> <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;">-<span id="LC436" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">type</span> <span class="kt" style="color: #458; font-weight: 600;">Key</span> <span class="kt" style="color: #458; font-weight: 600;">CoercionMapX</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">DeBruijn</span> <span class="kt" style="color: #458; font-weight: 600;">Coercion</span></span>
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<pre style="margin: 0;">-<span id="LC437" class="line" lang="haskell"> <span class="n" style="color: #333;">emptyTM</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">CoercionMapX</span> <span class="n" style="color: #333;">emptyTM</span></span>
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<pre style="margin: 0;">-<span id="LC438" class="line" lang="haskell"> <span class="n" style="color: #333;">lookupTM</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">lkC</span></span>
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<pre style="margin: 0;">-<span id="LC439" class="line" lang="haskell"> <span class="n" style="color: #333;">alterTM</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">xtC</span></span>
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<pre style="margin: 0;">-<span id="LC440" class="line" lang="haskell"> <span class="n" style="color: #333;">foldTM</span> <span class="n" style="color: #333;">f</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CoercionMapX</span> <span class="n" style="color: #333;">core_tm</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">foldTM</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">core_tm</span></span>
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<pre style="margin: 0;">-<span id="LC441" class="line" lang="haskell"> <span class="n" style="color: #333;">mapTM</span> <span class="n" style="color: #333;">f</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CoercionMapX</span> <span class="n" style="color: #333;">core_tm</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">CoercionMapX</span> <span class="p">(</span><span class="n" style="color: #333;">mapTM</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">core_tm</span><span class="p">)</span></span>
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<pre style="margin: 0;">-<span id="LC442" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC443" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">Eq</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">DeBruijn</span> <span class="kt" style="color: #458; font-weight: 600;">Coercion</span><span class="p">)</span> <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;">-<span id="LC444" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env1</span> <span class="n" style="color: #333;">co1</span> <span class="o" style="font-weight: 600;">==</span> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env2</span> <span class="n" style="color: #333;">co2</span></span>
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<pre style="margin: 0;">-<span id="LC445" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env1</span> <span class="p">(</span><span class="n" style="color: #333;">coercionType</span> <span class="n" style="color: #333;">co1</span><span class="p">)</span> <span class="o" style="font-weight: 600;">==</span></span>
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<pre style="margin: 0;">-<span id="LC446" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env2</span> <span class="p">(</span><span class="n" style="color: #333;">coercionType</span> <span class="n" style="color: #333;">co2</span><span class="p">)</span></span>
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<pre style="margin: 0;">-<span id="LC447" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC448" class="line" lang="haskell"><span class="n" style="color: #333;">lkC</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">DeBruijn</span> <span class="kt" style="color: #458; font-weight: 600;">Coercion</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">CoercionMapX</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Maybe</span> <span class="n" style="color: #333;">a</span></span>
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<pre style="margin: 0;">-<span id="LC449" class="line" lang="haskell"><span class="n" style="color: #333;">lkC</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">co</span><span class="p">)</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CoercionMapX</span> <span class="n" style="color: #333;">core_tm</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">lkT</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">coercionType</span> <span class="n" style="color: #333;">co</span><span class="p">)</span></span>
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<pre style="margin: 0;">-<span id="LC450" class="line" lang="haskell"> <span class="n" style="color: #333;">core_tm</span></span>
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<pre style="margin: 0;">-<span id="LC451" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC452" class="line" lang="haskell"><span class="n" style="color: #333;">xtC</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">DeBruijn</span> <span class="kt" style="color: #458; font-weight: 600;">Coercion</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">XT</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">CoercionMapX</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">CoercionMapX</span> <span class="n" style="color: #333;">a</span></span>
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<pre style="margin: 0;">-<span id="LC453" class="line" lang="haskell"><span class="n" style="color: #333;">xtC</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">co</span><span class="p">)</span> <span class="n" style="color: #333;">f</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CoercionMapX</span> <span class="n" style="color: #333;">m</span><span class="p">)</span></span>
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<pre style="margin: 0;">-<span id="LC454" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">CoercionMapX</span> <span class="p">(</span><span class="n" style="color: #333;">xtT</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">coercionType</span> <span class="n" style="color: #333;">co</span><span class="p">)</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">m</span><span class="p">)</span></span>
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<pre style="margin: 0;">-<span id="LC455" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC456" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">{-</span></span>
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<pre style="margin: 0;">-<span id="LC457" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">************************************************************************</span></span>
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<pre style="margin: 0;">-<span id="LC458" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">* *</span></span>
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<pre style="margin: 0;">-<span id="LC459" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;"> Types</span></span>
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<pre style="margin: 0;">-<span id="LC460" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">* *</span></span>
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<pre style="margin: 0;">-<span id="LC461" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">************************************************************************</span></span>
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<pre style="margin: 0;">-<span id="LC462" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">-}</span></span>
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<pre style="margin: 0;">-<span id="LC463" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC464" class="line" lang="haskell"><span class="cd">-- | @TypeMapG a@ is a map from @DeBruijn Type@ to @a@. The extended</span></span>
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<pre style="margin: 0;">-<span id="LC465" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- key makes it suitable for recursive traversal, since it can track binders,</span></span>
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<pre style="margin: 0;">-<span id="LC466" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- but it is strictly internal to this module. If you are including a 'TypeMap'</span></span>
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<pre style="margin: 0;">-<span id="LC467" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- inside another 'TrieMap', this is the type you want. Note that this</span></span>
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<pre style="margin: 0;">-<span id="LC468" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- lookup does not do a kind-check. Thus, all keys in this map must have</span></span>
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<pre style="margin: 0;">-<span id="LC469" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- the same kind. Also note that this map respects the distinction between</span></span>
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<pre style="margin: 0;">-<span id="LC470" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- @Type@ and @Constraint@, despite the fact that they are equivalent type</span></span>
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<pre style="margin: 0;">-<span id="LC471" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- synonyms in Core.</span></span>
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<pre style="margin: 0;">-<span id="LC472" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">type</span> <span class="kt" style="color: #458; font-weight: 600;">TypeMapG</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">GenMap</span> <span class="kt" style="color: #458; font-weight: 600;">TypeMapX</span></span>
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<pre style="margin: 0;">-<span id="LC473" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC474" class="line" lang="haskell"><span class="cd">-- | @TypeMapX a@ is the base map from @DeBruijn Type@ to @a@, but without the</span></span>
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<pre style="margin: 0;">-<span id="LC475" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- 'GenMap' optimization.</span></span>
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<pre style="margin: 0;">-<span id="LC476" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">data</span> <span class="kt" style="color: #458; font-weight: 600;">TypeMapX</span> <span class="n" style="color: #333;">a</span></span>
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<pre style="margin: 0;">-<span id="LC477" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">TM</span> <span class="p">{</span> <span class="n" style="color: #333;">tm_var</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">VarMap</span> <span class="n" style="color: #333;">a</span></span>
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<pre style="margin: 0;">-<span id="LC478" class="line" lang="haskell"> <span class="p">,</span> <span class="n" style="color: #333;">tm_app</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">TypeMapG</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">TypeMapG</span> <span class="n" style="color: #333;">a</span><span class="p">)</span></span>
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<pre style="margin: 0;">-<span id="LC479" class="line" lang="haskell"> <span class="p">,</span> <span class="n" style="color: #333;">tm_tycon</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">DNameEnv</span> <span class="n" style="color: #333;">a</span></span>
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<pre style="margin: 0;">-<span id="LC480" class="line" lang="haskell"> <span class="p">,</span> <span class="n" style="color: #333;">tm_forall</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">TypeMapG</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">BndrMap</span> <span class="n" style="color: #333;">a</span><span class="p">)</span> <span class="c1" style="color: #998; font-style: italic;">-- See Note [Binders]</span></span>
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<pre style="margin: 0;">-<span id="LC481" class="line" lang="haskell"> <span class="p">,</span> <span class="n" style="color: #333;">tm_tylit</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">TyLitMap</span> <span class="n" style="color: #333;">a</span></span>
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<pre style="margin: 0;">-<span id="LC482" class="line" lang="haskell"> <span class="p">,</span> <span class="n" style="color: #333;">tm_coerce</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Maybe</span> <span class="n" style="color: #333;">a</span></span>
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<pre style="margin: 0;">-<span id="LC483" class="line" lang="haskell"> <span class="p">}</span></span>
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<pre style="margin: 0;">-<span id="LC484" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- Note that there is no tyconapp case; see Note [Equality on AppTys] in GHC.Core.Type</span></span>
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<pre style="margin: 0;">-<span id="LC485" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC486" class="line" lang="haskell"><span class="cd">-- | Squeeze out any synonyms, and change TyConApps to nested AppTys. Why the</span></span>
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<pre style="margin: 0;">-<span id="LC487" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- last one? See Note [Equality on AppTys] in "GHC.Core.Type"</span></span>
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<pre style="margin: 0;">-<span id="LC488" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--</span></span>
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<pre style="margin: 0;">-<span id="LC489" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Note, however, that we keep Constraint and Type apart here, despite the fact</span></span>
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<pre style="margin: 0;">-<span id="LC490" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- that they are both synonyms of TYPE 'LiftedRep (see #11715).</span></span>
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<pre style="margin: 0;">-<span id="LC491" class="line" lang="haskell"><span class="n" style="color: #333;">trieMapView</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Type</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Maybe</span> <span class="kt" style="color: #458; font-weight: 600;">Type</span></span>
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<pre style="margin: 0;">-<span id="LC492" class="line" lang="haskell"><span class="n" style="color: #333;">trieMapView</span> <span class="n" style="color: #333;">ty</span></span>
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<pre style="margin: 0;">-<span id="LC493" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- First check for TyConApps that need to be expanded to</span></span>
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<pre style="margin: 0;">-<span id="LC494" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- AppTy chains.</span></span>
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<pre style="margin: 0;">-<span id="LC495" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="p">(</span><span class="n" style="color: #333;">tc</span><span class="p">,</span> <span class="n" style="color: #333;">tys</span><span class="o" style="font-weight: 600;">@</span><span class="p">(</span><span class="kr" style="font-weight: 600;">_</span><span class="o" style="font-weight: 600;">:</span><span class="kr" style="font-weight: 600;">_</span><span class="p">))</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">tcSplitTyConApp_maybe</span> <span class="n" style="color: #333;">ty</span></span>
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<pre style="margin: 0;">-<span id="LC496" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">foldl'</span> <span class="kt" style="color: #458; font-weight: 600;">AppTy</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">TyConApp</span> <span class="n" style="color: #333;">tc</span> <span class="kt" style="color: #458; font-weight: 600;">[]</span><span class="p">)</span> <span class="n" style="color: #333;">tys</span></span>
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<pre style="margin: 0;">-<span id="LC497" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC498" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- Then resolve any remaining nullary synonyms.</span></span>
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<pre style="margin: 0;">-<span id="LC499" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="n" style="color: #333;">ty'</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">tcView</span> <span class="n" style="color: #333;">ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="n" style="color: #333;">ty'</span></span>
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<pre style="margin: 0;">-<span id="LC500" class="line" lang="haskell"><span class="n" style="color: #333;">trieMapView</span> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Nothing</span></span>
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<pre style="margin: 0;">-<span id="LC501" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC502" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">TrieMap</span> <span class="kt" style="color: #458; font-weight: 600;">TypeMapX</span> <span class="kr" style="font-weight: 600;">where</span></span>
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503
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<pre style="margin: 0;">-<span id="LC503" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">type</span> <span class="kt" style="color: #458; font-weight: 600;">Key</span> <span class="kt" style="color: #458; font-weight: 600;">TypeMapX</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">DeBruijn</span> <span class="kt" style="color: #458; font-weight: 600;">Type</span></span>
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<pre style="margin: 0;">-<span id="LC504" class="line" lang="haskell"> <span class="n" style="color: #333;">emptyTM</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">emptyT</span></span>
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505
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<pre style="margin: 0;">-<span id="LC505" class="line" lang="haskell"> <span class="n" style="color: #333;">lookupTM</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">lkT</span></span>
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<pre style="margin: 0;">-<span id="LC506" class="line" lang="haskell"> <span class="n" style="color: #333;">alterTM</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">xtT</span></span>
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<pre style="margin: 0;">-<span id="LC507" class="line" lang="haskell"> <span class="n" style="color: #333;">foldTM</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">fdT</span></span>
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508
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<pre style="margin: 0;">-<span id="LC508" class="line" lang="haskell"> <span class="n" style="color: #333;">mapTM</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mapT</span></span>
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<pre style="margin: 0;">-<span id="LC509" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC510" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">Eq</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">DeBruijn</span> <span class="kt" style="color: #458; font-weight: 600;">Type</span><span class="p">)</span> <span class="kr" style="font-weight: 600;">where</span></span>
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511
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<pre style="margin: 0;">-<span id="LC511" class="line" lang="haskell"> <span class="n" style="color: #333;">env_t</span><span class="o" style="font-weight: 600;">@</span><span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">t</span><span class="p">)</span> <span class="o" style="font-weight: 600;">==</span> <span class="n" style="color: #333;">env_t'</span><span class="o" style="font-weight: 600;">@</span><span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env'</span> <span class="n" style="color: #333;">t'</span><span class="p">)</span></span>
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512
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<pre style="margin: 0;">-<span id="LC512" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="n" style="color: #333;">new_t</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">tcView</span> <span class="n" style="color: #333;">t</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">new_t</span> <span class="o" style="font-weight: 600;">==</span> <span class="n" style="color: #333;">env_t'</span></span>
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513
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<pre style="margin: 0;">-<span id="LC513" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="n" style="color: #333;">new_t'</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">tcView</span> <span class="n" style="color: #333;">t'</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">env_t</span> <span class="o" style="font-weight: 600;">==</span> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env'</span> <span class="n" style="color: #333;">new_t'</span></span>
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514
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<pre style="margin: 0;">-<span id="LC514" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">otherwise</span></span>
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515
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<pre style="margin: 0;">-<span id="LC515" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">case</span> <span class="p">(</span><span class="n" style="color: #333;">t</span><span class="p">,</span> <span class="n" style="color: #333;">t'</span><span class="p">)</span> <span class="kr" style="font-weight: 600;">of</span></span>
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516
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<pre style="margin: 0;">-<span id="LC516" class="line" lang="haskell"> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CastTy</span> <span class="n" style="color: #333;">t1</span> <span class="kr" style="font-weight: 600;">_</span><span class="p">,</span> <span class="kr" style="font-weight: 600;">_</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">t1</span> <span class="o" style="font-weight: 600;">==</span> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">t'</span></span>
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517
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<pre style="margin: 0;">-<span id="LC517" class="line" lang="haskell"> <span class="p">(</span><span class="kr" style="font-weight: 600;">_</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">CastTy</span> <span class="n" style="color: #333;">t1'</span> <span class="kr" style="font-weight: 600;">_</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">t</span> <span class="o" style="font-weight: 600;">==</span> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">t1'</span></span>
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518
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<pre style="margin: 0;">-<span id="LC518" class="line" lang="haskell"></span>
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519
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<pre style="margin: 0;">-<span id="LC519" class="line" lang="haskell"> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">TyVarTy</span> <span class="n" style="color: #333;">v</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">TyVarTy</span> <span class="n" style="color: #333;">v'</span><span class="p">)</span></span>
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520
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<pre style="margin: 0;">-<span id="LC520" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">-></span> <span class="kr" style="font-weight: 600;">case</span> <span class="p">(</span><span class="n" style="color: #333;">lookupCME</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">v</span><span class="p">,</span> <span class="n" style="color: #333;">lookupCME</span> <span class="n" style="color: #333;">env'</span> <span class="n" style="color: #333;">v'</span><span class="p">)</span> <span class="kr" style="font-weight: 600;">of</span></span>
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521
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<pre style="margin: 0;">-<span id="LC521" class="line" lang="haskell"> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="n" style="color: #333;">bv</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="n" style="color: #333;">bv'</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">bv</span> <span class="o" style="font-weight: 600;">==</span> <span class="n" style="color: #333;">bv'</span></span>
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522
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<pre style="margin: 0;">-<span id="LC522" class="line" lang="haskell"> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Nothing</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">Nothing</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">v</span> <span class="o" style="font-weight: 600;">==</span> <span class="n" style="color: #333;">v'</span></span>
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523
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<pre style="margin: 0;">-<span id="LC523" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">False</span></span>
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524
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<pre style="margin: 0;">-<span id="LC524" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- See Note [Equality on AppTys] in GHC.Core.Type</span></span>
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525
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<pre style="margin: 0;">-<span id="LC525" class="line" lang="haskell"> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">AppTy</span> <span class="n" style="color: #333;">t1</span> <span class="n" style="color: #333;">t2</span><span class="p">,</span> <span class="n" style="color: #333;">s</span><span class="p">)</span> <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="p">(</span><span class="n" style="color: #333;">t1'</span><span class="p">,</span> <span class="n" style="color: #333;">t2'</span><span class="p">)</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">repSplitAppTy_maybe</span> <span class="n" style="color: #333;">s</span></span>
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526
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<pre style="margin: 0;">-<span id="LC526" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">t1</span> <span class="o" style="font-weight: 600;">==</span> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env'</span> <span class="n" style="color: #333;">t1'</span> <span class="o" style="font-weight: 600;">&&</span> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">t2</span> <span class="o" style="font-weight: 600;">==</span> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env'</span> <span class="n" style="color: #333;">t2'</span></span>
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527
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<pre style="margin: 0;">-<span id="LC527" class="line" lang="haskell"> <span class="p">(</span><span class="n" style="color: #333;">s</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">AppTy</span> <span class="n" style="color: #333;">t1'</span> <span class="n" style="color: #333;">t2'</span><span class="p">)</span> <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="p">(</span><span class="n" style="color: #333;">t1</span><span class="p">,</span> <span class="n" style="color: #333;">t2</span><span class="p">)</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">repSplitAppTy_maybe</span> <span class="n" style="color: #333;">s</span></span>
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528
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<pre style="margin: 0;">-<span id="LC528" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">t1</span> <span class="o" style="font-weight: 600;">==</span> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env'</span> <span class="n" style="color: #333;">t1'</span> <span class="o" style="font-weight: 600;">&&</span> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">t2</span> <span class="o" style="font-weight: 600;">==</span> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env'</span> <span class="n" style="color: #333;">t2'</span></span>
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<pre style="margin: 0;">-<span id="LC529" class="line" lang="haskell"> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">FunTy</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">w1</span> <span class="n" style="color: #333;">t1</span> <span class="n" style="color: #333;">t2</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">FunTy</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">w1'</span> <span class="n" style="color: #333;">t1'</span> <span class="n" style="color: #333;">t2'</span><span class="p">)</span></span>
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<pre style="margin: 0;">-<span id="LC530" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">w1</span> <span class="o" style="font-weight: 600;">==</span> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">w1'</span> <span class="o" style="font-weight: 600;">&&</span> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">t1</span> <span class="o" style="font-weight: 600;">==</span> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env'</span> <span class="n" style="color: #333;">t1'</span> <span class="o" style="font-weight: 600;">&&</span> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">t2</span> <span class="o" style="font-weight: 600;">==</span> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env'</span> <span class="n" style="color: #333;">t2'</span></span>
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<pre style="margin: 0;">-<span id="LC531" class="line" lang="haskell"> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">TyConApp</span> <span class="n" style="color: #333;">tc</span> <span class="n" style="color: #333;">tys</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">TyConApp</span> <span class="n" style="color: #333;">tc'</span> <span class="n" style="color: #333;">tys'</span><span class="p">)</span></span>
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532
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<pre style="margin: 0;">-<span id="LC532" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">tc</span> <span class="o" style="font-weight: 600;">==</span> <span class="n" style="color: #333;">tc'</span> <span class="o" style="font-weight: 600;">&&</span> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">tys</span> <span class="o" style="font-weight: 600;">==</span> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env'</span> <span class="n" style="color: #333;">tys'</span></span>
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<pre style="margin: 0;">-<span id="LC533" class="line" lang="haskell"> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">LitTy</span> <span class="n" style="color: #333;">l</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">LitTy</span> <span class="n" style="color: #333;">l'</span><span class="p">)</span></span>
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534
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<pre style="margin: 0;">-<span id="LC534" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">l</span> <span class="o" style="font-weight: 600;">==</span> <span class="n" style="color: #333;">l'</span></span>
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535
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<pre style="margin: 0;">-<span id="LC535" class="line" lang="haskell"> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">ForAllTy</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Bndr</span> <span class="n" style="color: #333;">tv</span> <span class="kr" style="font-weight: 600;">_</span><span class="p">)</span> <span class="n" style="color: #333;">ty</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">ForAllTy</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Bndr</span> <span class="n" style="color: #333;">tv'</span> <span class="kr" style="font-weight: 600;">_</span><span class="p">)</span> <span class="n" style="color: #333;">ty'</span><span class="p">)</span></span>
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<pre style="margin: 0;">-<span id="LC536" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="p">(</span><span class="n" style="color: #333;">varType</span> <span class="n" style="color: #333;">tv</span><span class="p">)</span> <span class="o" style="font-weight: 600;">==</span> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env'</span> <span class="p">(</span><span class="n" style="color: #333;">varType</span> <span class="n" style="color: #333;">tv'</span><span class="p">)</span> <span class="o" style="font-weight: 600;">&&</span></span>
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537
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<pre style="margin: 0;">-<span id="LC537" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="p">(</span><span class="n" style="color: #333;">extendCME</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">tv</span><span class="p">)</span> <span class="n" style="color: #333;">ty</span> <span class="o" style="font-weight: 600;">==</span> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="p">(</span><span class="n" style="color: #333;">extendCME</span> <span class="n" style="color: #333;">env'</span> <span class="n" style="color: #333;">tv'</span><span class="p">)</span> <span class="n" style="color: #333;">ty'</span></span>
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<pre style="margin: 0;">-<span id="LC538" class="line" lang="haskell"> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CoercionTy</span> <span class="p">{},</span> <span class="kt" style="color: #458; font-weight: 600;">CoercionTy</span> <span class="p">{})</span></span>
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<pre style="margin: 0;">-<span id="LC539" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">True</span></span>
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<pre style="margin: 0;">-<span id="LC540" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">False</span></span>
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<pre style="margin: 0;">-<span id="LC541" class="line" lang="haskell"></span>
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542
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<pre style="margin: 0;">-<span id="LC542" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="cp" style="color: #999; font-weight: 600;">{-# OVERLAPPING #-}</span></span>
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543
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<pre style="margin: 0;">-<span id="LC543" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">Outputable</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">=></span> <span class="kt" style="color: #458; font-weight: 600;">Outputable</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">TypeMapG</span> <span class="n" style="color: #333;">a</span><span class="p">)</span> <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;">-<span id="LC544" class="line" lang="haskell"> <span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">m</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">text</span> <span class="s" style="color: #d14;">"TypeMap elts"</span> <span class="o" style="font-weight: 600;"><+></span> <span class="n" style="color: #333;">ppr</span> <span class="p">(</span><span class="n" style="color: #333;">foldTM</span> <span class="p">(</span><span class="o" style="font-weight: 600;">:</span><span class="p">)</span> <span class="n" style="color: #333;">m</span> <span class="kt" style="color: #458; font-weight: 600;">[]</span><span class="p">)</span></span>
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<pre style="margin: 0;">-<span id="LC545" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC546" class="line" lang="haskell"><span class="n" style="color: #333;">emptyT</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">TypeMapX</span> <span class="n" style="color: #333;">a</span></span>
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<pre style="margin: 0;">-<span id="LC547" class="line" lang="haskell"><span class="n" style="color: #333;">emptyT</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">TM</span> <span class="p">{</span> <span class="n" style="color: #333;">tm_var</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">emptyTM</span></span>
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<pre style="margin: 0;">-<span id="LC548" class="line" lang="haskell"> <span class="p">,</span> <span class="n" style="color: #333;">tm_app</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">emptyTM</span></span>
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<pre style="margin: 0;">-<span id="LC549" class="line" lang="haskell"> <span class="p">,</span> <span class="n" style="color: #333;">tm_tycon</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">emptyDNameEnv</span></span>
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<pre style="margin: 0;">-<span id="LC550" class="line" lang="haskell"> <span class="p">,</span> <span class="n" style="color: #333;">tm_forall</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">emptyTM</span></span>
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<pre style="margin: 0;">-<span id="LC551" class="line" lang="haskell"> <span class="p">,</span> <span class="n" style="color: #333;">tm_tylit</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">emptyTyLitMap</span></span>
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<pre style="margin: 0;">-<span id="LC552" class="line" lang="haskell"> <span class="p">,</span> <span class="n" style="color: #333;">tm_coerce</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Nothing</span> <span class="p">}</span></span>
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<pre style="margin: 0;">-<span id="LC553" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC554" class="line" lang="haskell"><span class="n" style="color: #333;">mapT</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">(</span><span class="n" style="color: #333;">a</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">b</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TypeMapX</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TypeMapX</span> <span class="n" style="color: #333;">b</span></span>
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<pre style="margin: 0;">-<span id="LC555" class="line" lang="haskell"><span class="n" style="color: #333;">mapT</span> <span class="n" style="color: #333;">f</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">TM</span> <span class="p">{</span> <span class="n" style="color: #333;">tm_var</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">tvar</span><span class="p">,</span> <span class="n" style="color: #333;">tm_app</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">tapp</span><span class="p">,</span> <span class="n" style="color: #333;">tm_tycon</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">ttycon</span></span>
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<pre style="margin: 0;">-<span id="LC556" class="line" lang="haskell"> <span class="p">,</span> <span class="n" style="color: #333;">tm_forall</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">tforall</span><span class="p">,</span> <span class="n" style="color: #333;">tm_tylit</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">tlit</span></span>
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<pre style="margin: 0;">-<span id="LC557" class="line" lang="haskell"> <span class="p">,</span> <span class="n" style="color: #333;">tm_coerce</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">tcoerce</span> <span class="p">})</span></span>
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<pre style="margin: 0;">-<span id="LC558" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">TM</span> <span class="p">{</span> <span class="n" style="color: #333;">tm_var</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mapTM</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">tvar</span></span>
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<pre style="margin: 0;">-<span id="LC559" class="line" lang="haskell"> <span class="p">,</span> <span class="n" style="color: #333;">tm_app</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mapTM</span> <span class="p">(</span><span class="n" style="color: #333;">mapTM</span> <span class="n" style="color: #333;">f</span><span class="p">)</span> <span class="n" style="color: #333;">tapp</span></span>
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<pre style="margin: 0;">-<span id="LC560" class="line" lang="haskell"> <span class="p">,</span> <span class="n" style="color: #333;">tm_tycon</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mapTM</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">ttycon</span></span>
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<pre style="margin: 0;">-<span id="LC561" class="line" lang="haskell"> <span class="p">,</span> <span class="n" style="color: #333;">tm_forall</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mapTM</span> <span class="p">(</span><span class="n" style="color: #333;">mapTM</span> <span class="n" style="color: #333;">f</span><span class="p">)</span> <span class="n" style="color: #333;">tforall</span></span>
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<pre style="margin: 0;">-<span id="LC562" class="line" lang="haskell"> <span class="p">,</span> <span class="n" style="color: #333;">tm_tylit</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mapTM</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">tlit</span></span>
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<pre style="margin: 0;">-<span id="LC563" class="line" lang="haskell"> <span class="p">,</span> <span class="n" style="color: #333;">tm_coerce</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">fmap</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">tcoerce</span> <span class="p">}</span></span>
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<pre style="margin: 0;">-<span id="LC564" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC565" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-----------------</span></span>
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<pre style="margin: 0;">-<span id="LC566" class="line" lang="haskell"><span class="n" style="color: #333;">lkT</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">DeBruijn</span> <span class="kt" style="color: #458; font-weight: 600;">Type</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TypeMapX</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Maybe</span> <span class="n" style="color: #333;">a</span></span>
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<pre style="margin: 0;">-<span id="LC567" class="line" lang="haskell"><span class="n" style="color: #333;">lkT</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">ty</span><span class="p">)</span> <span class="n" style="color: #333;">m</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">go</span> <span class="n" style="color: #333;">ty</span> <span class="n" style="color: #333;">m</span></span>
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<pre style="margin: 0;">-<span id="LC568" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">where</span></span>
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569
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<pre style="margin: 0;">-<span id="LC569" class="line" lang="haskell"> <span class="n" style="color: #333;">go</span> <span class="n" style="color: #333;">ty</span> <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="n" style="color: #333;">ty'</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">trieMapView</span> <span class="n" style="color: #333;">ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">go</span> <span class="n" style="color: #333;">ty'</span></span>
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570
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<pre style="margin: 0;">-<span id="LC570" class="line" lang="haskell"> <span class="n" style="color: #333;">go</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">TyVarTy</span> <span class="n" style="color: #333;">v</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">tm_var</span> <span class="o" style="font-weight: 600;">>.></span> <span class="n" style="color: #333;">lkVar</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">v</span></span>
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<td class="diff-line-num old old_line" data-linenumber="571" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
571
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<pre style="margin: 0;">-<span id="LC571" class="line" lang="haskell"> <span class="n" style="color: #333;">go</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">AppTy</span> <span class="n" style="color: #333;">t1</span> <span class="n" style="color: #333;">t2</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">tm_app</span> <span class="o" style="font-weight: 600;">>.></span> <span class="n" style="color: #333;">lkG</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">t1</span><span class="p">)</span></span>
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572
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<pre style="margin: 0;">-<span id="LC572" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">>=></span> <span class="n" style="color: #333;">lkG</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">t2</span><span class="p">)</span></span>
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<td class="diff-line-num old old_line" data-linenumber="573" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
573
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<pre style="margin: 0;">-<span id="LC573" class="line" lang="haskell"> <span class="n" style="color: #333;">go</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">TyConApp</span> <span class="n" style="color: #333;">tc</span> <span class="kt" style="color: #458; font-weight: 600;">[]</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">tm_tycon</span> <span class="o" style="font-weight: 600;">>.></span> <span class="n" style="color: #333;">lkDNamed</span> <span class="n" style="color: #333;">tc</span></span>
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574
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<pre style="margin: 0;">-<span id="LC574" class="line" lang="haskell"> <span class="n" style="color: #333;">go</span> <span class="n" style="color: #333;">ty</span><span class="o" style="font-weight: 600;">@</span><span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">TyConApp</span> <span class="kr" style="font-weight: 600;">_</span> <span class="p">(</span><span class="kr" style="font-weight: 600;">_</span><span class="o" style="font-weight: 600;">:</span><span class="kr" style="font-weight: 600;">_</span><span class="p">))</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">pprPanic</span> <span class="s" style="color: #d14;">"lkT TyConApp"</span> <span class="p">(</span><span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">ty</span><span class="p">)</span></span>
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575
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<pre style="margin: 0;">-<span id="LC575" class="line" lang="haskell"> <span class="n" style="color: #333;">go</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">LitTy</span> <span class="n" style="color: #333;">l</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">tm_tylit</span> <span class="o" style="font-weight: 600;">>.></span> <span class="n" style="color: #333;">lkTyLit</span> <span class="n" style="color: #333;">l</span></span>
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576
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<pre style="margin: 0;">-<span id="LC576" class="line" lang="haskell"> <span class="n" style="color: #333;">go</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">ForAllTy</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Bndr</span> <span class="n" style="color: #333;">tv</span> <span class="kr" style="font-weight: 600;">_</span><span class="p">)</span> <span class="n" style="color: #333;">ty</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">tm_forall</span> <span class="o" style="font-weight: 600;">>.></span> <span class="n" style="color: #333;">lkG</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="p">(</span><span class="n" style="color: #333;">extendCME</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">tv</span><span class="p">)</span> <span class="n" style="color: #333;">ty</span><span class="p">)</span></span>
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577
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<pre style="margin: 0;">-<span id="LC577" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">>=></span> <span class="n" style="color: #333;">lkBndr</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">tv</span></span>
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578
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<pre style="margin: 0;">-<span id="LC578" class="line" lang="haskell"> <span class="n" style="color: #333;">go</span> <span class="n" style="color: #333;">ty</span><span class="o" style="font-weight: 600;">@</span><span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">FunTy</span> <span class="p">{})</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">pprPanic</span> <span class="s" style="color: #d14;">"lkT FunTy"</span> <span class="p">(</span><span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">ty</span><span class="p">)</span></span>
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579
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<td class="diff-line-num new_line old" data-linenumber="371" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
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<pre style="margin: 0;">-<span id="LC579" class="line" lang="haskell"> <span class="n" style="color: #333;">go</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CastTy</span> <span class="n" style="color: #333;">t</span> <span class="kr" style="font-weight: 600;">_</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">go</span> <span class="n" style="color: #333;">t</span></span>
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<td class="diff-line-num old old_line" data-linenumber="580" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
580
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<td class="diff-line-num new_line old" data-linenumber="371" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
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<pre style="margin: 0;">-<span id="LC580" class="line" lang="haskell"> <span class="n" style="color: #333;">go</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CoercionTy</span> <span class="p">{})</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">tm_coerce</span></span>
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581
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<pre style="margin: 0;">-<span id="LC581" class="line" lang="haskell"></span>
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<td class="diff-line-num old old_line" data-linenumber="582" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
582
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<td class="diff-line-num new_line old" data-linenumber="371" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
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<pre style="margin: 0;">-<span id="LC582" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-----------------</span></span>
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<td class="diff-line-num old old_line" data-linenumber="583" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
583
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<td class="diff-line-num new_line old" data-linenumber="371" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
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<pre style="margin: 0;">-<span id="LC583" class="line" lang="haskell"><span class="n" style="color: #333;">xtT</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">DeBruijn</span> <span class="kt" style="color: #458; font-weight: 600;">Type</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">XT</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TypeMapX</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TypeMapX</span> <span class="n" style="color: #333;">a</span></span>
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584
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<pre style="margin: 0;">-<span id="LC584" class="line" lang="haskell"><span class="n" style="color: #333;">xtT</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">ty</span><span class="p">)</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">m</span> <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="n" style="color: #333;">ty'</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">trieMapView</span> <span class="n" style="color: #333;">ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">xtT</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">ty'</span><span class="p">)</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">m</span></span>
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<pre style="margin: 0;">-<span id="LC585" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC586" class="line" lang="haskell"><span class="n" style="color: #333;">xtT</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">TyVarTy</span> <span class="n" style="color: #333;">v</span><span class="p">))</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">m</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">m</span> <span class="p">{</span> <span class="n" style="color: #333;">tm_var</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">tm_var</span> <span class="n" style="color: #333;">m</span> <span class="o" style="font-weight: 600;">|></span> <span class="n" style="color: #333;">xtVar</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">v</span> <span class="n" style="color: #333;">f</span> <span class="p">}</span></span>
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<pre style="margin: 0;">-<span id="LC587" class="line" lang="haskell"><span class="n" style="color: #333;">xtT</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">AppTy</span> <span class="n" style="color: #333;">t1</span> <span class="n" style="color: #333;">t2</span><span class="p">))</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">m</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">m</span> <span class="p">{</span> <span class="n" style="color: #333;">tm_app</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">tm_app</span> <span class="n" style="color: #333;">m</span> <span class="o" style="font-weight: 600;">|></span> <span class="n" style="color: #333;">xtG</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">t1</span><span class="p">)</span></span>
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<pre style="margin: 0;">-<span id="LC588" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">|>></span> <span class="n" style="color: #333;">xtG</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">t2</span><span class="p">)</span> <span class="n" style="color: #333;">f</span> <span class="p">}</span></span>
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<pre style="margin: 0;">-<span id="LC589" class="line" lang="haskell"><span class="n" style="color: #333;">xtT</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="kr" style="font-weight: 600;">_</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">TyConApp</span> <span class="n" style="color: #333;">tc</span> <span class="kt" style="color: #458; font-weight: 600;">[]</span><span class="p">))</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">m</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">m</span> <span class="p">{</span> <span class="n" style="color: #333;">tm_tycon</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">tm_tycon</span> <span class="n" style="color: #333;">m</span> <span class="o" style="font-weight: 600;">|></span> <span class="n" style="color: #333;">xtDNamed</span> <span class="n" style="color: #333;">tc</span> <span class="n" style="color: #333;">f</span> <span class="p">}</span></span>
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<pre style="margin: 0;">-<span id="LC590" class="line" lang="haskell"><span class="n" style="color: #333;">xtT</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="kr" style="font-weight: 600;">_</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">LitTy</span> <span class="n" style="color: #333;">l</span><span class="p">))</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">m</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">m</span> <span class="p">{</span> <span class="n" style="color: #333;">tm_tylit</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">tm_tylit</span> <span class="n" style="color: #333;">m</span> <span class="o" style="font-weight: 600;">|></span> <span class="n" style="color: #333;">xtTyLit</span> <span class="n" style="color: #333;">l</span> <span class="n" style="color: #333;">f</span> <span class="p">}</span></span>
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<pre style="margin: 0;">-<span id="LC591" class="line" lang="haskell"><span class="n" style="color: #333;">xtT</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CastTy</span> <span class="n" style="color: #333;">t</span> <span class="kr" style="font-weight: 600;">_</span><span class="p">))</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">m</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">xtT</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">t</span><span class="p">)</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">m</span></span>
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<pre style="margin: 0;">-<span id="LC592" class="line" lang="haskell"><span class="n" style="color: #333;">xtT</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="kr" style="font-weight: 600;">_</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CoercionTy</span> <span class="p">{}))</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">m</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">m</span> <span class="p">{</span> <span class="n" style="color: #333;">tm_coerce</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">tm_coerce</span> <span class="n" style="color: #333;">m</span> <span class="o" style="font-weight: 600;">|></span> <span class="n" style="color: #333;">f</span> <span class="p">}</span></span>
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<pre style="margin: 0;">-<span id="LC593" class="line" lang="haskell"><span class="n" style="color: #333;">xtT</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">ForAllTy</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Bndr</span> <span class="n" style="color: #333;">tv</span> <span class="kr" style="font-weight: 600;">_</span><span class="p">)</span> <span class="n" style="color: #333;">ty</span><span class="p">))</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">m</span></span>
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<pre style="margin: 0;">-<span id="LC594" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">m</span> <span class="p">{</span> <span class="n" style="color: #333;">tm_forall</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">tm_forall</span> <span class="n" style="color: #333;">m</span> <span class="o" style="font-weight: 600;">|></span> <span class="n" style="color: #333;">xtG</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="p">(</span><span class="n" style="color: #333;">extendCME</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">tv</span><span class="p">)</span> <span class="n" style="color: #333;">ty</span><span class="p">)</span></span>
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<pre style="margin: 0;">-<span id="LC595" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">|>></span> <span class="n" style="color: #333;">xtBndr</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">tv</span> <span class="n" style="color: #333;">f</span> <span class="p">}</span></span>
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<pre style="margin: 0;">-<span id="LC596" class="line" lang="haskell"><span class="n" style="color: #333;">xtT</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">ty</span><span class="o" style="font-weight: 600;">@</span><span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">TyConApp</span> <span class="kr" style="font-weight: 600;">_</span> <span class="p">(</span><span class="kr" style="font-weight: 600;">_</span><span class="o" style="font-weight: 600;">:</span><span class="kr" style="font-weight: 600;">_</span><span class="p">)))</span> <span class="kr" style="font-weight: 600;">_</span> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">pprPanic</span> <span class="s" style="color: #d14;">"xtT TyConApp"</span> <span class="p">(</span><span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">ty</span><span class="p">)</span></span>
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<pre style="margin: 0;">-<span id="LC597" class="line" lang="haskell"><span class="n" style="color: #333;">xtT</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">ty</span><span class="o" style="font-weight: 600;">@</span><span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">FunTy</span> <span class="p">{}))</span> <span class="kr" style="font-weight: 600;">_</span> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">pprPanic</span> <span class="s" style="color: #d14;">"xtT FunTy"</span> <span class="p">(</span><span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">ty</span><span class="p">)</span></span>
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<pre style="margin: 0;">-<span id="LC598" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC599" class="line" lang="haskell"><span class="n" style="color: #333;">fdT</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">(</span><span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">b</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">b</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TypeMapX</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">b</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">b</span></span>
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<pre style="margin: 0;">-<span id="LC600" class="line" lang="haskell"><span class="n" style="color: #333;">fdT</span> <span class="n" style="color: #333;">k</span> <span class="n" style="color: #333;">m</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">foldTM</span> <span class="n" style="color: #333;">k</span> <span class="p">(</span><span class="n" style="color: #333;">tm_var</span> <span class="n" style="color: #333;">m</span><span class="p">)</span></span>
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<pre style="margin: 0;">-<span id="LC601" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">.</span> <span class="n" style="color: #333;">foldTM</span> <span class="p">(</span><span class="n" style="color: #333;">foldTM</span> <span class="n" style="color: #333;">k</span><span class="p">)</span> <span class="p">(</span><span class="n" style="color: #333;">tm_app</span> <span class="n" style="color: #333;">m</span><span class="p">)</span></span>
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<pre style="margin: 0;">-<span id="LC602" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">.</span> <span class="n" style="color: #333;">foldTM</span> <span class="n" style="color: #333;">k</span> <span class="p">(</span><span class="n" style="color: #333;">tm_tycon</span> <span class="n" style="color: #333;">m</span><span class="p">)</span></span>
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<pre style="margin: 0;">-<span id="LC603" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">.</span> <span class="n" style="color: #333;">foldTM</span> <span class="p">(</span><span class="n" style="color: #333;">foldTM</span> <span class="n" style="color: #333;">k</span><span class="p">)</span> <span class="p">(</span><span class="n" style="color: #333;">tm_forall</span> <span class="n" style="color: #333;">m</span><span class="p">)</span></span>
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<pre style="margin: 0;">-<span id="LC604" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">.</span> <span class="n" style="color: #333;">foldTyLit</span> <span class="n" style="color: #333;">k</span> <span class="p">(</span><span class="n" style="color: #333;">tm_tylit</span> <span class="n" style="color: #333;">m</span><span class="p">)</span></span>
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<pre style="margin: 0;">-<span id="LC605" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">.</span> <span class="n" style="color: #333;">foldMaybe</span> <span class="n" style="color: #333;">k</span> <span class="p">(</span><span class="n" style="color: #333;">tm_coerce</span> <span class="n" style="color: #333;">m</span><span class="p">)</span></span>
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<pre style="margin: 0;">-<span id="LC606" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC607" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">------------------------</span></span>
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<pre style="margin: 0;">-<span id="LC608" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">data</span> <span class="kt" style="color: #458; font-weight: 600;">TyLitMap</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">TLM</span> <span class="p">{</span> <span class="n" style="color: #333;">tlm_number</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Map</span><span class="o" style="font-weight: 600;">.</span><span class="kt" style="color: #458; font-weight: 600;">Map</span> <span class="kt" style="color: #458; font-weight: 600;">Integer</span> <span class="n" style="color: #333;">a</span></span>
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<pre style="margin: 0;">-<span id="LC609" class="line" lang="haskell"> <span class="p">,</span> <span class="n" style="color: #333;">tlm_string</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">UniqFM</span> <span class="kt" style="color: #458; font-weight: 600;">FastString</span> <span class="n" style="color: #333;">a</span></span>
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<pre style="margin: 0;">-<span id="LC610" class="line" lang="haskell"> <span class="p">}</span></span>
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<pre style="margin: 0;">-<span id="LC611" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC612" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">TrieMap</span> <span class="kt" style="color: #458; font-weight: 600;">TyLitMap</span> <span class="kr" style="font-weight: 600;">where</span></span>
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613
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<pre style="margin: 0;">-<span id="LC613" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">type</span> <span class="kt" style="color: #458; font-weight: 600;">Key</span> <span class="kt" style="color: #458; font-weight: 600;">TyLitMap</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">TyLit</span></span>
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<pre style="margin: 0;">-<span id="LC614" class="line" lang="haskell"> <span class="n" style="color: #333;">emptyTM</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">emptyTyLitMap</span></span>
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<pre style="margin: 0;">-<span id="LC615" class="line" lang="haskell"> <span class="n" style="color: #333;">lookupTM</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">lkTyLit</span></span>
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<pre style="margin: 0;">-<span id="LC616" class="line" lang="haskell"> <span class="n" style="color: #333;">alterTM</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">xtTyLit</span></span>
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<pre style="margin: 0;">-<span id="LC617" class="line" lang="haskell"> <span class="n" style="color: #333;">foldTM</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">foldTyLit</span></span>
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<pre style="margin: 0;">-<span id="LC618" class="line" lang="haskell"> <span class="n" style="color: #333;">mapTM</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mapTyLit</span></span>
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<pre style="margin: 0;">-<span id="LC619" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC620" class="line" lang="haskell"><span class="n" style="color: #333;">emptyTyLitMap</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">TyLitMap</span> <span class="n" style="color: #333;">a</span></span>
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<pre style="margin: 0;">-<span id="LC621" class="line" lang="haskell"><span class="n" style="color: #333;">emptyTyLitMap</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">TLM</span> <span class="p">{</span> <span class="n" style="color: #333;">tlm_number</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Map</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">empty</span><span class="p">,</span> <span class="n" style="color: #333;">tlm_string</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">emptyUFM</span> <span class="p">}</span></span>
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<pre style="margin: 0;">-<span id="LC622" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC623" class="line" lang="haskell"><span class="n" style="color: #333;">mapTyLit</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">(</span><span class="n" style="color: #333;">a</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">b</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TyLitMap</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TyLitMap</span> <span class="n" style="color: #333;">b</span></span>
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<pre style="margin: 0;">-<span id="LC624" class="line" lang="haskell"><span class="n" style="color: #333;">mapTyLit</span> <span class="n" style="color: #333;">f</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">TLM</span> <span class="p">{</span> <span class="n" style="color: #333;">tlm_number</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">tn</span><span class="p">,</span> <span class="n" style="color: #333;">tlm_string</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">ts</span> <span class="p">})</span></span>
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<pre style="margin: 0;">-<span id="LC625" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">TLM</span> <span class="p">{</span> <span class="n" style="color: #333;">tlm_number</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Map</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">map</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">tn</span><span class="p">,</span> <span class="n" style="color: #333;">tlm_string</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mapUFM</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">ts</span> <span class="p">}</span></span>
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<pre style="margin: 0;">-<span id="LC626" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC627" class="line" lang="haskell"><span class="n" style="color: #333;">lkTyLit</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">TyLit</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TyLitMap</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Maybe</span> <span class="n" style="color: #333;">a</span></span>
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<pre style="margin: 0;">-<span id="LC628" class="line" lang="haskell"><span class="n" style="color: #333;">lkTyLit</span> <span class="n" style="color: #333;">l</span> <span class="o" style="font-weight: 600;">=</span></span>
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<pre style="margin: 0;">-<span id="LC629" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">l</span> <span class="kr" style="font-weight: 600;">of</span></span>
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<pre style="margin: 0;">-<span id="LC630" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">NumTyLit</span> <span class="n" style="color: #333;">n</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">tlm_number</span> <span class="o" style="font-weight: 600;">>.></span> <span class="kt" style="color: #458; font-weight: 600;">Map</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">lookup</span> <span class="n" style="color: #333;">n</span></span>
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<pre style="margin: 0;">-<span id="LC631" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">StrTyLit</span> <span class="n" style="color: #333;">n</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">tlm_string</span> <span class="o" style="font-weight: 600;">>.></span> <span class="p">(`</span><span class="n" style="color: #333;">lookupUFM</span><span class="p">`</span> <span class="n" style="color: #333;">n</span><span class="p">)</span></span>
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<pre style="margin: 0;">-<span id="LC632" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC633" class="line" lang="haskell"><span class="n" style="color: #333;">xtTyLit</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">TyLit</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">XT</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TyLitMap</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TyLitMap</span> <span class="n" style="color: #333;">a</span></span>
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<pre style="margin: 0;">-<span id="LC634" class="line" lang="haskell"><span class="n" style="color: #333;">xtTyLit</span> <span class="n" style="color: #333;">l</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">m</span> <span class="o" style="font-weight: 600;">=</span></span>
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<pre style="margin: 0;">-<span id="LC635" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">l</span> <span class="kr" style="font-weight: 600;">of</span></span>
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<pre style="margin: 0;">-<span id="LC636" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">NumTyLit</span> <span class="n" style="color: #333;">n</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">m</span> <span class="p">{</span> <span class="n" style="color: #333;">tlm_number</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Map</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">alter</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">n</span> <span class="p">(</span><span class="n" style="color: #333;">tlm_number</span> <span class="n" style="color: #333;">m</span><span class="p">)</span> <span class="p">}</span></span>
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<pre style="margin: 0;">-<span id="LC637" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">StrTyLit</span> <span class="n" style="color: #333;">n</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">m</span> <span class="p">{</span> <span class="n" style="color: #333;">tlm_string</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">alterUFM</span> <span class="n" style="color: #333;">f</span> <span class="p">(</span><span class="n" style="color: #333;">tlm_string</span> <span class="n" style="color: #333;">m</span><span class="p">)</span> <span class="n" style="color: #333;">n</span> <span class="p">}</span></span>
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<pre style="margin: 0;">-<span id="LC638" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC639" class="line" lang="haskell"><span class="n" style="color: #333;">foldTyLit</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">(</span><span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">b</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">b</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TyLitMap</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">b</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">b</span></span>
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<pre style="margin: 0;">-<span id="LC640" class="line" lang="haskell"><span class="n" style="color: #333;">foldTyLit</span> <span class="n" style="color: #333;">l</span> <span class="n" style="color: #333;">m</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">flip</span> <span class="p">(</span><span class="n" style="color: #333;">foldUFM</span> <span class="n" style="color: #333;">l</span><span class="p">)</span> <span class="p">(</span><span class="n" style="color: #333;">tlm_string</span> <span class="n" style="color: #333;">m</span><span class="p">)</span></span>
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<pre style="margin: 0;">-<span id="LC641" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">.</span> <span class="n" style="color: #333;">flip</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Map</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">foldr</span> <span class="n" style="color: #333;">l</span><span class="p">)</span> <span class="p">(</span><span class="n" style="color: #333;">tlm_number</span> <span class="n" style="color: #333;">m</span><span class="p">)</span></span>
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<pre style="margin: 0;">-<span id="LC642" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC643" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-------------------------------------------------</span></span>
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<pre style="margin: 0;">-<span id="LC644" class="line" lang="haskell"><span class="cd">-- | @TypeMap a@ is a map from 'Type' to @a@. If you are a client, this</span></span>
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<pre style="margin: 0;">-<span id="LC645" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- is the type you want. The keys in this map may have different kinds.</span></span>
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<pre style="margin: 0;">-<span id="LC646" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">newtype</span> <span class="kt" style="color: #458; font-weight: 600;">TypeMap</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">TypeMap</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">TypeMapG</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">TypeMapG</span> <span class="n" style="color: #333;">a</span><span class="p">))</span></span>
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<pre style="margin: 0;">-<span id="LC647" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC648" class="line" lang="haskell"><span class="n" style="color: #333;">lkTT</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">DeBruijn</span> <span class="kt" style="color: #458; font-weight: 600;">Type</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TypeMap</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Maybe</span> <span class="n" style="color: #333;">a</span></span>
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<pre style="margin: 0;">-<span id="LC649" class="line" lang="haskell"><span class="n" style="color: #333;">lkTT</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">ty</span><span class="p">)</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">TypeMap</span> <span class="n" style="color: #333;">m</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">lkG</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">typeKind</span> <span class="n" style="color: #333;">ty</span><span class="p">)</span> <span class="n" style="color: #333;">m</span></span>
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<pre style="margin: 0;">-<span id="LC650" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">>>=</span> <span class="n" style="color: #333;">lkG</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">ty</span><span class="p">)</span></span>
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<pre style="margin: 0;">-<span id="LC651" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC652" class="line" lang="haskell"><span class="n" style="color: #333;">xtTT</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">DeBruijn</span> <span class="kt" style="color: #458; font-weight: 600;">Type</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">XT</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TypeMap</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TypeMap</span> <span class="n" style="color: #333;">a</span></span>
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<pre style="margin: 0;">-<span id="LC653" class="line" lang="haskell"><span class="n" style="color: #333;">xtTT</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">ty</span><span class="p">)</span> <span class="n" style="color: #333;">f</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">TypeMap</span> <span class="n" style="color: #333;">m</span><span class="p">)</span></span>
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<pre style="margin: 0;">-<span id="LC654" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">TypeMap</span> <span class="p">(</span><span class="n" style="color: #333;">m</span> <span class="o" style="font-weight: 600;">|></span> <span class="n" style="color: #333;">xtG</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">typeKind</span> <span class="n" style="color: #333;">ty</span><span class="p">)</span></span>
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<pre style="margin: 0;">-<span id="LC655" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">|>></span> <span class="n" style="color: #333;">xtG</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">ty</span><span class="p">)</span> <span class="n" style="color: #333;">f</span><span class="p">)</span></span>
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<pre style="margin: 0;">-<span id="LC656" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC657" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Below are some client-oriented functions which operate on 'TypeMap'.</span></span>
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<pre style="margin: 0;">-<span id="LC658" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC659" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">TrieMap</span> <span class="kt" style="color: #458; font-weight: 600;">TypeMap</span> <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;">-<span id="LC660" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">type</span> <span class="kt" style="color: #458; font-weight: 600;">Key</span> <span class="kt" style="color: #458; font-weight: 600;">TypeMap</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Type</span></span>
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<pre style="margin: 0;">-<span id="LC661" class="line" lang="haskell"> <span class="n" style="color: #333;">emptyTM</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">TypeMap</span> <span class="n" style="color: #333;">emptyTM</span></span>
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<pre style="margin: 0;">-<span id="LC662" class="line" lang="haskell"> <span class="n" style="color: #333;">lookupTM</span> <span class="n" style="color: #333;">k</span> <span class="n" style="color: #333;">m</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">lkTT</span> <span class="p">(</span><span class="n" style="color: #333;">deBruijnize</span> <span class="n" style="color: #333;">k</span><span class="p">)</span> <span class="n" style="color: #333;">m</span></span>
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<pre style="margin: 0;">-<span id="LC663" class="line" lang="haskell"> <span class="n" style="color: #333;">alterTM</span> <span class="n" style="color: #333;">k</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">m</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">xtTT</span> <span class="p">(</span><span class="n" style="color: #333;">deBruijnize</span> <span class="n" style="color: #333;">k</span><span class="p">)</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">m</span></span>
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<pre style="margin: 0;">-<span id="LC664" class="line" lang="haskell"> <span class="n" style="color: #333;">foldTM</span> <span class="n" style="color: #333;">k</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">TypeMap</span> <span class="n" style="color: #333;">m</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">foldTM</span> <span class="p">(</span><span class="n" style="color: #333;">foldTM</span> <span class="n" style="color: #333;">k</span><span class="p">)</span> <span class="n" style="color: #333;">m</span></span>
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<pre style="margin: 0;">-<span id="LC665" class="line" lang="haskell"> <span class="n" style="color: #333;">mapTM</span> <span class="n" style="color: #333;">f</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">TypeMap</span> <span class="n" style="color: #333;">m</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">TypeMap</span> <span class="p">(</span><span class="n" style="color: #333;">mapTM</span> <span class="p">(</span><span class="n" style="color: #333;">mapTM</span> <span class="n" style="color: #333;">f</span><span class="p">)</span> <span class="n" style="color: #333;">m</span><span class="p">)</span></span>
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<pre style="margin: 0;">-<span id="LC666" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC667" class="line" lang="haskell"><span class="n" style="color: #333;">foldTypeMap</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">(</span><span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">b</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">b</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">b</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TypeMap</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">b</span></span>
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<pre style="margin: 0;">-<span id="LC668" class="line" lang="haskell"><span class="n" style="color: #333;">foldTypeMap</span> <span class="n" style="color: #333;">k</span> <span class="n" style="color: #333;">z</span> <span class="n" style="color: #333;">m</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">foldTM</span> <span class="n" style="color: #333;">k</span> <span class="n" style="color: #333;">m</span> <span class="n" style="color: #333;">z</span></span>
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<pre style="margin: 0;">-<span id="LC669" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC670" class="line" lang="haskell"><span class="n" style="color: #333;">emptyTypeMap</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">TypeMap</span> <span class="n" style="color: #333;">a</span></span>
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<pre style="margin: 0;">-<span id="LC671" class="line" lang="haskell"><span class="n" style="color: #333;">emptyTypeMap</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">emptyTM</span></span>
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<pre style="margin: 0;">-<span id="LC672" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC673" class="line" lang="haskell"><span class="n" style="color: #333;">lookupTypeMap</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">TypeMap</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Type</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Maybe</span> <span class="n" style="color: #333;">a</span></span>
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<pre style="margin: 0;">-<span id="LC674" class="line" lang="haskell"><span class="n" style="color: #333;">lookupTypeMap</span> <span class="n" style="color: #333;">cm</span> <span class="n" style="color: #333;">t</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">lookupTM</span> <span class="n" style="color: #333;">t</span> <span class="n" style="color: #333;">cm</span></span>
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<pre style="margin: 0;">-<span id="LC676" class="line" lang="haskell"><span class="n" style="color: #333;">extendTypeMap</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">TypeMap</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Type</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TypeMap</span> <span class="n" style="color: #333;">a</span></span>
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<pre style="margin: 0;">-<span id="LC677" class="line" lang="haskell"><span class="n" style="color: #333;">extendTypeMap</span> <span class="n" style="color: #333;">m</span> <span class="n" style="color: #333;">t</span> <span class="n" style="color: #333;">v</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">alterTM</span> <span class="n" style="color: #333;">t</span> <span class="p">(</span><span class="n" style="color: #333;">const</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="n" style="color: #333;">v</span><span class="p">))</span> <span class="n" style="color: #333;">m</span></span>
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<pre style="margin: 0;">-<span id="LC678" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC679" class="line" lang="haskell"><span class="n" style="color: #333;">lookupTypeMapWithScope</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">TypeMap</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">CmEnv</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Type</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Maybe</span> <span class="n" style="color: #333;">a</span></span>
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<pre style="margin: 0;">-<span id="LC680" class="line" lang="haskell"><span class="n" style="color: #333;">lookupTypeMapWithScope</span> <span class="n" style="color: #333;">m</span> <span class="n" style="color: #333;">cm</span> <span class="n" style="color: #333;">t</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">lkTT</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">cm</span> <span class="n" style="color: #333;">t</span><span class="p">)</span> <span class="n" style="color: #333;">m</span></span>
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<pre style="margin: 0;">-<span id="LC681" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC682" class="line" lang="haskell"><span class="cd">-- | Extend a 'TypeMap' with a type in the given context.</span></span>
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<pre style="margin: 0;">-<span id="LC683" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- @extendTypeMapWithScope m (mkDeBruijnContext [a,b,c]) t v@ is equivalent to</span></span>
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<pre style="margin: 0;">-<span id="LC684" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- @extendTypeMap m (forall a b c. t) v@, but allows reuse of the context over</span></span>
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<pre style="margin: 0;">-<span id="LC685" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- multiple insertions.</span></span>
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<pre style="margin: 0;">-<span id="LC686" class="line" lang="haskell"><span class="n" style="color: #333;">extendTypeMapWithScope</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">TypeMap</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">CmEnv</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Type</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TypeMap</span> <span class="n" style="color: #333;">a</span></span>
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<pre style="margin: 0;">-<span id="LC687" class="line" lang="haskell"><span class="n" style="color: #333;">extendTypeMapWithScope</span> <span class="n" style="color: #333;">m</span> <span class="n" style="color: #333;">cm</span> <span class="n" style="color: #333;">t</span> <span class="n" style="color: #333;">v</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">xtTT</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">cm</span> <span class="n" style="color: #333;">t</span><span class="p">)</span> <span class="p">(</span><span class="n" style="color: #333;">const</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="n" style="color: #333;">v</span><span class="p">))</span> <span class="n" style="color: #333;">m</span></span>
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<pre style="margin: 0;">-<span id="LC688" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC689" class="line" lang="haskell"><span class="cd">-- | Construct a deBruijn environment with the given variables in scope.</span></span>
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<pre style="margin: 0;">-<span id="LC690" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- e.g. @mkDeBruijnEnv [a,b,c]@ constructs a context @forall a b c.@</span></span>
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<pre style="margin: 0;">-<span id="LC691" class="line" lang="haskell"><span class="n" style="color: #333;">mkDeBruijnContext</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">Var</span><span class="p">]</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">CmEnv</span></span>
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<pre style="margin: 0;">-<span id="LC692" class="line" lang="haskell"><span class="n" style="color: #333;">mkDeBruijnContext</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">extendCMEs</span> <span class="n" style="color: #333;">emptyCME</span></span>
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<pre style="margin: 0;">-<span id="LC693" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC694" class="line" lang="haskell"><span class="cd">-- | A 'LooseTypeMap' doesn't do a kind-check. Thus, when lookup up (t |> g),</span></span>
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<pre style="margin: 0;">-<span id="LC695" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- you'll find entries inserted under (t), even if (g) is non-reflexive.</span></span>
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<pre style="margin: 0;">-<span id="LC696" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">newtype</span> <span class="kt" style="color: #458; font-weight: 600;">LooseTypeMap</span> <span class="n" style="color: #333;">a</span></span>
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<pre style="margin: 0;">-<span id="LC697" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">LooseTypeMap</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">TypeMapG</span> <span class="n" style="color: #333;">a</span><span class="p">)</span></span>
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<pre style="margin: 0;">-<span id="LC698" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC699" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">TrieMap</span> <span class="kt" style="color: #458; font-weight: 600;">LooseTypeMap</span> <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;">-<span id="LC700" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">type</span> <span class="kt" style="color: #458; font-weight: 600;">Key</span> <span class="kt" style="color: #458; font-weight: 600;">LooseTypeMap</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Type</span></span>
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<pre style="margin: 0;">-<span id="LC701" class="line" lang="haskell"> <span class="n" style="color: #333;">emptyTM</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">LooseTypeMap</span> <span class="n" style="color: #333;">emptyTM</span></span>
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<pre style="margin: 0;">-<span id="LC702" class="line" lang="haskell"> <span class="n" style="color: #333;">lookupTM</span> <span class="n" style="color: #333;">k</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">LooseTypeMap</span> <span class="n" style="color: #333;">m</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">lookupTM</span> <span class="p">(</span><span class="n" style="color: #333;">deBruijnize</span> <span class="n" style="color: #333;">k</span><span class="p">)</span> <span class="n" style="color: #333;">m</span></span>
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<pre style="margin: 0;">-<span id="LC703" class="line" lang="haskell"> <span class="n" style="color: #333;">alterTM</span> <span class="n" style="color: #333;">k</span> <span class="n" style="color: #333;">f</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">LooseTypeMap</span> <span class="n" style="color: #333;">m</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">LooseTypeMap</span> <span class="p">(</span><span class="n" style="color: #333;">alterTM</span> <span class="p">(</span><span class="n" style="color: #333;">deBruijnize</span> <span class="n" style="color: #333;">k</span><span class="p">)</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">m</span><span class="p">)</span></span>
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<pre style="margin: 0;">-<span id="LC704" class="line" lang="haskell"> <span class="n" style="color: #333;">foldTM</span> <span class="n" style="color: #333;">f</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">LooseTypeMap</span> <span class="n" style="color: #333;">m</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">foldTM</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">m</span></span>
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<pre style="margin: 0;">-<span id="LC705" class="line" lang="haskell"> <span class="n" style="color: #333;">mapTM</span> <span class="n" style="color: #333;">f</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">LooseTypeMap</span> <span class="n" style="color: #333;">m</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">LooseTypeMap</span> <span class="p">(</span><span class="n" style="color: #333;">mapTM</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">m</span><span class="p">)</span></span>
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<pre style="margin: 0;">-<span id="LC706" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC707" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">{-</span></span>
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<pre style="margin: 0;">-<span id="LC708" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">************************************************************************</span></span>
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<pre style="margin: 0;">-<span id="LC709" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">* *</span></span>
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<pre style="margin: 0;">-<span id="LC710" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;"> Variables</span></span>
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<pre style="margin: 0;">-<span id="LC711" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">* *</span></span>
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<pre style="margin: 0;">-<span id="LC712" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">************************************************************************</span></span>
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<pre style="margin: 0;">-<span id="LC713" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">-}</span></span>
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<pre style="margin: 0;">-<span id="LC714" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC715" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">type</span> <span class="kt" style="color: #458; font-weight: 600;">BoundVar</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Int</span> <span class="c1" style="color: #998; font-style: italic;">-- Bound variables are deBruijn numbered</span></span>
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<pre style="margin: 0;">-<span id="LC716" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">type</span> <span class="kt" style="color: #458; font-weight: 600;">BoundVarMap</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">IntMap</span><span class="o" style="font-weight: 600;">.</span><span class="kt" style="color: #458; font-weight: 600;">IntMap</span> <span class="n" style="color: #333;">a</span></span>
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<pre style="margin: 0;">-<span id="LC717" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC718" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">data</span> <span class="kt" style="color: #458; font-weight: 600;">CmEnv</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">CME</span> <span class="p">{</span> <span class="n" style="color: #333;">cme_next</span> <span class="o" style="font-weight: 600;">::</span> <span class="o" style="font-weight: 600;">!</span><span class="kt" style="color: #458; font-weight: 600;">BoundVar</span></span>
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<pre style="margin: 0;">-<span id="LC719" class="line" lang="haskell"> <span class="p">,</span> <span class="n" style="color: #333;">cme_env</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">VarEnv</span> <span class="kt" style="color: #458; font-weight: 600;">BoundVar</span> <span class="p">}</span></span>
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<pre style="margin: 0;">-<span id="LC720" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC721" class="line" lang="haskell"><span class="n" style="color: #333;">emptyCME</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">CmEnv</span></span>
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<pre style="margin: 0;">-<span id="LC722" class="line" lang="haskell"><span class="n" style="color: #333;">emptyCME</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">CME</span> <span class="p">{</span> <span class="n" style="color: #333;">cme_next</span> <span class="o" style="font-weight: 600;">=</span> <span class="mi" style="color: #099;">0</span><span class="p">,</span> <span class="n" style="color: #333;">cme_env</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">emptyVarEnv</span> <span class="p">}</span></span>
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<pre style="margin: 0;">-<span id="LC723" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC724" class="line" lang="haskell"><span class="n" style="color: #333;">extendCME</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">CmEnv</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Var</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">CmEnv</span></span>
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<pre style="margin: 0;">-<span id="LC725" class="line" lang="haskell"><span class="n" style="color: #333;">extendCME</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CME</span> <span class="p">{</span> <span class="n" style="color: #333;">cme_next</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">bv</span><span class="p">,</span> <span class="n" style="color: #333;">cme_env</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">env</span> <span class="p">})</span> <span class="n" style="color: #333;">v</span></span>
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<pre style="margin: 0;">-<span id="LC726" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">CME</span> <span class="p">{</span> <span class="n" style="color: #333;">cme_next</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">bv</span><span class="o" style="font-weight: 600;">+</span><span class="mi" style="color: #099;">1</span><span class="p">,</span> <span class="n" style="color: #333;">cme_env</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">extendVarEnv</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">v</span> <span class="n" style="color: #333;">bv</span> <span class="p">}</span></span>
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<pre style="margin: 0;">-<span id="LC727" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC728" class="line" lang="haskell"><span class="n" style="color: #333;">extendCMEs</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">CmEnv</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">Var</span><span class="p">]</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">CmEnv</span></span>
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<pre style="margin: 0;">-<span id="LC729" class="line" lang="haskell"><span class="n" style="color: #333;">extendCMEs</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">vs</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">foldl'</span> <span class="n" style="color: #333;">extendCME</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">vs</span></span>
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<pre style="margin: 0;">-<span id="LC730" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC731" class="line" lang="haskell"><span class="n" style="color: #333;">lookupCME</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">CmEnv</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Var</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Maybe</span> <span class="kt" style="color: #458; font-weight: 600;">BoundVar</span></span>
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<pre style="margin: 0;">-<span id="LC732" class="line" lang="haskell"><span class="n" style="color: #333;">lookupCME</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CME</span> <span class="p">{</span> <span class="n" style="color: #333;">cme_env</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">env</span> <span class="p">})</span> <span class="n" style="color: #333;">v</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">lookupVarEnv</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">v</span></span>
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<pre style="margin: 0;">-<span id="LC733" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC734" class="line" lang="haskell"><span class="cd">-- | @DeBruijn a@ represents @a@ modulo alpha-renaming. This is achieved</span></span>
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<pre style="margin: 0;">-<span id="LC735" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- by equipping the value with a 'CmEnv', which tracks an on-the-fly deBruijn</span></span>
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<pre style="margin: 0;">-<span id="LC736" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- numbering. This allows us to define an 'Eq' instance for @DeBruijn a@, even</span></span>
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<pre style="margin: 0;">-<span id="LC737" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- if this was not (easily) possible for @a@. Note: we purposely don't</span></span>
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<pre style="margin: 0;">-<span id="LC738" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- export the constructor. Make a helper function if you find yourself</span></span>
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<pre style="margin: 0;">-<span id="LC739" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- needing it.</span></span>
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<pre style="margin: 0;">-<span id="LC740" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">data</span> <span class="kt" style="color: #458; font-weight: 600;">DeBruijn</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="kt" style="color: #458; font-weight: 600;">CmEnv</span> <span class="n" style="color: #333;">a</span></span>
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<pre style="margin: 0;">-<span id="LC741" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC742" class="line" lang="haskell"><span class="cd">-- | Synthesizes a @DeBruijn a@ from an @a@, by assuming that there are no</span></span>
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<pre style="margin: 0;">-<span id="LC743" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- bound binders (an empty 'CmEnv'). This is usually what you want if there</span></span>
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<pre style="margin: 0;">-<span id="LC744" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- isn't already a 'CmEnv' in scope.</span></span>
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<pre style="margin: 0;">-<span id="LC745" class="line" lang="haskell"><span class="n" style="color: #333;">deBruijnize</span> <span class="o" style="font-weight: 600;">::</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">DeBruijn</span> <span class="n" style="color: #333;">a</span></span>
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<pre style="margin: 0;">-<span id="LC746" class="line" lang="haskell"><span class="n" style="color: #333;">deBruijnize</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">emptyCME</span></span>
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<pre style="margin: 0;">-<span id="LC747" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC748" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">Eq</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">DeBruijn</span> <span class="n" style="color: #333;">a</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=></span> <span class="kt" style="color: #458; font-weight: 600;">Eq</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">DeBruijn</span> <span class="p">[</span><span class="n" style="color: #333;">a</span><span class="p">])</span> <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;">-<span id="LC749" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="kr" style="font-weight: 600;">_</span> <span class="kt" style="color: #458; font-weight: 600;">[]</span> <span class="o" style="font-weight: 600;">==</span> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="kr" style="font-weight: 600;">_</span> <span class="kt" style="color: #458; font-weight: 600;">[]</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">True</span></span>
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<pre style="margin: 0;">-<span id="LC750" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="p">(</span><span class="n" style="color: #333;">x</span><span class="o" style="font-weight: 600;">:</span><span class="n" style="color: #333;">xs</span><span class="p">)</span> <span class="o" style="font-weight: 600;">==</span> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env'</span> <span class="p">(</span><span class="n" style="color: #333;">x'</span><span class="o" style="font-weight: 600;">:</span><span class="n" style="color: #333;">xs'</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">x</span> <span class="o" style="font-weight: 600;">==</span> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env'</span> <span class="n" style="color: #333;">x'</span> <span class="o" style="font-weight: 600;">&&</span></span>
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<pre style="margin: 0;">-<span id="LC751" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">xs</span> <span class="o" style="font-weight: 600;">==</span> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env'</span> <span class="n" style="color: #333;">xs'</span></span>
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<pre style="margin: 0;">-<span id="LC752" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">==</span> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">False</span></span>
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<pre style="margin: 0;">-<span id="LC753" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC754" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">Eq</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">DeBruijn</span> <span class="n" style="color: #333;">a</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=></span> <span class="kt" style="color: #458; font-weight: 600;">Eq</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">DeBruijn</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Maybe</span> <span class="n" style="color: #333;">a</span><span class="p">))</span> <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;">-<span id="LC755" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="kr" style="font-weight: 600;">_</span> <span class="kt" style="color: #458; font-weight: 600;">Nothing</span> <span class="o" style="font-weight: 600;">==</span> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="kr" style="font-weight: 600;">_</span> <span class="kt" style="color: #458; font-weight: 600;">Nothing</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">True</span></span>
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<pre style="margin: 0;">-<span id="LC756" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="n" style="color: #333;">x</span><span class="p">)</span> <span class="o" style="font-weight: 600;">==</span> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env'</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="n" style="color: #333;">x'</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">x</span> <span class="o" style="font-weight: 600;">==</span> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env'</span> <span class="n" style="color: #333;">x'</span></span>
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757
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<pre style="margin: 0;">-<span id="LC757" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">==</span> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">False</span></span>
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<pre style="margin: 0;">-<span id="LC758" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC759" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--------- Variable binders -------------</span></span>
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<pre style="margin: 0;">-<span id="LC760" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC761" class="line" lang="haskell"><span class="cd">-- | A 'BndrMap' is a 'TypeMapG' which allows us to distinguish between</span></span>
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<pre style="margin: 0;">-<span id="LC762" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- binding forms whose binders have different types. For example,</span></span>
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<pre style="margin: 0;">-<span id="LC763" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- if we are doing a 'TrieMap' lookup on @\(x :: Int) -> ()@, we should</span></span>
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<pre style="margin: 0;">-<span id="LC764" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- not pick up an entry in the 'TrieMap' for @\(x :: Bool) -> ()@:</span></span>
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<pre style="margin: 0;">-<span id="LC765" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- we can disambiguate this by matching on the type (or kind, if this</span></span>
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<pre style="margin: 0;">-<span id="LC766" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- a binder in a type) of the binder.</span></span>
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<pre style="margin: 0;">-<span id="LC767" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--</span></span>
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<pre style="margin: 0;">-<span id="LC768" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- We also need to do the same for multiplicity! Which, since multiplicities are</span></span>
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<pre style="margin: 0;">-<span id="LC769" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- encoded simply as a 'Type', amounts to have a Trie for a pair of types. Tries</span></span>
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<pre style="margin: 0;">-<span id="LC770" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- of pairs are composition.</span></span>
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<pre style="margin: 0;">-<span id="LC771" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">data</span> <span class="kt" style="color: #458; font-weight: 600;">BndrMap</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">BndrMap</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">TypeMapG</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">MaybeMap</span> <span class="kt" style="color: #458; font-weight: 600;">TypeMapG</span> <span class="n" style="color: #333;">a</span><span class="p">))</span></span>
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<pre style="margin: 0;">-<span id="LC772" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC773" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">TrieMap</span> <span class="kt" style="color: #458; font-weight: 600;">BndrMap</span> <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;">-<span id="LC774" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">type</span> <span class="kt" style="color: #458; font-weight: 600;">Key</span> <span class="kt" style="color: #458; font-weight: 600;">BndrMap</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Var</span></span>
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<pre style="margin: 0;">-<span id="LC775" class="line" lang="haskell"> <span class="n" style="color: #333;">emptyTM</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">BndrMap</span> <span class="n" style="color: #333;">emptyTM</span></span>
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<pre style="margin: 0;">-<span id="LC776" class="line" lang="haskell"> <span class="n" style="color: #333;">lookupTM</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">lkBndr</span> <span class="n" style="color: #333;">emptyCME</span></span>
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<pre style="margin: 0;">-<span id="LC777" class="line" lang="haskell"> <span class="n" style="color: #333;">alterTM</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">xtBndr</span> <span class="n" style="color: #333;">emptyCME</span></span>
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<pre style="margin: 0;">-<span id="LC778" class="line" lang="haskell"> <span class="n" style="color: #333;">foldTM</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">fdBndrMap</span></span>
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<pre style="margin: 0;">-<span id="LC779" class="line" lang="haskell"> <span class="n" style="color: #333;">mapTM</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mapBndrMap</span></span>
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<pre style="margin: 0;">-<span id="LC780" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC781" class="line" lang="haskell"><span class="n" style="color: #333;">mapBndrMap</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">(</span><span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">b</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">BndrMap</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">BndrMap</span> <span class="n" style="color: #333;">b</span></span>
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<pre style="margin: 0;">-<span id="LC782" class="line" lang="haskell"><span class="n" style="color: #333;">mapBndrMap</span> <span class="n" style="color: #333;">f</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">BndrMap</span> <span class="n" style="color: #333;">tm</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">BndrMap</span> <span class="p">(</span><span class="n" style="color: #333;">mapTM</span> <span class="p">(</span><span class="n" style="color: #333;">mapTM</span> <span class="n" style="color: #333;">f</span><span class="p">)</span> <span class="n" style="color: #333;">tm</span><span class="p">)</span></span>
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<pre style="margin: 0;">-<span id="LC783" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC784" class="line" lang="haskell"><span class="n" style="color: #333;">fdBndrMap</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">(</span><span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">b</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">b</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">BndrMap</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">b</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">b</span></span>
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785
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<pre style="margin: 0;">-<span id="LC785" class="line" lang="haskell"><span class="n" style="color: #333;">fdBndrMap</span> <span class="n" style="color: #333;">f</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">BndrMap</span> <span class="n" style="color: #333;">tm</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">foldTM</span> <span class="p">(</span><span class="n" style="color: #333;">foldTM</span> <span class="n" style="color: #333;">f</span><span class="p">)</span> <span class="n" style="color: #333;">tm</span></span>
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<pre style="margin: 0;">-<span id="LC786" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC787" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC788" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Note [Binders]</span></span>
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<pre style="margin: 0;">-<span id="LC789" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- ~~~~~~~~~~~~~~</span></span>
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<pre style="margin: 0;">-<span id="LC790" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- We need to use 'BndrMap' for 'Coercion', 'CoreExpr' AND 'Type', since all</span></span>
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<pre style="margin: 0;">-<span id="LC791" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- of these data types have binding forms.</span></span>
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<pre style="margin: 0;">-<span id="LC792" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC793" class="line" lang="haskell"><span class="n" style="color: #333;">lkBndr</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">CmEnv</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Var</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">BndrMap</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Maybe</span> <span class="n" style="color: #333;">a</span></span>
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<pre style="margin: 0;">-<span id="LC794" class="line" lang="haskell"><span class="n" style="color: #333;">lkBndr</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">v</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">BndrMap</span> <span class="n" style="color: #333;">tymap</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span></span>
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<pre style="margin: 0;">-<span id="LC795" class="line" lang="haskell"> <span class="n" style="color: #333;">multmap</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">lkG</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="p">(</span><span class="n" style="color: #333;">varType</span> <span class="n" style="color: #333;">v</span><span class="p">))</span> <span class="n" style="color: #333;">tymap</span></span>
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<pre style="margin: 0;">-<span id="LC796" class="line" lang="haskell"> <span class="n" style="color: #333;">lookupTM</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="o" style="font-weight: 600;"><$></span> <span class="n" style="color: #333;">varMultMaybe</span> <span class="n" style="color: #333;">v</span><span class="p">)</span> <span class="n" style="color: #333;">multmap</span></span>
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<pre style="margin: 0;">-<span id="LC797" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC798" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC799" class="line" lang="haskell"><span class="n" style="color: #333;">xtBndr</span> <span class="o" style="font-weight: 600;">::</span> <span class="n" style="color: #333;">forall</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">.</span> <span class="kt" style="color: #458; font-weight: 600;">CmEnv</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Var</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">XT</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">BndrMap</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">BndrMap</span> <span class="n" style="color: #333;">a</span></span>
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<pre style="margin: 0;">-<span id="LC800" class="line" lang="haskell"><span class="n" style="color: #333;">xtBndr</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">v</span> <span class="n" style="color: #333;">xt</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">BndrMap</span> <span class="n" style="color: #333;">tymap</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span></span>
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<pre style="margin: 0;">-<span id="LC801" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">BndrMap</span> <span class="p">(</span><span class="n" style="color: #333;">tymap</span> <span class="o" style="font-weight: 600;">|></span> <span class="n" style="color: #333;">xtG</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="p">(</span><span class="n" style="color: #333;">varType</span> <span class="n" style="color: #333;">v</span><span class="p">))</span> <span class="o" style="font-weight: 600;">|>></span> <span class="p">(</span><span class="n" style="color: #333;">alterTM</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="o" style="font-weight: 600;"><$></span> <span class="n" style="color: #333;">varMultMaybe</span> <span class="n" style="color: #333;">v</span><span class="p">)</span> <span class="n" style="color: #333;">xt</span><span class="p">))</span></span>
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<pre style="margin: 0;">-<span id="LC802" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC803" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC804" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--------- Variable occurrence -------------</span></span>
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<pre style="margin: 0;">-<span id="LC805" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">data</span> <span class="kt" style="color: #458; font-weight: 600;">VarMap</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">VM</span> <span class="p">{</span> <span class="n" style="color: #333;">vm_bvar</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">BoundVarMap</span> <span class="n" style="color: #333;">a</span> <span class="c1" style="color: #998; font-style: italic;">-- Bound variable</span></span>
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<pre style="margin: 0;">-<span id="LC806" class="line" lang="haskell"> <span class="p">,</span> <span class="n" style="color: #333;">vm_fvar</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">DVarEnv</span> <span class="n" style="color: #333;">a</span> <span class="p">}</span> <span class="c1" style="color: #998; font-style: italic;">-- Free variable</span></span>
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<pre style="margin: 0;">-<span id="LC807" class="line" lang="haskell"></span>
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808
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<pre style="margin: 0;">-<span id="LC808" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">TrieMap</span> <span class="kt" style="color: #458; font-weight: 600;">VarMap</span> <span class="kr" style="font-weight: 600;">where</span></span>
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809
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<pre style="margin: 0;">-<span id="LC809" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">type</span> <span class="kt" style="color: #458; font-weight: 600;">Key</span> <span class="kt" style="color: #458; font-weight: 600;">VarMap</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Var</span></span>
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<pre style="margin: 0;">-<span id="LC810" class="line" lang="haskell"> <span class="n" style="color: #333;">emptyTM</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">VM</span> <span class="p">{</span> <span class="n" style="color: #333;">vm_bvar</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">IntMap</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">empty</span><span class="p">,</span> <span class="n" style="color: #333;">vm_fvar</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">emptyDVarEnv</span> <span class="p">}</span></span>
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<pre style="margin: 0;">-<span id="LC811" class="line" lang="haskell"> <span class="n" style="color: #333;">lookupTM</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">lkVar</span> <span class="n" style="color: #333;">emptyCME</span></span>
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<pre style="margin: 0;">-<span id="LC812" class="line" lang="haskell"> <span class="n" style="color: #333;">alterTM</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">xtVar</span> <span class="n" style="color: #333;">emptyCME</span></span>
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813
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<pre style="margin: 0;">-<span id="LC813" class="line" lang="haskell"> <span class="n" style="color: #333;">foldTM</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">fdVar</span></span>
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<pre style="margin: 0;">-<span id="LC814" class="line" lang="haskell"> <span class="n" style="color: #333;">mapTM</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mapVar</span></span>
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<pre style="margin: 0;">-<span id="LC815" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC816" class="line" lang="haskell"><span class="n" style="color: #333;">mapVar</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">(</span><span class="n" style="color: #333;">a</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">b</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">VarMap</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">VarMap</span> <span class="n" style="color: #333;">b</span></span>
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<pre style="margin: 0;">-<span id="LC817" class="line" lang="haskell"><span class="n" style="color: #333;">mapVar</span> <span class="n" style="color: #333;">f</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">VM</span> <span class="p">{</span> <span class="n" style="color: #333;">vm_bvar</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">bv</span><span class="p">,</span> <span class="n" style="color: #333;">vm_fvar</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">fv</span> <span class="p">})</span></span>
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<pre style="margin: 0;">-<span id="LC818" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">VM</span> <span class="p">{</span> <span class="n" style="color: #333;">vm_bvar</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mapTM</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">bv</span><span class="p">,</span> <span class="n" style="color: #333;">vm_fvar</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mapTM</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">fv</span> <span class="p">}</span></span>
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<pre style="margin: 0;">-<span id="LC819" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC820" class="line" lang="haskell"><span class="n" style="color: #333;">lkVar</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">CmEnv</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Var</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">VarMap</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Maybe</span> <span class="n" style="color: #333;">a</span></span>
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<pre style="margin: 0;">-<span id="LC821" class="line" lang="haskell"><span class="n" style="color: #333;">lkVar</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">v</span></span>
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822
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<pre style="margin: 0;">-<span id="LC822" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="n" style="color: #333;">bv</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">lookupCME</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">v</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">vm_bvar</span> <span class="o" style="font-weight: 600;">>.></span> <span class="n" style="color: #333;">lookupTM</span> <span class="n" style="color: #333;">bv</span></span>
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823
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<pre style="margin: 0;">-<span id="LC823" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">otherwise</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">vm_fvar</span> <span class="o" style="font-weight: 600;">>.></span> <span class="n" style="color: #333;">lkDFreeVar</span> <span class="n" style="color: #333;">v</span></span>
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824
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<pre style="margin: 0;">-<span id="LC824" class="line" lang="haskell"></span>
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<td class="diff-line-num old old_line" data-linenumber="825" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
825
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<pre style="margin: 0;">-<span id="LC825" class="line" lang="haskell"><span class="n" style="color: #333;">xtVar</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">CmEnv</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Var</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">XT</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">VarMap</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">VarMap</span> <span class="n" style="color: #333;">a</span></span>
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826
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<pre style="margin: 0;">-<span id="LC826" class="line" lang="haskell"><span class="n" style="color: #333;">xtVar</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">v</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">m</span></span>
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<td class="diff-line-num old old_line" data-linenumber="827" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
827
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<pre style="margin: 0;">-<span id="LC827" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="n" style="color: #333;">bv</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">lookupCME</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">v</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">m</span> <span class="p">{</span> <span class="n" style="color: #333;">vm_bvar</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">vm_bvar</span> <span class="n" style="color: #333;">m</span> <span class="o" style="font-weight: 600;">|></span> <span class="n" style="color: #333;">alterTM</span> <span class="n" style="color: #333;">bv</span> <span class="n" style="color: #333;">f</span> <span class="p">}</span></span>
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828
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<pre style="margin: 0;">-<span id="LC828" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">otherwise</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">m</span> <span class="p">{</span> <span class="n" style="color: #333;">vm_fvar</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">vm_fvar</span> <span class="n" style="color: #333;">m</span> <span class="o" style="font-weight: 600;">|></span> <span class="n" style="color: #333;">xtDFreeVar</span> <span class="n" style="color: #333;">v</span> <span class="n" style="color: #333;">f</span> <span class="p">}</span></span>
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<pre style="margin: 0;">-<span id="LC829" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC830" class="line" lang="haskell"><span class="n" style="color: #333;">fdVar</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">(</span><span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">b</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">b</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">VarMap</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">b</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">b</span></span>
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831
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<pre style="margin: 0;">-<span id="LC831" class="line" lang="haskell"><span class="n" style="color: #333;">fdVar</span> <span class="n" style="color: #333;">k</span> <span class="n" style="color: #333;">m</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">foldTM</span> <span class="n" style="color: #333;">k</span> <span class="p">(</span><span class="n" style="color: #333;">vm_bvar</span> <span class="n" style="color: #333;">m</span><span class="p">)</span></span>
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832
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<pre style="margin: 0;">-<span id="LC832" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">.</span> <span class="n" style="color: #333;">foldTM</span> <span class="n" style="color: #333;">k</span> <span class="p">(</span><span class="n" style="color: #333;">vm_fvar</span> <span class="n" style="color: #333;">m</span><span class="p">)</span></span>
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833
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<pre style="margin: 0;">-<span id="LC833" class="line" lang="haskell"></span>
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834
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<pre style="margin: 0;">-<span id="LC834" class="line" lang="haskell"><span class="n" style="color: #333;">lkDFreeVar</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Var</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">DVarEnv</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Maybe</span> <span class="n" style="color: #333;">a</span></span>
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<td class="diff-line-num old old_line" data-linenumber="835" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
835
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<pre style="margin: 0;">-<span id="LC835" class="line" lang="haskell"><span class="n" style="color: #333;">lkDFreeVar</span> <span class="n" style="color: #333;">var</span> <span class="n" style="color: #333;">env</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">lookupDVarEnv</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">var</span></span>
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836
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<pre style="margin: 0;">-<span id="LC836" class="line" lang="haskell"></span>
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<td class="diff-line-num old old_line" data-linenumber="837" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
837
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<pre style="margin: 0;">-<span id="LC837" class="line" lang="haskell"><span class="n" style="color: #333;">xtDFreeVar</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Var</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">XT</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">DVarEnv</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">DVarEnv</span> <span class="n" style="color: #333;">a</span></span>
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838
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<pre style="margin: 0;">-<span id="LC838" class="line" lang="haskell"><span class="n" style="color: #333;">xtDFreeVar</span> <span class="n" style="color: #333;">v</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">m</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">alterDVarEnv</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">m</span> <span class="n" style="color: #333;">v</span></span></pre>
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<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/25f50147f3472bf8a098eff1a9dff642b812e36c#691eec62dc293d0881c314b38b7363dc88b44c59"><strong>compiler/GHC/Core/Map/Type.hs</strong></a>
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<pre style="margin: 0;">+<span id="LC1" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">{-</span></span>
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<pre style="margin: 0;">+<span id="LC2" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">(c) The University of Glasgow 2006</span></span>
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<pre style="margin: 0;">+<span id="LC3" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">(c) The GRASP/AQUA Project, Glasgow University, 1992-1998</span></span>
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<pre style="margin: 0;">+<span id="LC4" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">-}</span></span>
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<pre style="margin: 0;">+<span id="LC5" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC6" class="line" lang="haskell"><span class="cp" style="color: #999; font-weight: 600;">{-# LANGUAGE FlexibleContexts #-}</span></span>
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<pre style="margin: 0;">+<span id="LC7" class="line" lang="haskell"><span class="cp" style="color: #999; font-weight: 600;">{-# LANGUAGE FlexibleInstances #-}</span></span>
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<pre style="margin: 0;">+<span id="LC8" class="line" lang="haskell"><span class="cp" style="color: #999; font-weight: 600;">{-# LANGUAGE TypeFamilies #-}</span></span>
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<pre style="margin: 0;">+<span id="LC9" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC10" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">module</span> <span class="nn" style="color: #555;">GHC.Core.Map.Type</span> <span class="p">(</span></span>
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<pre style="margin: 0;">+<span id="LC11" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- * Maps over 'Type's</span></span>
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<pre style="margin: 0;">+<span id="LC12" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">TypeMap</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">emptyTypeMap</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">extendTypeMap</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">lookupTypeMap</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">foldTypeMap</span><span class="p">,</span></span>
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<pre style="margin: 0;">+<span id="LC13" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">LooseTypeMap</span><span class="p">,</span></span>
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<pre style="margin: 0;">+<span id="LC14" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- ** With explicit scoping</span></span>
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<pre style="margin: 0;">+<span id="LC15" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">CmEnv</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">lookupCME</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">extendTypeMapWithScope</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">lookupTypeMapWithScope</span><span class="p">,</span></span>
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<pre style="margin: 0;">+<span id="LC16" class="line" lang="haskell"> <span class="nf" style="color: #900; font-weight: 600;">mkDeBruijnContext</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">extendCME</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">extendCMEs</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">emptyCME</span><span class="p">,</span></span>
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<pre style="margin: 0;">+<span id="LC17" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC18" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- * Utilities for use by friends only</span></span>
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<pre style="margin: 0;">+<span id="LC19" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">TypeMapG</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">CoercionMapG</span><span class="p">,</span></span>
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<pre style="margin: 0;">+<span id="LC20" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC21" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">DeBruijn</span><span class="p">(</span><span class="o" style="font-weight: 600;">..</span><span class="p">),</span> <span class="nf" style="color: #900; font-weight: 600;">deBruijnize</span><span class="p">,</span></span>
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<pre style="margin: 0;">+<span id="LC22" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC23" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">BndrMap</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">xtBndr</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">lkBndr</span><span class="p">,</span></span>
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<pre style="margin: 0;">+<span id="LC24" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">VarMap</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">xtVar</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">lkVar</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">lkDFreeVar</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">xtDFreeVar</span><span class="p">,</span></span>
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25
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<pre style="margin: 0;">+<span id="LC25" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC26" class="line" lang="haskell"> <span class="nf" style="color: #900; font-weight: 600;">xtDNamed</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">lkDNamed</span></span>
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<pre style="margin: 0;">+<span id="LC27" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC28" class="line" lang="haskell"> <span class="p">)</span> <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;">+<span id="LC29" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC30" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- This module is separate from GHC.Core.Map to avoid a module loop</span></span>
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<pre style="margin: 0;">+<span id="LC31" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- between GHC.Core.Unify (which depends on this module) and GHC.Core</span></span>
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<pre style="margin: 0;">+<span id="LC32" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC33" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Prelude</span></span>
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<pre style="margin: 0;">+<span id="LC34" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC35" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Core.Type</span></span>
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<pre style="margin: 0;">+<span id="LC36" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Core.Coercion</span></span>
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<pre style="margin: 0;">+<span id="LC37" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Core.TyCo.Rep</span></span>
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<pre style="margin: 0;">+<span id="LC38" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Data.TrieMap</span></span>
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<pre style="margin: 0;">+<span id="LC39" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC40" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Data.FastString</span></span>
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<pre style="margin: 0;">+<span id="LC41" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Types.Name</span></span>
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<pre style="margin: 0;">+<span id="LC42" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Types.Name.Env</span></span>
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<pre style="margin: 0;">+<span id="LC43" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Types.Var</span></span>
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<pre style="margin: 0;">+<span id="LC44" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Types.Var.Env</span></span>
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<pre style="margin: 0;">+<span id="LC45" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Types.Unique.FM</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC46" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Utils.Outputable</span></span>
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<pre style="margin: 0;">+<span id="LC47" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC48" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Utils.Panic</span></span>
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<pre style="margin: 0;">+<span id="LC49" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC50" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="k" style="font-weight: 600;">qualified</span> <span class="nn" style="color: #555;">Data.Map</span> <span class="k" style="font-weight: 600;">as</span> <span class="n" style="color: #333;">Map</span></span>
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<pre style="margin: 0;">+<span id="LC51" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="k" style="font-weight: 600;">qualified</span> <span class="nn" style="color: #555;">Data.IntMap</span> <span class="k" style="font-weight: 600;">as</span> <span class="n" style="color: #333;">IntMap</span></span>
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<pre style="margin: 0;">+<span id="LC52" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC53" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">Control.Monad</span> <span class="p">(</span> <span class="p">(</span><span class="o" style="font-weight: 600;">>=></span><span class="p">)</span> <span class="p">)</span></span>
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<pre style="margin: 0;">+<span id="LC54" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC55" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- NB: Be careful about RULES and type families (#5821). So we should make sure</span></span>
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<pre style="margin: 0;">+<span id="LC56" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- to specify @Key TypeMapX@ (and not @DeBruijn Type@, the reduced form)</span></span>
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<pre style="margin: 0;">+<span id="LC57" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC58" class="line" lang="haskell"><span class="cp" style="color: #999; font-weight: 600;">{-# SPECIALIZE lkG :: Key TypeMapX -> TypeMapG a -> Maybe a #-}</span></span>
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<pre style="margin: 0;">+<span id="LC59" class="line" lang="haskell"><span class="cp" style="color: #999; font-weight: 600;">{-# SPECIALIZE lkG :: Key CoercionMapX -> CoercionMapG a -> Maybe a #-}</span></span>
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<pre style="margin: 0;">+<span id="LC60" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC61" class="line" lang="haskell"><span class="cp" style="color: #999; font-weight: 600;">{-# SPECIALIZE xtG :: Key TypeMapX -> XT a -> TypeMapG a -> TypeMapG a #-}</span></span>
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<pre style="margin: 0;">+<span id="LC62" class="line" lang="haskell"><span class="cp" style="color: #999; font-weight: 600;">{-# SPECIALIZE xtG :: Key CoercionMapX -> XT a -> CoercionMapG a -> CoercionMapG a #-}</span></span>
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<pre style="margin: 0;">+<span id="LC63" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC64" class="line" lang="haskell"><span class="cp" style="color: #999; font-weight: 600;">{-# SPECIALIZE mapG :: (a -> b) -> TypeMapG a -> TypeMapG b #-}</span></span>
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<pre style="margin: 0;">+<span id="LC65" class="line" lang="haskell"><span class="cp" style="color: #999; font-weight: 600;">{-# SPECIALIZE mapG :: (a -> b) -> CoercionMapG a -> CoercionMapG b #-}</span></span>
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<pre style="margin: 0;">+<span id="LC66" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC67" class="line" lang="haskell"><span class="cp" style="color: #999; font-weight: 600;">{-# SPECIALIZE fdG :: (a -> b -> b) -> TypeMapG a -> b -> b #-}</span></span>
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<pre style="margin: 0;">+<span id="LC68" class="line" lang="haskell"><span class="cp" style="color: #999; font-weight: 600;">{-# SPECIALIZE fdG :: (a -> b -> b) -> CoercionMapG a -> b -> b #-}</span></span>
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<pre style="margin: 0;">+<span id="LC69" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC70" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">{-</span></span>
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<pre style="margin: 0;">+<span id="LC71" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">************************************************************************</span></span>
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<pre style="margin: 0;">+<span id="LC72" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">* *</span></span>
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<pre style="margin: 0;">+<span id="LC73" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;"> Coercions</span></span>
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<pre style="margin: 0;">+<span id="LC74" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">* *</span></span>
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<pre style="margin: 0;">+<span id="LC75" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">************************************************************************</span></span>
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<pre style="margin: 0;">+<span id="LC76" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">-}</span></span>
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<pre style="margin: 0;">+<span id="LC77" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC78" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- We should really never care about the contents of a coercion. Instead,</span></span>
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<pre style="margin: 0;">+<span id="LC79" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- just look up the coercion's type.</span></span>
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<pre style="margin: 0;">+<span id="LC80" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">newtype</span> <span class="kt" style="color: #458; font-weight: 600;">CoercionMap</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">CoercionMap</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CoercionMapG</span> <span class="n" style="color: #333;">a</span><span class="p">)</span></span>
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<pre style="margin: 0;">+<span id="LC81" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC82" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">TrieMap</span> <span class="kt" style="color: #458; font-weight: 600;">CoercionMap</span> <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;">+<span id="LC83" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">type</span> <span class="kt" style="color: #458; font-weight: 600;">Key</span> <span class="kt" style="color: #458; font-weight: 600;">CoercionMap</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Coercion</span></span>
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<pre style="margin: 0;">+<span id="LC84" class="line" lang="haskell"> <span class="n" style="color: #333;">emptyTM</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">CoercionMap</span> <span class="n" style="color: #333;">emptyTM</span></span>
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<pre style="margin: 0;">+<span id="LC85" class="line" lang="haskell"> <span class="n" style="color: #333;">lookupTM</span> <span class="n" style="color: #333;">k</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CoercionMap</span> <span class="n" style="color: #333;">m</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">lookupTM</span> <span class="p">(</span><span class="n" style="color: #333;">deBruijnize</span> <span class="n" style="color: #333;">k</span><span class="p">)</span> <span class="n" style="color: #333;">m</span></span>
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<pre style="margin: 0;">+<span id="LC86" class="line" lang="haskell"> <span class="n" style="color: #333;">alterTM</span> <span class="n" style="color: #333;">k</span> <span class="n" style="color: #333;">f</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CoercionMap</span> <span class="n" style="color: #333;">m</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">CoercionMap</span> <span class="p">(</span><span class="n" style="color: #333;">alterTM</span> <span class="p">(</span><span class="n" style="color: #333;">deBruijnize</span> <span class="n" style="color: #333;">k</span><span class="p">)</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">m</span><span class="p">)</span></span>
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<pre style="margin: 0;">+<span id="LC87" class="line" lang="haskell"> <span class="n" style="color: #333;">foldTM</span> <span class="n" style="color: #333;">k</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CoercionMap</span> <span class="n" style="color: #333;">m</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">foldTM</span> <span class="n" style="color: #333;">k</span> <span class="n" style="color: #333;">m</span></span>
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<pre style="margin: 0;">+<span id="LC88" class="line" lang="haskell"> <span class="n" style="color: #333;">mapTM</span> <span class="n" style="color: #333;">f</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CoercionMap</span> <span class="n" style="color: #333;">m</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">CoercionMap</span> <span class="p">(</span><span class="n" style="color: #333;">mapTM</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">m</span><span class="p">)</span></span>
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<pre style="margin: 0;">+<span id="LC89" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC90" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">type</span> <span class="kt" style="color: #458; font-weight: 600;">CoercionMapG</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">GenMap</span> <span class="kt" style="color: #458; font-weight: 600;">CoercionMapX</span></span>
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<pre style="margin: 0;">+<span id="LC91" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">newtype</span> <span class="kt" style="color: #458; font-weight: 600;">CoercionMapX</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">CoercionMapX</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">TypeMapX</span> <span class="n" style="color: #333;">a</span><span class="p">)</span></span>
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<pre style="margin: 0;">+<span id="LC92" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC93" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">TrieMap</span> <span class="kt" style="color: #458; font-weight: 600;">CoercionMapX</span> <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;">+<span id="LC94" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">type</span> <span class="kt" style="color: #458; font-weight: 600;">Key</span> <span class="kt" style="color: #458; font-weight: 600;">CoercionMapX</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">DeBruijn</span> <span class="kt" style="color: #458; font-weight: 600;">Coercion</span></span>
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95
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<pre style="margin: 0;">+<span id="LC95" class="line" lang="haskell"> <span class="n" style="color: #333;">emptyTM</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">CoercionMapX</span> <span class="n" style="color: #333;">emptyTM</span></span>
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96
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<pre style="margin: 0;">+<span id="LC96" class="line" lang="haskell"> <span class="n" style="color: #333;">lookupTM</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">lkC</span></span>
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97
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<pre style="margin: 0;">+<span id="LC97" class="line" lang="haskell"> <span class="n" style="color: #333;">alterTM</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">xtC</span></span>
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98
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<pre style="margin: 0;">+<span id="LC98" class="line" lang="haskell"> <span class="n" style="color: #333;">foldTM</span> <span class="n" style="color: #333;">f</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CoercionMapX</span> <span class="n" style="color: #333;">core_tm</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">foldTM</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">core_tm</span></span>
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99
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<pre style="margin: 0;">+<span id="LC99" class="line" lang="haskell"> <span class="n" style="color: #333;">mapTM</span> <span class="n" style="color: #333;">f</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CoercionMapX</span> <span class="n" style="color: #333;">core_tm</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">CoercionMapX</span> <span class="p">(</span><span class="n" style="color: #333;">mapTM</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">core_tm</span><span class="p">)</span></span>
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100
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<pre style="margin: 0;">+<span id="LC100" class="line" lang="haskell"></span>
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101
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<pre style="margin: 0;">+<span id="LC101" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">Eq</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">DeBruijn</span> <span class="kt" style="color: #458; font-weight: 600;">Coercion</span><span class="p">)</span> <span class="kr" style="font-weight: 600;">where</span></span>
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102
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<pre style="margin: 0;">+<span id="LC102" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env1</span> <span class="n" style="color: #333;">co1</span> <span class="o" style="font-weight: 600;">==</span> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env2</span> <span class="n" style="color: #333;">co2</span></span>
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103
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<pre style="margin: 0;">+<span id="LC103" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env1</span> <span class="p">(</span><span class="n" style="color: #333;">coercionType</span> <span class="n" style="color: #333;">co1</span><span class="p">)</span> <span class="o" style="font-weight: 600;">==</span></span>
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104
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<pre style="margin: 0;">+<span id="LC104" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env2</span> <span class="p">(</span><span class="n" style="color: #333;">coercionType</span> <span class="n" style="color: #333;">co2</span><span class="p">)</span></span>
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105
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<pre style="margin: 0;">+<span id="LC105" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC106" class="line" lang="haskell"><span class="n" style="color: #333;">lkC</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">DeBruijn</span> <span class="kt" style="color: #458; font-weight: 600;">Coercion</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">CoercionMapX</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Maybe</span> <span class="n" style="color: #333;">a</span></span>
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107
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<pre style="margin: 0;">+<span id="LC107" class="line" lang="haskell"><span class="n" style="color: #333;">lkC</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">co</span><span class="p">)</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CoercionMapX</span> <span class="n" style="color: #333;">core_tm</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">lkT</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">coercionType</span> <span class="n" style="color: #333;">co</span><span class="p">)</span></span>
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108
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<pre style="margin: 0;">+<span id="LC108" class="line" lang="haskell"> <span class="n" style="color: #333;">core_tm</span></span>
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109
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<pre style="margin: 0;">+<span id="LC109" class="line" lang="haskell"></span>
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110
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<pre style="margin: 0;">+<span id="LC110" class="line" lang="haskell"><span class="n" style="color: #333;">xtC</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">DeBruijn</span> <span class="kt" style="color: #458; font-weight: 600;">Coercion</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">XT</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">CoercionMapX</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">CoercionMapX</span> <span class="n" style="color: #333;">a</span></span>
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<pre style="margin: 0;">+<span id="LC111" class="line" lang="haskell"><span class="n" style="color: #333;">xtC</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">co</span><span class="p">)</span> <span class="n" style="color: #333;">f</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CoercionMapX</span> <span class="n" style="color: #333;">m</span><span class="p">)</span></span>
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112
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<pre style="margin: 0;">+<span id="LC112" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">CoercionMapX</span> <span class="p">(</span><span class="n" style="color: #333;">xtT</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">coercionType</span> <span class="n" style="color: #333;">co</span><span class="p">)</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">m</span><span class="p">)</span></span>
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<pre style="margin: 0;">+<span id="LC113" class="line" lang="haskell"></span>
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114
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<pre style="margin: 0;">+<span id="LC114" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">{-</span></span>
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115
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<pre style="margin: 0;">+<span id="LC115" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">************************************************************************</span></span>
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116
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<pre style="margin: 0;">+<span id="LC116" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">* *</span></span>
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117
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<pre style="margin: 0;">+<span id="LC117" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;"> Types</span></span>
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118
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<pre style="margin: 0;">+<span id="LC118" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">* *</span></span>
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119
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<pre style="margin: 0;">+<span id="LC119" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">************************************************************************</span></span>
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<pre style="margin: 0;">+<span id="LC120" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">-}</span></span>
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<pre style="margin: 0;">+<span id="LC121" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC122" class="line" lang="haskell"><span class="cd">-- | @TypeMapG a@ is a map from @DeBruijn Type@ to @a@. The extended</span></span>
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<pre style="margin: 0;">+<span id="LC123" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- key makes it suitable for recursive traversal, since it can track binders,</span></span>
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<pre style="margin: 0;">+<span id="LC124" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- but it is strictly internal to this module. If you are including a 'TypeMap'</span></span>
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<pre style="margin: 0;">+<span id="LC125" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- inside another 'TrieMap', this is the type you want. Note that this</span></span>
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<pre style="margin: 0;">+<span id="LC126" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- lookup does not do a kind-check. Thus, all keys in this map must have</span></span>
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<pre style="margin: 0;">+<span id="LC127" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- the same kind. Also note that this map respects the distinction between</span></span>
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<pre style="margin: 0;">+<span id="LC128" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- @Type@ and @Constraint@, despite the fact that they are equivalent type</span></span>
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129
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<pre style="margin: 0;">+<span id="LC129" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- synonyms in Core.</span></span>
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<pre style="margin: 0;">+<span id="LC130" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">type</span> <span class="kt" style="color: #458; font-weight: 600;">TypeMapG</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">GenMap</span> <span class="kt" style="color: #458; font-weight: 600;">TypeMapX</span></span>
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131
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<pre style="margin: 0;">+<span id="LC131" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC132" class="line" lang="haskell"><span class="cd">-- | @TypeMapX a@ is the base map from @DeBruijn Type@ to @a@, but without the</span></span>
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133
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<pre style="margin: 0;">+<span id="LC133" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- 'GenMap' optimization.</span></span>
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134
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<pre style="margin: 0;">+<span id="LC134" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">data</span> <span class="kt" style="color: #458; font-weight: 600;">TypeMapX</span> <span class="n" style="color: #333;">a</span></span>
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135
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<pre style="margin: 0;">+<span id="LC135" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">TM</span> <span class="p">{</span> <span class="n" style="color: #333;">tm_var</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">VarMap</span> <span class="n" style="color: #333;">a</span></span>
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136
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<pre style="margin: 0;">+<span id="LC136" class="line" lang="haskell"> <span class="p">,</span> <span class="n" style="color: #333;">tm_app</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">TypeMapG</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">TypeMapG</span> <span class="n" style="color: #333;">a</span><span class="p">)</span></span>
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137
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<pre style="margin: 0;">+<span id="LC137" class="line" lang="haskell"> <span class="p">,</span> <span class="n" style="color: #333;">tm_tycon</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">DNameEnv</span> <span class="n" style="color: #333;">a</span></span>
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138
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<pre style="margin: 0;">+<span id="LC138" class="line" lang="haskell"> <span class="p">,</span> <span class="n" style="color: #333;">tm_forall</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">TypeMapG</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">BndrMap</span> <span class="n" style="color: #333;">a</span><span class="p">)</span> <span class="c1" style="color: #998; font-style: italic;">-- See Note [Binders] in GHC.Core.Map</span></span>
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139
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<pre style="margin: 0;">+<span id="LC139" class="line" lang="haskell"> <span class="p">,</span> <span class="n" style="color: #333;">tm_tylit</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">TyLitMap</span> <span class="n" style="color: #333;">a</span></span>
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140
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<pre style="margin: 0;">+<span id="LC140" class="line" lang="haskell"> <span class="p">,</span> <span class="n" style="color: #333;">tm_coerce</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Maybe</span> <span class="n" style="color: #333;">a</span></span>
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141
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<pre style="margin: 0;">+<span id="LC141" class="line" lang="haskell"> <span class="p">}</span></span>
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142
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<pre style="margin: 0;">+<span id="LC142" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- Note that there is no tyconapp case; see Note [Equality on AppTys] in GHC.Core.Type</span></span>
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143
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<pre style="margin: 0;">+<span id="LC143" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC144" class="line" lang="haskell"><span class="cd">-- | Squeeze out any synonyms, and change TyConApps to nested AppTys. Why the</span></span>
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<pre style="margin: 0;">+<span id="LC145" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- last one? See Note [Equality on AppTys] in "GHC.Core.Type"</span></span>
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146
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<pre style="margin: 0;">+<span id="LC146" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--</span></span>
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147
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<pre style="margin: 0;">+<span id="LC147" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Note, however, that we keep Constraint and Type apart here, despite the fact</span></span>
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148
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<pre style="margin: 0;">+<span id="LC148" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- that they are both synonyms of TYPE 'LiftedRep (see #11715).</span></span>
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149
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<pre style="margin: 0;">+<span id="LC149" class="line" lang="haskell"><span class="n" style="color: #333;">trieMapView</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Type</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Maybe</span> <span class="kt" style="color: #458; font-weight: 600;">Type</span></span>
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150
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<pre style="margin: 0;">+<span id="LC150" class="line" lang="haskell"><span class="n" style="color: #333;">trieMapView</span> <span class="n" style="color: #333;">ty</span></span>
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151
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<pre style="margin: 0;">+<span id="LC151" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- First check for TyConApps that need to be expanded to</span></span>
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152
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<pre style="margin: 0;">+<span id="LC152" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- AppTy chains.</span></span>
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153
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<pre style="margin: 0;">+<span id="LC153" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="p">(</span><span class="n" style="color: #333;">tc</span><span class="p">,</span> <span class="n" style="color: #333;">tys</span><span class="o" style="font-weight: 600;">@</span><span class="p">(</span><span class="kr" style="font-weight: 600;">_</span><span class="o" style="font-weight: 600;">:</span><span class="kr" style="font-weight: 600;">_</span><span class="p">))</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">tcSplitTyConApp_maybe</span> <span class="n" style="color: #333;">ty</span></span>
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154
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<pre style="margin: 0;">+<span id="LC154" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">foldl'</span> <span class="kt" style="color: #458; font-weight: 600;">AppTy</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">TyConApp</span> <span class="n" style="color: #333;">tc</span> <span class="kt" style="color: #458; font-weight: 600;">[]</span><span class="p">)</span> <span class="n" style="color: #333;">tys</span></span>
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155
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<pre style="margin: 0;">+<span id="LC155" class="line" lang="haskell"></span>
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156
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<pre style="margin: 0;">+<span id="LC156" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- Then resolve any remaining nullary synonyms.</span></span>
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157
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<pre style="margin: 0;">+<span id="LC157" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="n" style="color: #333;">ty'</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">tcView</span> <span class="n" style="color: #333;">ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="n" style="color: #333;">ty'</span></span>
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158
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<pre style="margin: 0;">+<span id="LC158" class="line" lang="haskell"><span class="n" style="color: #333;">trieMapView</span> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Nothing</span></span>
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159
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<pre style="margin: 0;">+<span id="LC159" class="line" lang="haskell"></span>
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160
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<pre style="margin: 0;">+<span id="LC160" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">TrieMap</span> <span class="kt" style="color: #458; font-weight: 600;">TypeMapX</span> <span class="kr" style="font-weight: 600;">where</span></span>
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161
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<pre style="margin: 0;">+<span id="LC161" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">type</span> <span class="kt" style="color: #458; font-weight: 600;">Key</span> <span class="kt" style="color: #458; font-weight: 600;">TypeMapX</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">DeBruijn</span> <span class="kt" style="color: #458; font-weight: 600;">Type</span></span>
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162
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<pre style="margin: 0;">+<span id="LC162" class="line" lang="haskell"> <span class="n" style="color: #333;">emptyTM</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">emptyT</span></span>
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163
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<pre style="margin: 0;">+<span id="LC163" class="line" lang="haskell"> <span class="n" style="color: #333;">lookupTM</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">lkT</span></span>
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164
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<pre style="margin: 0;">+<span id="LC164" class="line" lang="haskell"> <span class="n" style="color: #333;">alterTM</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">xtT</span></span>
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165
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<pre style="margin: 0;">+<span id="LC165" class="line" lang="haskell"> <span class="n" style="color: #333;">foldTM</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">fdT</span></span>
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166
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<pre style="margin: 0;">+<span id="LC166" class="line" lang="haskell"> <span class="n" style="color: #333;">mapTM</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mapT</span></span>
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167
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<pre style="margin: 0;">+<span id="LC167" class="line" lang="haskell"></span>
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168
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<pre style="margin: 0;">+<span id="LC168" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">Eq</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">DeBruijn</span> <span class="kt" style="color: #458; font-weight: 600;">Type</span><span class="p">)</span> <span class="kr" style="font-weight: 600;">where</span></span>
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169
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<pre style="margin: 0;">+<span id="LC169" class="line" lang="haskell"> <span class="n" style="color: #333;">env_t</span><span class="o" style="font-weight: 600;">@</span><span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">t</span><span class="p">)</span> <span class="o" style="font-weight: 600;">==</span> <span class="n" style="color: #333;">env_t'</span><span class="o" style="font-weight: 600;">@</span><span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env'</span> <span class="n" style="color: #333;">t'</span><span class="p">)</span></span>
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170
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<pre style="margin: 0;">+<span id="LC170" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="n" style="color: #333;">new_t</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">tcView</span> <span class="n" style="color: #333;">t</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">new_t</span> <span class="o" style="font-weight: 600;">==</span> <span class="n" style="color: #333;">env_t'</span></span>
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171
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<pre style="margin: 0;">+<span id="LC171" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="n" style="color: #333;">new_t'</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">tcView</span> <span class="n" style="color: #333;">t'</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">env_t</span> <span class="o" style="font-weight: 600;">==</span> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env'</span> <span class="n" style="color: #333;">new_t'</span></span>
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172
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<pre style="margin: 0;">+<span id="LC172" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">otherwise</span></span>
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173
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<pre style="margin: 0;">+<span id="LC173" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">case</span> <span class="p">(</span><span class="n" style="color: #333;">t</span><span class="p">,</span> <span class="n" style="color: #333;">t'</span><span class="p">)</span> <span class="kr" style="font-weight: 600;">of</span></span>
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174
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<pre style="margin: 0;">+<span id="LC174" class="line" lang="haskell"> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CastTy</span> <span class="n" style="color: #333;">t1</span> <span class="kr" style="font-weight: 600;">_</span><span class="p">,</span> <span class="kr" style="font-weight: 600;">_</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">t1</span> <span class="o" style="font-weight: 600;">==</span> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">t'</span></span>
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175
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<pre style="margin: 0;">+<span id="LC175" class="line" lang="haskell"> <span class="p">(</span><span class="kr" style="font-weight: 600;">_</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">CastTy</span> <span class="n" style="color: #333;">t1'</span> <span class="kr" style="font-weight: 600;">_</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">t</span> <span class="o" style="font-weight: 600;">==</span> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">t1'</span></span>
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176
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<pre style="margin: 0;">+<span id="LC176" class="line" lang="haskell"></span>
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177
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<pre style="margin: 0;">+<span id="LC177" class="line" lang="haskell"> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">TyVarTy</span> <span class="n" style="color: #333;">v</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">TyVarTy</span> <span class="n" style="color: #333;">v'</span><span class="p">)</span></span>
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178
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<pre style="margin: 0;">+<span id="LC178" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">-></span> <span class="kr" style="font-weight: 600;">case</span> <span class="p">(</span><span class="n" style="color: #333;">lookupCME</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">v</span><span class="p">,</span> <span class="n" style="color: #333;">lookupCME</span> <span class="n" style="color: #333;">env'</span> <span class="n" style="color: #333;">v'</span><span class="p">)</span> <span class="kr" style="font-weight: 600;">of</span></span>
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<td class="diff-line-num new new_line" data-linenumber="179" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
179
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<pre style="margin: 0;">+<span id="LC179" class="line" lang="haskell"> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="n" style="color: #333;">bv</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="n" style="color: #333;">bv'</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">bv</span> <span class="o" style="font-weight: 600;">==</span> <span class="n" style="color: #333;">bv'</span></span>
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180
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<pre style="margin: 0;">+<span id="LC180" class="line" lang="haskell"> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Nothing</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">Nothing</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">v</span> <span class="o" style="font-weight: 600;">==</span> <span class="n" style="color: #333;">v'</span></span>
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181
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<pre style="margin: 0;">+<span id="LC181" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">False</span></span>
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182
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<pre style="margin: 0;">+<span id="LC182" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- See Note [Equality on AppTys] in GHC.Core.Type</span></span>
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<td class="diff-line-num new new_line" data-linenumber="183" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
183
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<pre style="margin: 0;">+<span id="LC183" class="line" lang="haskell"> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">AppTy</span> <span class="n" style="color: #333;">t1</span> <span class="n" style="color: #333;">t2</span><span class="p">,</span> <span class="n" style="color: #333;">s</span><span class="p">)</span> <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="p">(</span><span class="n" style="color: #333;">t1'</span><span class="p">,</span> <span class="n" style="color: #333;">t2'</span><span class="p">)</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">repSplitAppTy_maybe</span> <span class="n" style="color: #333;">s</span></span>
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<td class="diff-line-num new new_line" data-linenumber="184" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
184
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<pre style="margin: 0;">+<span id="LC184" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">t1</span> <span class="o" style="font-weight: 600;">==</span> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env'</span> <span class="n" style="color: #333;">t1'</span> <span class="o" style="font-weight: 600;">&&</span> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">t2</span> <span class="o" style="font-weight: 600;">==</span> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env'</span> <span class="n" style="color: #333;">t2'</span></span>
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<td class="diff-line-num new new_line" data-linenumber="185" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
185
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<pre style="margin: 0;">+<span id="LC185" class="line" lang="haskell"> <span class="p">(</span><span class="n" style="color: #333;">s</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">AppTy</span> <span class="n" style="color: #333;">t1'</span> <span class="n" style="color: #333;">t2'</span><span class="p">)</span> <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="p">(</span><span class="n" style="color: #333;">t1</span><span class="p">,</span> <span class="n" style="color: #333;">t2</span><span class="p">)</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">repSplitAppTy_maybe</span> <span class="n" style="color: #333;">s</span></span>
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<td class="diff-line-num new new_line" data-linenumber="186" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
186
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<pre style="margin: 0;">+<span id="LC186" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">t1</span> <span class="o" style="font-weight: 600;">==</span> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env'</span> <span class="n" style="color: #333;">t1'</span> <span class="o" style="font-weight: 600;">&&</span> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">t2</span> <span class="o" style="font-weight: 600;">==</span> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env'</span> <span class="n" style="color: #333;">t2'</span></span>
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187
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<pre style="margin: 0;">+<span id="LC187" class="line" lang="haskell"> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">FunTy</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">w1</span> <span class="n" style="color: #333;">t1</span> <span class="n" style="color: #333;">t2</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">FunTy</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">w1'</span> <span class="n" style="color: #333;">t1'</span> <span class="n" style="color: #333;">t2'</span><span class="p">)</span></span>
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<td class="diff-line-num new new_line" data-linenumber="188" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
188
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<pre style="margin: 0;">+<span id="LC188" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">w1</span> <span class="o" style="font-weight: 600;">==</span> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">w1'</span> <span class="o" style="font-weight: 600;">&&</span> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">t1</span> <span class="o" style="font-weight: 600;">==</span> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env'</span> <span class="n" style="color: #333;">t1'</span> <span class="o" style="font-weight: 600;">&&</span> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">t2</span> <span class="o" style="font-weight: 600;">==</span> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env'</span> <span class="n" style="color: #333;">t2'</span></span>
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<td class="diff-line-num new new_line" data-linenumber="189" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
189
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<pre style="margin: 0;">+<span id="LC189" class="line" lang="haskell"> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">TyConApp</span> <span class="n" style="color: #333;">tc</span> <span class="n" style="color: #333;">tys</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">TyConApp</span> <span class="n" style="color: #333;">tc'</span> <span class="n" style="color: #333;">tys'</span><span class="p">)</span></span>
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<td class="diff-line-num new new_line" data-linenumber="190" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
190
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<pre style="margin: 0;">+<span id="LC190" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">tc</span> <span class="o" style="font-weight: 600;">==</span> <span class="n" style="color: #333;">tc'</span> <span class="o" style="font-weight: 600;">&&</span> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">tys</span> <span class="o" style="font-weight: 600;">==</span> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env'</span> <span class="n" style="color: #333;">tys'</span></span>
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191
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<pre style="margin: 0;">+<span id="LC191" class="line" lang="haskell"> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">LitTy</span> <span class="n" style="color: #333;">l</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">LitTy</span> <span class="n" style="color: #333;">l'</span><span class="p">)</span></span>
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192
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<pre style="margin: 0;">+<span id="LC192" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">l</span> <span class="o" style="font-weight: 600;">==</span> <span class="n" style="color: #333;">l'</span></span>
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<td class="diff-line-num new new_line" data-linenumber="193" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
193
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<pre style="margin: 0;">+<span id="LC193" class="line" lang="haskell"> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">ForAllTy</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Bndr</span> <span class="n" style="color: #333;">tv</span> <span class="kr" style="font-weight: 600;">_</span><span class="p">)</span> <span class="n" style="color: #333;">ty</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">ForAllTy</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Bndr</span> <span class="n" style="color: #333;">tv'</span> <span class="kr" style="font-weight: 600;">_</span><span class="p">)</span> <span class="n" style="color: #333;">ty'</span><span class="p">)</span></span>
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194
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<pre style="margin: 0;">+<span id="LC194" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="p">(</span><span class="n" style="color: #333;">varType</span> <span class="n" style="color: #333;">tv</span><span class="p">)</span> <span class="o" style="font-weight: 600;">==</span> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env'</span> <span class="p">(</span><span class="n" style="color: #333;">varType</span> <span class="n" style="color: #333;">tv'</span><span class="p">)</span> <span class="o" style="font-weight: 600;">&&</span></span>
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<td class="diff-line-num new new_line" data-linenumber="195" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
195
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<pre style="margin: 0;">+<span id="LC195" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="p">(</span><span class="n" style="color: #333;">extendCME</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">tv</span><span class="p">)</span> <span class="n" style="color: #333;">ty</span> <span class="o" style="font-weight: 600;">==</span> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="p">(</span><span class="n" style="color: #333;">extendCME</span> <span class="n" style="color: #333;">env'</span> <span class="n" style="color: #333;">tv'</span><span class="p">)</span> <span class="n" style="color: #333;">ty'</span></span>
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196
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<pre style="margin: 0;">+<span id="LC196" class="line" lang="haskell"> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CoercionTy</span> <span class="p">{},</span> <span class="kt" style="color: #458; font-weight: 600;">CoercionTy</span> <span class="p">{})</span></span>
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197
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<pre style="margin: 0;">+<span id="LC197" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">True</span></span>
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198
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<pre style="margin: 0;">+<span id="LC198" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">False</span></span>
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199
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<pre style="margin: 0;">+<span id="LC199" class="line" lang="haskell"></span>
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200
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<pre style="margin: 0;">+<span id="LC200" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="cp" style="color: #999; font-weight: 600;">{-# OVERLAPPING #-}</span></span>
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201
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<pre style="margin: 0;">+<span id="LC201" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">Outputable</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">=></span> <span class="kt" style="color: #458; font-weight: 600;">Outputable</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">TypeMapG</span> <span class="n" style="color: #333;">a</span><span class="p">)</span> <span class="kr" style="font-weight: 600;">where</span></span>
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202
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<pre style="margin: 0;">+<span id="LC202" class="line" lang="haskell"> <span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">m</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">text</span> <span class="s" style="color: #d14;">"TypeMap elts"</span> <span class="o" style="font-weight: 600;"><+></span> <span class="n" style="color: #333;">ppr</span> <span class="p">(</span><span class="n" style="color: #333;">foldTM</span> <span class="p">(</span><span class="o" style="font-weight: 600;">:</span><span class="p">)</span> <span class="n" style="color: #333;">m</span> <span class="kt" style="color: #458; font-weight: 600;">[]</span><span class="p">)</span></span>
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203
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<pre style="margin: 0;">+<span id="LC203" class="line" lang="haskell"></span>
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204
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<pre style="margin: 0;">+<span id="LC204" class="line" lang="haskell"><span class="n" style="color: #333;">emptyT</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">TypeMapX</span> <span class="n" style="color: #333;">a</span></span>
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205
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<pre style="margin: 0;">+<span id="LC205" class="line" lang="haskell"><span class="n" style="color: #333;">emptyT</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">TM</span> <span class="p">{</span> <span class="n" style="color: #333;">tm_var</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">emptyTM</span></span>
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206
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<pre style="margin: 0;">+<span id="LC206" class="line" lang="haskell"> <span class="p">,</span> <span class="n" style="color: #333;">tm_app</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">emptyTM</span></span>
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207
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<pre style="margin: 0;">+<span id="LC207" class="line" lang="haskell"> <span class="p">,</span> <span class="n" style="color: #333;">tm_tycon</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">emptyDNameEnv</span></span>
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208
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<pre style="margin: 0;">+<span id="LC208" class="line" lang="haskell"> <span class="p">,</span> <span class="n" style="color: #333;">tm_forall</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">emptyTM</span></span>
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209
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<pre style="margin: 0;">+<span id="LC209" class="line" lang="haskell"> <span class="p">,</span> <span class="n" style="color: #333;">tm_tylit</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">emptyTyLitMap</span></span>
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210
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<pre style="margin: 0;">+<span id="LC210" class="line" lang="haskell"> <span class="p">,</span> <span class="n" style="color: #333;">tm_coerce</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Nothing</span> <span class="p">}</span></span>
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<pre style="margin: 0;">+<span id="LC211" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC212" class="line" lang="haskell"><span class="n" style="color: #333;">mapT</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">(</span><span class="n" style="color: #333;">a</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">b</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TypeMapX</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TypeMapX</span> <span class="n" style="color: #333;">b</span></span>
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<pre style="margin: 0;">+<span id="LC213" class="line" lang="haskell"><span class="n" style="color: #333;">mapT</span> <span class="n" style="color: #333;">f</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">TM</span> <span class="p">{</span> <span class="n" style="color: #333;">tm_var</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">tvar</span><span class="p">,</span> <span class="n" style="color: #333;">tm_app</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">tapp</span><span class="p">,</span> <span class="n" style="color: #333;">tm_tycon</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">ttycon</span></span>
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<pre style="margin: 0;">+<span id="LC214" class="line" lang="haskell"> <span class="p">,</span> <span class="n" style="color: #333;">tm_forall</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">tforall</span><span class="p">,</span> <span class="n" style="color: #333;">tm_tylit</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">tlit</span></span>
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<pre style="margin: 0;">+<span id="LC215" class="line" lang="haskell"> <span class="p">,</span> <span class="n" style="color: #333;">tm_coerce</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">tcoerce</span> <span class="p">})</span></span>
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<pre style="margin: 0;">+<span id="LC216" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">TM</span> <span class="p">{</span> <span class="n" style="color: #333;">tm_var</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mapTM</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">tvar</span></span>
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<pre style="margin: 0;">+<span id="LC217" class="line" lang="haskell"> <span class="p">,</span> <span class="n" style="color: #333;">tm_app</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mapTM</span> <span class="p">(</span><span class="n" style="color: #333;">mapTM</span> <span class="n" style="color: #333;">f</span><span class="p">)</span> <span class="n" style="color: #333;">tapp</span></span>
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<pre style="margin: 0;">+<span id="LC218" class="line" lang="haskell"> <span class="p">,</span> <span class="n" style="color: #333;">tm_tycon</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mapTM</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">ttycon</span></span>
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<pre style="margin: 0;">+<span id="LC219" class="line" lang="haskell"> <span class="p">,</span> <span class="n" style="color: #333;">tm_forall</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mapTM</span> <span class="p">(</span><span class="n" style="color: #333;">mapTM</span> <span class="n" style="color: #333;">f</span><span class="p">)</span> <span class="n" style="color: #333;">tforall</span></span>
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<pre style="margin: 0;">+<span id="LC220" class="line" lang="haskell"> <span class="p">,</span> <span class="n" style="color: #333;">tm_tylit</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mapTM</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">tlit</span></span>
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<pre style="margin: 0;">+<span id="LC221" class="line" lang="haskell"> <span class="p">,</span> <span class="n" style="color: #333;">tm_coerce</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">fmap</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">tcoerce</span> <span class="p">}</span></span>
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<pre style="margin: 0;">+<span id="LC222" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC223" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-----------------</span></span>
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<pre style="margin: 0;">+<span id="LC224" class="line" lang="haskell"><span class="n" style="color: #333;">lkT</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">DeBruijn</span> <span class="kt" style="color: #458; font-weight: 600;">Type</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TypeMapX</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Maybe</span> <span class="n" style="color: #333;">a</span></span>
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<pre style="margin: 0;">+<span id="LC225" class="line" lang="haskell"><span class="n" style="color: #333;">lkT</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">ty</span><span class="p">)</span> <span class="n" style="color: #333;">m</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">go</span> <span class="n" style="color: #333;">ty</span> <span class="n" style="color: #333;">m</span></span>
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<pre style="margin: 0;">+<span id="LC226" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;">+<span id="LC227" class="line" lang="haskell"> <span class="n" style="color: #333;">go</span> <span class="n" style="color: #333;">ty</span> <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="n" style="color: #333;">ty'</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">trieMapView</span> <span class="n" style="color: #333;">ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">go</span> <span class="n" style="color: #333;">ty'</span></span>
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<pre style="margin: 0;">+<span id="LC228" class="line" lang="haskell"> <span class="n" style="color: #333;">go</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">TyVarTy</span> <span class="n" style="color: #333;">v</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">tm_var</span> <span class="o" style="font-weight: 600;">>.></span> <span class="n" style="color: #333;">lkVar</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">v</span></span>
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<pre style="margin: 0;">+<span id="LC229" class="line" lang="haskell"> <span class="n" style="color: #333;">go</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">AppTy</span> <span class="n" style="color: #333;">t1</span> <span class="n" style="color: #333;">t2</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">tm_app</span> <span class="o" style="font-weight: 600;">>.></span> <span class="n" style="color: #333;">lkG</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">t1</span><span class="p">)</span></span>
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<pre style="margin: 0;">+<span id="LC230" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">>=></span> <span class="n" style="color: #333;">lkG</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">t2</span><span class="p">)</span></span>
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<td class="diff-line-num new new_line" data-linenumber="231" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC231" class="line" lang="haskell"> <span class="n" style="color: #333;">go</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">TyConApp</span> <span class="n" style="color: #333;">tc</span> <span class="kt" style="color: #458; font-weight: 600;">[]</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">tm_tycon</span> <span class="o" style="font-weight: 600;">>.></span> <span class="n" style="color: #333;">lkDNamed</span> <span class="n" style="color: #333;">tc</span></span>
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<pre style="margin: 0;">+<span id="LC232" class="line" lang="haskell"> <span class="n" style="color: #333;">go</span> <span class="n" style="color: #333;">ty</span><span class="o" style="font-weight: 600;">@</span><span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">TyConApp</span> <span class="kr" style="font-weight: 600;">_</span> <span class="p">(</span><span class="kr" style="font-weight: 600;">_</span><span class="o" style="font-weight: 600;">:</span><span class="kr" style="font-weight: 600;">_</span><span class="p">))</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">pprPanic</span> <span class="s" style="color: #d14;">"lkT TyConApp"</span> <span class="p">(</span><span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">ty</span><span class="p">)</span></span>
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<td class="diff-line-num new new_line" data-linenumber="233" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC233" class="line" lang="haskell"> <span class="n" style="color: #333;">go</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">LitTy</span> <span class="n" style="color: #333;">l</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">tm_tylit</span> <span class="o" style="font-weight: 600;">>.></span> <span class="n" style="color: #333;">lkTyLit</span> <span class="n" style="color: #333;">l</span></span>
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<td class="diff-line-num new new_line" data-linenumber="234" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC234" class="line" lang="haskell"> <span class="n" style="color: #333;">go</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">ForAllTy</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Bndr</span> <span class="n" style="color: #333;">tv</span> <span class="kr" style="font-weight: 600;">_</span><span class="p">)</span> <span class="n" style="color: #333;">ty</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">tm_forall</span> <span class="o" style="font-weight: 600;">>.></span> <span class="n" style="color: #333;">lkG</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="p">(</span><span class="n" style="color: #333;">extendCME</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">tv</span><span class="p">)</span> <span class="n" style="color: #333;">ty</span><span class="p">)</span></span>
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<pre style="margin: 0;">+<span id="LC235" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">>=></span> <span class="n" style="color: #333;">lkBndr</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">tv</span></span>
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<pre style="margin: 0;">+<span id="LC236" class="line" lang="haskell"> <span class="n" style="color: #333;">go</span> <span class="n" style="color: #333;">ty</span><span class="o" style="font-weight: 600;">@</span><span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">FunTy</span> <span class="p">{})</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">pprPanic</span> <span class="s" style="color: #d14;">"lkT FunTy"</span> <span class="p">(</span><span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">ty</span><span class="p">)</span></span>
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<pre style="margin: 0;">+<span id="LC237" class="line" lang="haskell"> <span class="n" style="color: #333;">go</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CastTy</span> <span class="n" style="color: #333;">t</span> <span class="kr" style="font-weight: 600;">_</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">go</span> <span class="n" style="color: #333;">t</span></span>
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<pre style="margin: 0;">+<span id="LC238" class="line" lang="haskell"> <span class="n" style="color: #333;">go</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CoercionTy</span> <span class="p">{})</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">tm_coerce</span></span>
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<pre style="margin: 0;">+<span id="LC239" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC240" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-----------------</span></span>
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<pre style="margin: 0;">+<span id="LC241" class="line" lang="haskell"><span class="n" style="color: #333;">xtT</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">DeBruijn</span> <span class="kt" style="color: #458; font-weight: 600;">Type</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">XT</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TypeMapX</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TypeMapX</span> <span class="n" style="color: #333;">a</span></span>
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<pre style="margin: 0;">+<span id="LC242" class="line" lang="haskell"><span class="n" style="color: #333;">xtT</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">ty</span><span class="p">)</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">m</span> <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="n" style="color: #333;">ty'</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">trieMapView</span> <span class="n" style="color: #333;">ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">xtT</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">ty'</span><span class="p">)</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">m</span></span>
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<pre style="margin: 0;">+<span id="LC243" class="line" lang="haskell"></span>
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<td class="diff-line-num new new_line" data-linenumber="244" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC244" class="line" lang="haskell"><span class="n" style="color: #333;">xtT</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">TyVarTy</span> <span class="n" style="color: #333;">v</span><span class="p">))</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">m</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">m</span> <span class="p">{</span> <span class="n" style="color: #333;">tm_var</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">tm_var</span> <span class="n" style="color: #333;">m</span> <span class="o" style="font-weight: 600;">|></span> <span class="n" style="color: #333;">xtVar</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">v</span> <span class="n" style="color: #333;">f</span> <span class="p">}</span></span>
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<pre style="margin: 0;">+<span id="LC245" class="line" lang="haskell"><span class="n" style="color: #333;">xtT</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">AppTy</span> <span class="n" style="color: #333;">t1</span> <span class="n" style="color: #333;">t2</span><span class="p">))</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">m</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">m</span> <span class="p">{</span> <span class="n" style="color: #333;">tm_app</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">tm_app</span> <span class="n" style="color: #333;">m</span> <span class="o" style="font-weight: 600;">|></span> <span class="n" style="color: #333;">xtG</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">t1</span><span class="p">)</span></span>
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<pre style="margin: 0;">+<span id="LC246" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">|>></span> <span class="n" style="color: #333;">xtG</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">t2</span><span class="p">)</span> <span class="n" style="color: #333;">f</span> <span class="p">}</span></span>
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<pre style="margin: 0;">+<span id="LC247" class="line" lang="haskell"><span class="n" style="color: #333;">xtT</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="kr" style="font-weight: 600;">_</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">TyConApp</span> <span class="n" style="color: #333;">tc</span> <span class="kt" style="color: #458; font-weight: 600;">[]</span><span class="p">))</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">m</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">m</span> <span class="p">{</span> <span class="n" style="color: #333;">tm_tycon</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">tm_tycon</span> <span class="n" style="color: #333;">m</span> <span class="o" style="font-weight: 600;">|></span> <span class="n" style="color: #333;">xtDNamed</span> <span class="n" style="color: #333;">tc</span> <span class="n" style="color: #333;">f</span> <span class="p">}</span></span>
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<pre style="margin: 0;">+<span id="LC248" class="line" lang="haskell"><span class="n" style="color: #333;">xtT</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="kr" style="font-weight: 600;">_</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">LitTy</span> <span class="n" style="color: #333;">l</span><span class="p">))</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">m</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">m</span> <span class="p">{</span> <span class="n" style="color: #333;">tm_tylit</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">tm_tylit</span> <span class="n" style="color: #333;">m</span> <span class="o" style="font-weight: 600;">|></span> <span class="n" style="color: #333;">xtTyLit</span> <span class="n" style="color: #333;">l</span> <span class="n" style="color: #333;">f</span> <span class="p">}</span></span>
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249
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<pre style="margin: 0;">+<span id="LC249" class="line" lang="haskell"><span class="n" style="color: #333;">xtT</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CastTy</span> <span class="n" style="color: #333;">t</span> <span class="kr" style="font-weight: 600;">_</span><span class="p">))</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">m</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">xtT</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">t</span><span class="p">)</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">m</span></span>
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250
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<pre style="margin: 0;">+<span id="LC250" class="line" lang="haskell"><span class="n" style="color: #333;">xtT</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="kr" style="font-weight: 600;">_</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CoercionTy</span> <span class="p">{}))</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">m</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">m</span> <span class="p">{</span> <span class="n" style="color: #333;">tm_coerce</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">tm_coerce</span> <span class="n" style="color: #333;">m</span> <span class="o" style="font-weight: 600;">|></span> <span class="n" style="color: #333;">f</span> <span class="p">}</span></span>
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251
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<pre style="margin: 0;">+<span id="LC251" class="line" lang="haskell"><span class="n" style="color: #333;">xtT</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">ForAllTy</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Bndr</span> <span class="n" style="color: #333;">tv</span> <span class="kr" style="font-weight: 600;">_</span><span class="p">)</span> <span class="n" style="color: #333;">ty</span><span class="p">))</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">m</span></span>
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<pre style="margin: 0;">+<span id="LC252" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">m</span> <span class="p">{</span> <span class="n" style="color: #333;">tm_forall</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">tm_forall</span> <span class="n" style="color: #333;">m</span> <span class="o" style="font-weight: 600;">|></span> <span class="n" style="color: #333;">xtG</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="p">(</span><span class="n" style="color: #333;">extendCME</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">tv</span><span class="p">)</span> <span class="n" style="color: #333;">ty</span><span class="p">)</span></span>
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<pre style="margin: 0;">+<span id="LC253" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">|>></span> <span class="n" style="color: #333;">xtBndr</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">tv</span> <span class="n" style="color: #333;">f</span> <span class="p">}</span></span>
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254
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<pre style="margin: 0;">+<span id="LC254" class="line" lang="haskell"><span class="n" style="color: #333;">xtT</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">ty</span><span class="o" style="font-weight: 600;">@</span><span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">TyConApp</span> <span class="kr" style="font-weight: 600;">_</span> <span class="p">(</span><span class="kr" style="font-weight: 600;">_</span><span class="o" style="font-weight: 600;">:</span><span class="kr" style="font-weight: 600;">_</span><span class="p">)))</span> <span class="kr" style="font-weight: 600;">_</span> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">pprPanic</span> <span class="s" style="color: #d14;">"xtT TyConApp"</span> <span class="p">(</span><span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">ty</span><span class="p">)</span></span>
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<pre style="margin: 0;">+<span id="LC255" class="line" lang="haskell"><span class="n" style="color: #333;">xtT</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">ty</span><span class="o" style="font-weight: 600;">@</span><span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">FunTy</span> <span class="p">{}))</span> <span class="kr" style="font-weight: 600;">_</span> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">pprPanic</span> <span class="s" style="color: #d14;">"xtT FunTy"</span> <span class="p">(</span><span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">ty</span><span class="p">)</span></span>
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256
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<pre style="margin: 0;">+<span id="LC256" class="line" lang="haskell"></span>
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257
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<pre style="margin: 0;">+<span id="LC257" class="line" lang="haskell"><span class="n" style="color: #333;">fdT</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">(</span><span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">b</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">b</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TypeMapX</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">b</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">b</span></span>
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258
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<pre style="margin: 0;">+<span id="LC258" class="line" lang="haskell"><span class="n" style="color: #333;">fdT</span> <span class="n" style="color: #333;">k</span> <span class="n" style="color: #333;">m</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">foldTM</span> <span class="n" style="color: #333;">k</span> <span class="p">(</span><span class="n" style="color: #333;">tm_var</span> <span class="n" style="color: #333;">m</span><span class="p">)</span></span>
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259
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<pre style="margin: 0;">+<span id="LC259" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">.</span> <span class="n" style="color: #333;">foldTM</span> <span class="p">(</span><span class="n" style="color: #333;">foldTM</span> <span class="n" style="color: #333;">k</span><span class="p">)</span> <span class="p">(</span><span class="n" style="color: #333;">tm_app</span> <span class="n" style="color: #333;">m</span><span class="p">)</span></span>
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260
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<pre style="margin: 0;">+<span id="LC260" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">.</span> <span class="n" style="color: #333;">foldTM</span> <span class="n" style="color: #333;">k</span> <span class="p">(</span><span class="n" style="color: #333;">tm_tycon</span> <span class="n" style="color: #333;">m</span><span class="p">)</span></span>
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261
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<pre style="margin: 0;">+<span id="LC261" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">.</span> <span class="n" style="color: #333;">foldTM</span> <span class="p">(</span><span class="n" style="color: #333;">foldTM</span> <span class="n" style="color: #333;">k</span><span class="p">)</span> <span class="p">(</span><span class="n" style="color: #333;">tm_forall</span> <span class="n" style="color: #333;">m</span><span class="p">)</span></span>
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262
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<pre style="margin: 0;">+<span id="LC262" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">.</span> <span class="n" style="color: #333;">foldTyLit</span> <span class="n" style="color: #333;">k</span> <span class="p">(</span><span class="n" style="color: #333;">tm_tylit</span> <span class="n" style="color: #333;">m</span><span class="p">)</span></span>
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263
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<pre style="margin: 0;">+<span id="LC263" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">.</span> <span class="n" style="color: #333;">foldMaybe</span> <span class="n" style="color: #333;">k</span> <span class="p">(</span><span class="n" style="color: #333;">tm_coerce</span> <span class="n" style="color: #333;">m</span><span class="p">)</span></span>
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264
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<pre style="margin: 0;">+<span id="LC264" class="line" lang="haskell"></span>
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265
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<pre style="margin: 0;">+<span id="LC265" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">------------------------</span></span>
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266
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<pre style="margin: 0;">+<span id="LC266" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">data</span> <span class="kt" style="color: #458; font-weight: 600;">TyLitMap</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">TLM</span> <span class="p">{</span> <span class="n" style="color: #333;">tlm_number</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Map</span><span class="o" style="font-weight: 600;">.</span><span class="kt" style="color: #458; font-weight: 600;">Map</span> <span class="kt" style="color: #458; font-weight: 600;">Integer</span> <span class="n" style="color: #333;">a</span></span>
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<pre style="margin: 0;">+<span id="LC267" class="line" lang="haskell"> <span class="p">,</span> <span class="n" style="color: #333;">tlm_string</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">UniqFM</span> <span class="kt" style="color: #458; font-weight: 600;">FastString</span> <span class="n" style="color: #333;">a</span></span>
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<pre style="margin: 0;">+<span id="LC268" class="line" lang="haskell"> <span class="p">}</span></span>
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<pre style="margin: 0;">+<span id="LC269" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC270" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">TrieMap</span> <span class="kt" style="color: #458; font-weight: 600;">TyLitMap</span> <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;">+<span id="LC271" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">type</span> <span class="kt" style="color: #458; font-weight: 600;">Key</span> <span class="kt" style="color: #458; font-weight: 600;">TyLitMap</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">TyLit</span></span>
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<pre style="margin: 0;">+<span id="LC272" class="line" lang="haskell"> <span class="n" style="color: #333;">emptyTM</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">emptyTyLitMap</span></span>
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<pre style="margin: 0;">+<span id="LC273" class="line" lang="haskell"> <span class="n" style="color: #333;">lookupTM</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">lkTyLit</span></span>
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<pre style="margin: 0;">+<span id="LC274" class="line" lang="haskell"> <span class="n" style="color: #333;">alterTM</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">xtTyLit</span></span>
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<pre style="margin: 0;">+<span id="LC275" class="line" lang="haskell"> <span class="n" style="color: #333;">foldTM</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">foldTyLit</span></span>
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<pre style="margin: 0;">+<span id="LC276" class="line" lang="haskell"> <span class="n" style="color: #333;">mapTM</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mapTyLit</span></span>
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<pre style="margin: 0;">+<span id="LC277" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC278" class="line" lang="haskell"><span class="n" style="color: #333;">emptyTyLitMap</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">TyLitMap</span> <span class="n" style="color: #333;">a</span></span>
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<pre style="margin: 0;">+<span id="LC279" class="line" lang="haskell"><span class="n" style="color: #333;">emptyTyLitMap</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">TLM</span> <span class="p">{</span> <span class="n" style="color: #333;">tlm_number</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Map</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">empty</span><span class="p">,</span> <span class="n" style="color: #333;">tlm_string</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">emptyUFM</span> <span class="p">}</span></span>
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<pre style="margin: 0;">+<span id="LC280" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC281" class="line" lang="haskell"><span class="n" style="color: #333;">mapTyLit</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">(</span><span class="n" style="color: #333;">a</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">b</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TyLitMap</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TyLitMap</span> <span class="n" style="color: #333;">b</span></span>
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<pre style="margin: 0;">+<span id="LC282" class="line" lang="haskell"><span class="n" style="color: #333;">mapTyLit</span> <span class="n" style="color: #333;">f</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">TLM</span> <span class="p">{</span> <span class="n" style="color: #333;">tlm_number</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">tn</span><span class="p">,</span> <span class="n" style="color: #333;">tlm_string</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">ts</span> <span class="p">})</span></span>
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<pre style="margin: 0;">+<span id="LC283" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">TLM</span> <span class="p">{</span> <span class="n" style="color: #333;">tlm_number</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Map</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">map</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">tn</span><span class="p">,</span> <span class="n" style="color: #333;">tlm_string</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mapUFM</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">ts</span> <span class="p">}</span></span>
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<pre style="margin: 0;">+<span id="LC284" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC285" class="line" lang="haskell"><span class="n" style="color: #333;">lkTyLit</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">TyLit</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TyLitMap</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Maybe</span> <span class="n" style="color: #333;">a</span></span>
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<pre style="margin: 0;">+<span id="LC286" class="line" lang="haskell"><span class="n" style="color: #333;">lkTyLit</span> <span class="n" style="color: #333;">l</span> <span class="o" style="font-weight: 600;">=</span></span>
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<pre style="margin: 0;">+<span id="LC287" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">l</span> <span class="kr" style="font-weight: 600;">of</span></span>
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<pre style="margin: 0;">+<span id="LC288" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">NumTyLit</span> <span class="n" style="color: #333;">n</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">tlm_number</span> <span class="o" style="font-weight: 600;">>.></span> <span class="kt" style="color: #458; font-weight: 600;">Map</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">lookup</span> <span class="n" style="color: #333;">n</span></span>
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289
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<pre style="margin: 0;">+<span id="LC289" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">StrTyLit</span> <span class="n" style="color: #333;">n</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">tlm_string</span> <span class="o" style="font-weight: 600;">>.></span> <span class="p">(`</span><span class="n" style="color: #333;">lookupUFM</span><span class="p">`</span> <span class="n" style="color: #333;">n</span><span class="p">)</span></span>
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290
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<pre style="margin: 0;">+<span id="LC290" class="line" lang="haskell"></span>
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291
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<pre style="margin: 0;">+<span id="LC291" class="line" lang="haskell"><span class="n" style="color: #333;">xtTyLit</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">TyLit</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">XT</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TyLitMap</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TyLitMap</span> <span class="n" style="color: #333;">a</span></span>
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<pre style="margin: 0;">+<span id="LC292" class="line" lang="haskell"><span class="n" style="color: #333;">xtTyLit</span> <span class="n" style="color: #333;">l</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">m</span> <span class="o" style="font-weight: 600;">=</span></span>
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293
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<pre style="margin: 0;">+<span id="LC293" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">l</span> <span class="kr" style="font-weight: 600;">of</span></span>
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<pre style="margin: 0;">+<span id="LC294" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">NumTyLit</span> <span class="n" style="color: #333;">n</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">m</span> <span class="p">{</span> <span class="n" style="color: #333;">tlm_number</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Map</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">alter</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">n</span> <span class="p">(</span><span class="n" style="color: #333;">tlm_number</span> <span class="n" style="color: #333;">m</span><span class="p">)</span> <span class="p">}</span></span>
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<pre style="margin: 0;">+<span id="LC295" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">StrTyLit</span> <span class="n" style="color: #333;">n</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">m</span> <span class="p">{</span> <span class="n" style="color: #333;">tlm_string</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">alterUFM</span> <span class="n" style="color: #333;">f</span> <span class="p">(</span><span class="n" style="color: #333;">tlm_string</span> <span class="n" style="color: #333;">m</span><span class="p">)</span> <span class="n" style="color: #333;">n</span> <span class="p">}</span></span>
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<pre style="margin: 0;">+<span id="LC296" class="line" lang="haskell"></span>
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297
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<pre style="margin: 0;">+<span id="LC297" class="line" lang="haskell"><span class="n" style="color: #333;">foldTyLit</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">(</span><span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">b</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">b</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TyLitMap</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">b</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">b</span></span>
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298
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<pre style="margin: 0;">+<span id="LC298" class="line" lang="haskell"><span class="n" style="color: #333;">foldTyLit</span> <span class="n" style="color: #333;">l</span> <span class="n" style="color: #333;">m</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">flip</span> <span class="p">(</span><span class="n" style="color: #333;">foldUFM</span> <span class="n" style="color: #333;">l</span><span class="p">)</span> <span class="p">(</span><span class="n" style="color: #333;">tlm_string</span> <span class="n" style="color: #333;">m</span><span class="p">)</span></span>
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<pre style="margin: 0;">+<span id="LC299" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">.</span> <span class="n" style="color: #333;">flip</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Map</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">foldr</span> <span class="n" style="color: #333;">l</span><span class="p">)</span> <span class="p">(</span><span class="n" style="color: #333;">tlm_number</span> <span class="n" style="color: #333;">m</span><span class="p">)</span></span>
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<pre style="margin: 0;">+<span id="LC300" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC301" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-------------------------------------------------</span></span>
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<pre style="margin: 0;">+<span id="LC302" class="line" lang="haskell"><span class="cd">-- | @TypeMap a@ is a map from 'Type' to @a@. If you are a client, this</span></span>
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<pre style="margin: 0;">+<span id="LC303" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- is the type you want. The keys in this map may have different kinds.</span></span>
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<pre style="margin: 0;">+<span id="LC304" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">newtype</span> <span class="kt" style="color: #458; font-weight: 600;">TypeMap</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">TypeMap</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">TypeMapG</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">TypeMapG</span> <span class="n" style="color: #333;">a</span><span class="p">))</span></span>
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<pre style="margin: 0;">+<span id="LC305" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC306" class="line" lang="haskell"><span class="n" style="color: #333;">lkTT</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">DeBruijn</span> <span class="kt" style="color: #458; font-weight: 600;">Type</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TypeMap</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Maybe</span> <span class="n" style="color: #333;">a</span></span>
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<pre style="margin: 0;">+<span id="LC307" class="line" lang="haskell"><span class="n" style="color: #333;">lkTT</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">ty</span><span class="p">)</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">TypeMap</span> <span class="n" style="color: #333;">m</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">lkG</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">typeKind</span> <span class="n" style="color: #333;">ty</span><span class="p">)</span> <span class="n" style="color: #333;">m</span></span>
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<pre style="margin: 0;">+<span id="LC308" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">>>=</span> <span class="n" style="color: #333;">lkG</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">ty</span><span class="p">)</span></span>
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<pre style="margin: 0;">+<span id="LC309" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC310" class="line" lang="haskell"><span class="n" style="color: #333;">xtTT</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">DeBruijn</span> <span class="kt" style="color: #458; font-weight: 600;">Type</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">XT</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TypeMap</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TypeMap</span> <span class="n" style="color: #333;">a</span></span>
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<pre style="margin: 0;">+<span id="LC311" class="line" lang="haskell"><span class="n" style="color: #333;">xtTT</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">ty</span><span class="p">)</span> <span class="n" style="color: #333;">f</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">TypeMap</span> <span class="n" style="color: #333;">m</span><span class="p">)</span></span>
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<pre style="margin: 0;">+<span id="LC312" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">TypeMap</span> <span class="p">(</span><span class="n" style="color: #333;">m</span> <span class="o" style="font-weight: 600;">|></span> <span class="n" style="color: #333;">xtG</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">typeKind</span> <span class="n" style="color: #333;">ty</span><span class="p">)</span></span>
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<pre style="margin: 0;">+<span id="LC313" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">|>></span> <span class="n" style="color: #333;">xtG</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">ty</span><span class="p">)</span> <span class="n" style="color: #333;">f</span><span class="p">)</span></span>
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<pre style="margin: 0;">+<span id="LC314" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC315" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Below are some client-oriented functions which operate on 'TypeMap'.</span></span>
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<pre style="margin: 0;">+<span id="LC316" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC317" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">TrieMap</span> <span class="kt" style="color: #458; font-weight: 600;">TypeMap</span> <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;">+<span id="LC318" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">type</span> <span class="kt" style="color: #458; font-weight: 600;">Key</span> <span class="kt" style="color: #458; font-weight: 600;">TypeMap</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Type</span></span>
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<pre style="margin: 0;">+<span id="LC319" class="line" lang="haskell"> <span class="n" style="color: #333;">emptyTM</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">TypeMap</span> <span class="n" style="color: #333;">emptyTM</span></span>
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320
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<pre style="margin: 0;">+<span id="LC320" class="line" lang="haskell"> <span class="n" style="color: #333;">lookupTM</span> <span class="n" style="color: #333;">k</span> <span class="n" style="color: #333;">m</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">lkTT</span> <span class="p">(</span><span class="n" style="color: #333;">deBruijnize</span> <span class="n" style="color: #333;">k</span><span class="p">)</span> <span class="n" style="color: #333;">m</span></span>
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321
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<pre style="margin: 0;">+<span id="LC321" class="line" lang="haskell"> <span class="n" style="color: #333;">alterTM</span> <span class="n" style="color: #333;">k</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">m</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">xtTT</span> <span class="p">(</span><span class="n" style="color: #333;">deBruijnize</span> <span class="n" style="color: #333;">k</span><span class="p">)</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">m</span></span>
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322
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<pre style="margin: 0;">+<span id="LC322" class="line" lang="haskell"> <span class="n" style="color: #333;">foldTM</span> <span class="n" style="color: #333;">k</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">TypeMap</span> <span class="n" style="color: #333;">m</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">foldTM</span> <span class="p">(</span><span class="n" style="color: #333;">foldTM</span> <span class="n" style="color: #333;">k</span><span class="p">)</span> <span class="n" style="color: #333;">m</span></span>
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<pre style="margin: 0;">+<span id="LC323" class="line" lang="haskell"> <span class="n" style="color: #333;">mapTM</span> <span class="n" style="color: #333;">f</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">TypeMap</span> <span class="n" style="color: #333;">m</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">TypeMap</span> <span class="p">(</span><span class="n" style="color: #333;">mapTM</span> <span class="p">(</span><span class="n" style="color: #333;">mapTM</span> <span class="n" style="color: #333;">f</span><span class="p">)</span> <span class="n" style="color: #333;">m</span><span class="p">)</span></span>
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<pre style="margin: 0;">+<span id="LC324" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC325" class="line" lang="haskell"><span class="n" style="color: #333;">foldTypeMap</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">(</span><span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">b</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">b</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">b</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TypeMap</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">b</span></span>
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<pre style="margin: 0;">+<span id="LC326" class="line" lang="haskell"><span class="n" style="color: #333;">foldTypeMap</span> <span class="n" style="color: #333;">k</span> <span class="n" style="color: #333;">z</span> <span class="n" style="color: #333;">m</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">foldTM</span> <span class="n" style="color: #333;">k</span> <span class="n" style="color: #333;">m</span> <span class="n" style="color: #333;">z</span></span>
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327
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<pre style="margin: 0;">+<span id="LC327" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC328" class="line" lang="haskell"><span class="n" style="color: #333;">emptyTypeMap</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">TypeMap</span> <span class="n" style="color: #333;">a</span></span>
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<pre style="margin: 0;">+<span id="LC329" class="line" lang="haskell"><span class="n" style="color: #333;">emptyTypeMap</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">emptyTM</span></span>
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<pre style="margin: 0;">+<span id="LC330" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC331" class="line" lang="haskell"><span class="n" style="color: #333;">lookupTypeMap</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">TypeMap</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Type</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Maybe</span> <span class="n" style="color: #333;">a</span></span>
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<pre style="margin: 0;">+<span id="LC332" class="line" lang="haskell"><span class="n" style="color: #333;">lookupTypeMap</span> <span class="n" style="color: #333;">cm</span> <span class="n" style="color: #333;">t</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">lookupTM</span> <span class="n" style="color: #333;">t</span> <span class="n" style="color: #333;">cm</span></span>
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<pre style="margin: 0;">+<span id="LC333" class="line" lang="haskell"></span>
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334
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<pre style="margin: 0;">+<span id="LC334" class="line" lang="haskell"><span class="n" style="color: #333;">extendTypeMap</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">TypeMap</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Type</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TypeMap</span> <span class="n" style="color: #333;">a</span></span>
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335
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<pre style="margin: 0;">+<span id="LC335" class="line" lang="haskell"><span class="n" style="color: #333;">extendTypeMap</span> <span class="n" style="color: #333;">m</span> <span class="n" style="color: #333;">t</span> <span class="n" style="color: #333;">v</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">alterTM</span> <span class="n" style="color: #333;">t</span> <span class="p">(</span><span class="n" style="color: #333;">const</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="n" style="color: #333;">v</span><span class="p">))</span> <span class="n" style="color: #333;">m</span></span>
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<pre style="margin: 0;">+<span id="LC336" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC337" class="line" lang="haskell"><span class="n" style="color: #333;">lookupTypeMapWithScope</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">TypeMap</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">CmEnv</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Type</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Maybe</span> <span class="n" style="color: #333;">a</span></span>
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<pre style="margin: 0;">+<span id="LC338" class="line" lang="haskell"><span class="n" style="color: #333;">lookupTypeMapWithScope</span> <span class="n" style="color: #333;">m</span> <span class="n" style="color: #333;">cm</span> <span class="n" style="color: #333;">t</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">lkTT</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">cm</span> <span class="n" style="color: #333;">t</span><span class="p">)</span> <span class="n" style="color: #333;">m</span></span>
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<pre style="margin: 0;">+<span id="LC339" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC340" class="line" lang="haskell"><span class="cd">-- | Extend a 'TypeMap' with a type in the given context.</span></span>
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<pre style="margin: 0;">+<span id="LC341" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- @extendTypeMapWithScope m (mkDeBruijnContext [a,b,c]) t v@ is equivalent to</span></span>
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<pre style="margin: 0;">+<span id="LC342" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- @extendTypeMap m (forall a b c. t) v@, but allows reuse of the context over</span></span>
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<pre style="margin: 0;">+<span id="LC343" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- multiple insertions.</span></span>
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<pre style="margin: 0;">+<span id="LC344" class="line" lang="haskell"><span class="n" style="color: #333;">extendTypeMapWithScope</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">TypeMap</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">CmEnv</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Type</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TypeMap</span> <span class="n" style="color: #333;">a</span></span>
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<pre style="margin: 0;">+<span id="LC345" class="line" lang="haskell"><span class="n" style="color: #333;">extendTypeMapWithScope</span> <span class="n" style="color: #333;">m</span> <span class="n" style="color: #333;">cm</span> <span class="n" style="color: #333;">t</span> <span class="n" style="color: #333;">v</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">xtTT</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">cm</span> <span class="n" style="color: #333;">t</span><span class="p">)</span> <span class="p">(</span><span class="n" style="color: #333;">const</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="n" style="color: #333;">v</span><span class="p">))</span> <span class="n" style="color: #333;">m</span></span>
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<pre style="margin: 0;">+<span id="LC346" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC347" class="line" lang="haskell"><span class="cd">-- | Construct a deBruijn environment with the given variables in scope.</span></span>
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<pre style="margin: 0;">+<span id="LC348" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- e.g. @mkDeBruijnEnv [a,b,c]@ constructs a context @forall a b c.@</span></span>
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<pre style="margin: 0;">+<span id="LC349" class="line" lang="haskell"><span class="n" style="color: #333;">mkDeBruijnContext</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">Var</span><span class="p">]</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">CmEnv</span></span>
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<pre style="margin: 0;">+<span id="LC350" class="line" lang="haskell"><span class="n" style="color: #333;">mkDeBruijnContext</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">extendCMEs</span> <span class="n" style="color: #333;">emptyCME</span></span>
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<pre style="margin: 0;">+<span id="LC351" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC352" class="line" lang="haskell"><span class="cd">-- | A 'LooseTypeMap' doesn't do a kind-check. Thus, when lookup up (t |> g),</span></span>
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<pre style="margin: 0;">+<span id="LC353" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- you'll find entries inserted under (t), even if (g) is non-reflexive.</span></span>
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<pre style="margin: 0;">+<span id="LC354" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">newtype</span> <span class="kt" style="color: #458; font-weight: 600;">LooseTypeMap</span> <span class="n" style="color: #333;">a</span></span>
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<pre style="margin: 0;">+<span id="LC355" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">LooseTypeMap</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">TypeMapG</span> <span class="n" style="color: #333;">a</span><span class="p">)</span></span>
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<pre style="margin: 0;">+<span id="LC356" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC357" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">TrieMap</span> <span class="kt" style="color: #458; font-weight: 600;">LooseTypeMap</span> <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;">+<span id="LC358" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">type</span> <span class="kt" style="color: #458; font-weight: 600;">Key</span> <span class="kt" style="color: #458; font-weight: 600;">LooseTypeMap</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Type</span></span>
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<pre style="margin: 0;">+<span id="LC359" class="line" lang="haskell"> <span class="n" style="color: #333;">emptyTM</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">LooseTypeMap</span> <span class="n" style="color: #333;">emptyTM</span></span>
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<pre style="margin: 0;">+<span id="LC360" class="line" lang="haskell"> <span class="n" style="color: #333;">lookupTM</span> <span class="n" style="color: #333;">k</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">LooseTypeMap</span> <span class="n" style="color: #333;">m</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">lookupTM</span> <span class="p">(</span><span class="n" style="color: #333;">deBruijnize</span> <span class="n" style="color: #333;">k</span><span class="p">)</span> <span class="n" style="color: #333;">m</span></span>
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<pre style="margin: 0;">+<span id="LC361" class="line" lang="haskell"> <span class="n" style="color: #333;">alterTM</span> <span class="n" style="color: #333;">k</span> <span class="n" style="color: #333;">f</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">LooseTypeMap</span> <span class="n" style="color: #333;">m</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">LooseTypeMap</span> <span class="p">(</span><span class="n" style="color: #333;">alterTM</span> <span class="p">(</span><span class="n" style="color: #333;">deBruijnize</span> <span class="n" style="color: #333;">k</span><span class="p">)</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">m</span><span class="p">)</span></span>
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<pre style="margin: 0;">+<span id="LC362" class="line" lang="haskell"> <span class="n" style="color: #333;">foldTM</span> <span class="n" style="color: #333;">f</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">LooseTypeMap</span> <span class="n" style="color: #333;">m</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">foldTM</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">m</span></span>
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<pre style="margin: 0;">+<span id="LC363" class="line" lang="haskell"> <span class="n" style="color: #333;">mapTM</span> <span class="n" style="color: #333;">f</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">LooseTypeMap</span> <span class="n" style="color: #333;">m</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">LooseTypeMap</span> <span class="p">(</span><span class="n" style="color: #333;">mapTM</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">m</span><span class="p">)</span></span>
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<pre style="margin: 0;">+<span id="LC365" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">{-</span></span>
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<pre style="margin: 0;">+<span id="LC366" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">************************************************************************</span></span>
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<pre style="margin: 0;">+<span id="LC367" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">* *</span></span>
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<pre style="margin: 0;">+<span id="LC368" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;"> Variables</span></span>
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<pre style="margin: 0;">+<span id="LC369" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">* *</span></span>
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<pre style="margin: 0;">+<span id="LC370" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">************************************************************************</span></span>
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<pre style="margin: 0;">+<span id="LC371" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">-}</span></span>
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<pre style="margin: 0;">+<span id="LC373" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">type</span> <span class="kt" style="color: #458; font-weight: 600;">BoundVar</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Int</span> <span class="c1" style="color: #998; font-style: italic;">-- Bound variables are deBruijn numbered</span></span>
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<pre style="margin: 0;">+<span id="LC374" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">type</span> <span class="kt" style="color: #458; font-weight: 600;">BoundVarMap</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">IntMap</span><span class="o" style="font-weight: 600;">.</span><span class="kt" style="color: #458; font-weight: 600;">IntMap</span> <span class="n" style="color: #333;">a</span></span>
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<pre style="margin: 0;">+<span id="LC376" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">data</span> <span class="kt" style="color: #458; font-weight: 600;">CmEnv</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">CME</span> <span class="p">{</span> <span class="n" style="color: #333;">cme_next</span> <span class="o" style="font-weight: 600;">::</span> <span class="o" style="font-weight: 600;">!</span><span class="kt" style="color: #458; font-weight: 600;">BoundVar</span></span>
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<pre style="margin: 0;">+<span id="LC377" class="line" lang="haskell"> <span class="p">,</span> <span class="n" style="color: #333;">cme_env</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">VarEnv</span> <span class="kt" style="color: #458; font-weight: 600;">BoundVar</span> <span class="p">}</span></span>
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<pre style="margin: 0;">+<span id="LC379" class="line" lang="haskell"><span class="n" style="color: #333;">emptyCME</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">CmEnv</span></span>
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<pre style="margin: 0;">+<span id="LC380" class="line" lang="haskell"><span class="n" style="color: #333;">emptyCME</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">CME</span> <span class="p">{</span> <span class="n" style="color: #333;">cme_next</span> <span class="o" style="font-weight: 600;">=</span> <span class="mi" style="color: #099;">0</span><span class="p">,</span> <span class="n" style="color: #333;">cme_env</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">emptyVarEnv</span> <span class="p">}</span></span>
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381
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<pre style="margin: 0;">+<span id="LC381" class="line" lang="haskell"></span>
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382
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<pre style="margin: 0;">+<span id="LC382" class="line" lang="haskell"><span class="n" style="color: #333;">extendCME</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">CmEnv</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Var</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">CmEnv</span></span>
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383
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<pre style="margin: 0;">+<span id="LC383" class="line" lang="haskell"><span class="n" style="color: #333;">extendCME</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CME</span> <span class="p">{</span> <span class="n" style="color: #333;">cme_next</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">bv</span><span class="p">,</span> <span class="n" style="color: #333;">cme_env</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">env</span> <span class="p">})</span> <span class="n" style="color: #333;">v</span></span>
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384
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<pre style="margin: 0;">+<span id="LC384" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">CME</span> <span class="p">{</span> <span class="n" style="color: #333;">cme_next</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">bv</span><span class="o" style="font-weight: 600;">+</span><span class="mi" style="color: #099;">1</span><span class="p">,</span> <span class="n" style="color: #333;">cme_env</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">extendVarEnv</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">v</span> <span class="n" style="color: #333;">bv</span> <span class="p">}</span></span>
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385
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<pre style="margin: 0;">+<span id="LC385" class="line" lang="haskell"></span>
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386
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<pre style="margin: 0;">+<span id="LC386" class="line" lang="haskell"><span class="n" style="color: #333;">extendCMEs</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">CmEnv</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">Var</span><span class="p">]</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">CmEnv</span></span>
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387
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<pre style="margin: 0;">+<span id="LC387" class="line" lang="haskell"><span class="n" style="color: #333;">extendCMEs</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">vs</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">foldl'</span> <span class="n" style="color: #333;">extendCME</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">vs</span></span>
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388
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<pre style="margin: 0;">+<span id="LC388" class="line" lang="haskell"></span>
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389
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<pre style="margin: 0;">+<span id="LC389" class="line" lang="haskell"><span class="n" style="color: #333;">lookupCME</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">CmEnv</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Var</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Maybe</span> <span class="kt" style="color: #458; font-weight: 600;">BoundVar</span></span>
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390
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<pre style="margin: 0;">+<span id="LC390" class="line" lang="haskell"><span class="n" style="color: #333;">lookupCME</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CME</span> <span class="p">{</span> <span class="n" style="color: #333;">cme_env</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">env</span> <span class="p">})</span> <span class="n" style="color: #333;">v</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">lookupVarEnv</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">v</span></span>
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391
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<pre style="margin: 0;">+<span id="LC391" class="line" lang="haskell"></span>
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392
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<pre style="margin: 0;">+<span id="LC392" class="line" lang="haskell"><span class="cd">-- | @DeBruijn a@ represents @a@ modulo alpha-renaming. This is achieved</span></span>
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393
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<pre style="margin: 0;">+<span id="LC393" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- by equipping the value with a 'CmEnv', which tracks an on-the-fly deBruijn</span></span>
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394
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<pre style="margin: 0;">+<span id="LC394" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- numbering. This allows us to define an 'Eq' instance for @DeBruijn a@, even</span></span>
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395
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<pre style="margin: 0;">+<span id="LC395" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- if this was not (easily) possible for @a@. Note: we purposely don't</span></span>
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396
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<pre style="margin: 0;">+<span id="LC396" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- export the constructor. Make a helper function if you find yourself</span></span>
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397
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<pre style="margin: 0;">+<span id="LC397" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- needing it.</span></span>
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398
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<pre style="margin: 0;">+<span id="LC398" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">data</span> <span class="kt" style="color: #458; font-weight: 600;">DeBruijn</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="kt" style="color: #458; font-weight: 600;">CmEnv</span> <span class="n" style="color: #333;">a</span></span>
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399
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<pre style="margin: 0;">+<span id="LC399" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC400" class="line" lang="haskell"><span class="cd">-- | Synthesizes a @DeBruijn a@ from an @a@, by assuming that there are no</span></span>
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<pre style="margin: 0;">+<span id="LC401" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- bound binders (an empty 'CmEnv'). This is usually what you want if there</span></span>
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<pre style="margin: 0;">+<span id="LC402" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- isn't already a 'CmEnv' in scope.</span></span>
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<pre style="margin: 0;">+<span id="LC403" class="line" lang="haskell"><span class="n" style="color: #333;">deBruijnize</span> <span class="o" style="font-weight: 600;">::</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">DeBruijn</span> <span class="n" style="color: #333;">a</span></span>
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<pre style="margin: 0;">+<span id="LC404" class="line" lang="haskell"><span class="n" style="color: #333;">deBruijnize</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">emptyCME</span></span>
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405
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<pre style="margin: 0;">+<span id="LC405" class="line" lang="haskell"></span>
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406
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<pre style="margin: 0;">+<span id="LC406" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">Eq</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">DeBruijn</span> <span class="n" style="color: #333;">a</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=></span> <span class="kt" style="color: #458; font-weight: 600;">Eq</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">DeBruijn</span> <span class="p">[</span><span class="n" style="color: #333;">a</span><span class="p">])</span> <span class="kr" style="font-weight: 600;">where</span></span>
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407
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<pre style="margin: 0;">+<span id="LC407" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="kr" style="font-weight: 600;">_</span> <span class="kt" style="color: #458; font-weight: 600;">[]</span> <span class="o" style="font-weight: 600;">==</span> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="kr" style="font-weight: 600;">_</span> <span class="kt" style="color: #458; font-weight: 600;">[]</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">True</span></span>
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408
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<pre style="margin: 0;">+<span id="LC408" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="p">(</span><span class="n" style="color: #333;">x</span><span class="o" style="font-weight: 600;">:</span><span class="n" style="color: #333;">xs</span><span class="p">)</span> <span class="o" style="font-weight: 600;">==</span> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env'</span> <span class="p">(</span><span class="n" style="color: #333;">x'</span><span class="o" style="font-weight: 600;">:</span><span class="n" style="color: #333;">xs'</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">x</span> <span class="o" style="font-weight: 600;">==</span> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env'</span> <span class="n" style="color: #333;">x'</span> <span class="o" style="font-weight: 600;">&&</span></span>
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409
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<pre style="margin: 0;">+<span id="LC409" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">xs</span> <span class="o" style="font-weight: 600;">==</span> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env'</span> <span class="n" style="color: #333;">xs'</span></span>
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410
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<pre style="margin: 0;">+<span id="LC410" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">==</span> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">False</span></span>
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411
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<pre style="margin: 0;">+<span id="LC411" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC412" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">Eq</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">DeBruijn</span> <span class="n" style="color: #333;">a</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=></span> <span class="kt" style="color: #458; font-weight: 600;">Eq</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">DeBruijn</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Maybe</span> <span class="n" style="color: #333;">a</span><span class="p">))</span> <span class="kr" style="font-weight: 600;">where</span></span>
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413
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<pre style="margin: 0;">+<span id="LC413" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="kr" style="font-weight: 600;">_</span> <span class="kt" style="color: #458; font-weight: 600;">Nothing</span> <span class="o" style="font-weight: 600;">==</span> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="kr" style="font-weight: 600;">_</span> <span class="kt" style="color: #458; font-weight: 600;">Nothing</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">True</span></span>
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414
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<pre style="margin: 0;">+<span id="LC414" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="n" style="color: #333;">x</span><span class="p">)</span> <span class="o" style="font-weight: 600;">==</span> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env'</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="n" style="color: #333;">x'</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">x</span> <span class="o" style="font-weight: 600;">==</span> <span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env'</span> <span class="n" style="color: #333;">x'</span></span>
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415
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<pre style="margin: 0;">+<span id="LC415" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">==</span> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">False</span></span>
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<pre style="margin: 0;">+<span id="LC416" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC417" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--------- Variable binders -------------</span></span>
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<pre style="margin: 0;">+<span id="LC418" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC419" class="line" lang="haskell"><span class="cd">-- | A 'BndrMap' is a 'TypeMapG' which allows us to distinguish between</span></span>
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<pre style="margin: 0;">+<span id="LC420" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- binding forms whose binders have different types. For example,</span></span>
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<pre style="margin: 0;">+<span id="LC421" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- if we are doing a 'TrieMap' lookup on @\(x :: Int) -> ()@, we should</span></span>
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<pre style="margin: 0;">+<span id="LC422" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- not pick up an entry in the 'TrieMap' for @\(x :: Bool) -> ()@:</span></span>
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<pre style="margin: 0;">+<span id="LC423" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- we can disambiguate this by matching on the type (or kind, if this</span></span>
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<pre style="margin: 0;">+<span id="LC424" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- a binder in a type) of the binder.</span></span>
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425
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<pre style="margin: 0;">+<span id="LC425" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--</span></span>
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<pre style="margin: 0;">+<span id="LC426" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- We also need to do the same for multiplicity! Which, since multiplicities are</span></span>
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<pre style="margin: 0;">+<span id="LC427" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- encoded simply as a 'Type', amounts to have a Trie for a pair of types. Tries</span></span>
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<pre style="margin: 0;">+<span id="LC428" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- of pairs are composition.</span></span>
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<pre style="margin: 0;">+<span id="LC429" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">data</span> <span class="kt" style="color: #458; font-weight: 600;">BndrMap</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">BndrMap</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">TypeMapG</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">MaybeMap</span> <span class="kt" style="color: #458; font-weight: 600;">TypeMapG</span> <span class="n" style="color: #333;">a</span><span class="p">))</span></span>
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<pre style="margin: 0;">+<span id="LC430" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC431" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">TrieMap</span> <span class="kt" style="color: #458; font-weight: 600;">BndrMap</span> <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;">+<span id="LC432" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">type</span> <span class="kt" style="color: #458; font-weight: 600;">Key</span> <span class="kt" style="color: #458; font-weight: 600;">BndrMap</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Var</span></span>
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<pre style="margin: 0;">+<span id="LC433" class="line" lang="haskell"> <span class="n" style="color: #333;">emptyTM</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">BndrMap</span> <span class="n" style="color: #333;">emptyTM</span></span>
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<pre style="margin: 0;">+<span id="LC434" class="line" lang="haskell"> <span class="n" style="color: #333;">lookupTM</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">lkBndr</span> <span class="n" style="color: #333;">emptyCME</span></span>
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<pre style="margin: 0;">+<span id="LC435" class="line" lang="haskell"> <span class="n" style="color: #333;">alterTM</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">xtBndr</span> <span class="n" style="color: #333;">emptyCME</span></span>
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<pre style="margin: 0;">+<span id="LC436" class="line" lang="haskell"> <span class="n" style="color: #333;">foldTM</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">fdBndrMap</span></span>
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<pre style="margin: 0;">+<span id="LC437" class="line" lang="haskell"> <span class="n" style="color: #333;">mapTM</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mapBndrMap</span></span>
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438
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<pre style="margin: 0;">+<span id="LC438" class="line" lang="haskell"></span>
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439
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<pre style="margin: 0;">+<span id="LC439" class="line" lang="haskell"><span class="n" style="color: #333;">mapBndrMap</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">(</span><span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">b</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">BndrMap</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">BndrMap</span> <span class="n" style="color: #333;">b</span></span>
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440
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<pre style="margin: 0;">+<span id="LC440" class="line" lang="haskell"><span class="n" style="color: #333;">mapBndrMap</span> <span class="n" style="color: #333;">f</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">BndrMap</span> <span class="n" style="color: #333;">tm</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">BndrMap</span> <span class="p">(</span><span class="n" style="color: #333;">mapTM</span> <span class="p">(</span><span class="n" style="color: #333;">mapTM</span> <span class="n" style="color: #333;">f</span><span class="p">)</span> <span class="n" style="color: #333;">tm</span><span class="p">)</span></span>
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<pre style="margin: 0;">+<span id="LC442" class="line" lang="haskell"><span class="n" style="color: #333;">fdBndrMap</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">(</span><span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">b</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">b</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">BndrMap</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">b</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">b</span></span>
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<pre style="margin: 0;">+<span id="LC443" class="line" lang="haskell"><span class="n" style="color: #333;">fdBndrMap</span> <span class="n" style="color: #333;">f</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">BndrMap</span> <span class="n" style="color: #333;">tm</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">foldTM</span> <span class="p">(</span><span class="n" style="color: #333;">foldTM</span> <span class="n" style="color: #333;">f</span><span class="p">)</span> <span class="n" style="color: #333;">tm</span></span>
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<pre style="margin: 0;">+<span id="LC446" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- We need to use 'BndrMap' for 'Coercion', 'CoreExpr' AND 'Type', since all</span></span>
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<pre style="margin: 0;">+<span id="LC447" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- of these data types have binding forms.</span></span>
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<pre style="margin: 0;">+<span id="LC449" class="line" lang="haskell"><span class="n" style="color: #333;">lkBndr</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">CmEnv</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Var</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">BndrMap</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Maybe</span> <span class="n" style="color: #333;">a</span></span>
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<pre style="margin: 0;">+<span id="LC450" class="line" lang="haskell"><span class="n" style="color: #333;">lkBndr</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">v</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">BndrMap</span> <span class="n" style="color: #333;">tymap</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span></span>
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<pre style="margin: 0;">+<span id="LC451" class="line" lang="haskell"> <span class="n" style="color: #333;">multmap</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">lkG</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="p">(</span><span class="n" style="color: #333;">varType</span> <span class="n" style="color: #333;">v</span><span class="p">))</span> <span class="n" style="color: #333;">tymap</span></span>
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<pre style="margin: 0;">+<span id="LC452" class="line" lang="haskell"> <span class="n" style="color: #333;">lookupTM</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="o" style="font-weight: 600;"><$></span> <span class="n" style="color: #333;">varMultMaybe</span> <span class="n" style="color: #333;">v</span><span class="p">)</span> <span class="n" style="color: #333;">multmap</span></span>
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<pre style="margin: 0;">+<span id="LC455" class="line" lang="haskell"><span class="n" style="color: #333;">xtBndr</span> <span class="o" style="font-weight: 600;">::</span> <span class="n" style="color: #333;">forall</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">.</span> <span class="kt" style="color: #458; font-weight: 600;">CmEnv</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Var</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">XT</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">BndrMap</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">BndrMap</span> <span class="n" style="color: #333;">a</span></span>
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<pre style="margin: 0;">+<span id="LC456" class="line" lang="haskell"><span class="n" style="color: #333;">xtBndr</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">v</span> <span class="n" style="color: #333;">xt</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">BndrMap</span> <span class="n" style="color: #333;">tymap</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span></span>
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<pre style="margin: 0;">+<span id="LC457" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">BndrMap</span> <span class="p">(</span><span class="n" style="color: #333;">tymap</span> <span class="o" style="font-weight: 600;">|></span> <span class="n" style="color: #333;">xtG</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="p">(</span><span class="n" style="color: #333;">varType</span> <span class="n" style="color: #333;">v</span><span class="p">))</span> <span class="o" style="font-weight: 600;">|>></span> <span class="p">(</span><span class="n" style="color: #333;">alterTM</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">D</span> <span class="n" style="color: #333;">env</span> <span class="o" style="font-weight: 600;"><$></span> <span class="n" style="color: #333;">varMultMaybe</span> <span class="n" style="color: #333;">v</span><span class="p">)</span> <span class="n" style="color: #333;">xt</span><span class="p">))</span></span>
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<pre style="margin: 0;">+<span id="LC460" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--------- Variable occurrence -------------</span></span>
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<pre style="margin: 0;">+<span id="LC461" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">data</span> <span class="kt" style="color: #458; font-weight: 600;">VarMap</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">VM</span> <span class="p">{</span> <span class="n" style="color: #333;">vm_bvar</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">BoundVarMap</span> <span class="n" style="color: #333;">a</span> <span class="c1" style="color: #998; font-style: italic;">-- Bound variable</span></span>
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<pre style="margin: 0;">+<span id="LC462" class="line" lang="haskell"> <span class="p">,</span> <span class="n" style="color: #333;">vm_fvar</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">DVarEnv</span> <span class="n" style="color: #333;">a</span> <span class="p">}</span> <span class="c1" style="color: #998; font-style: italic;">-- Free variable</span></span>
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<pre style="margin: 0;">+<span id="LC463" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC464" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">TrieMap</span> <span class="kt" style="color: #458; font-weight: 600;">VarMap</span> <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;">+<span id="LC465" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">type</span> <span class="kt" style="color: #458; font-weight: 600;">Key</span> <span class="kt" style="color: #458; font-weight: 600;">VarMap</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Var</span></span>
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<pre style="margin: 0;">+<span id="LC466" class="line" lang="haskell"> <span class="n" style="color: #333;">emptyTM</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">VM</span> <span class="p">{</span> <span class="n" style="color: #333;">vm_bvar</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">IntMap</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">empty</span><span class="p">,</span> <span class="n" style="color: #333;">vm_fvar</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">emptyDVarEnv</span> <span class="p">}</span></span>
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<pre style="margin: 0;">+<span id="LC467" class="line" lang="haskell"> <span class="n" style="color: #333;">lookupTM</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">lkVar</span> <span class="n" style="color: #333;">emptyCME</span></span>
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<pre style="margin: 0;">+<span id="LC468" class="line" lang="haskell"> <span class="n" style="color: #333;">alterTM</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">xtVar</span> <span class="n" style="color: #333;">emptyCME</span></span>
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<pre style="margin: 0;">+<span id="LC469" class="line" lang="haskell"> <span class="n" style="color: #333;">foldTM</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">fdVar</span></span>
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<pre style="margin: 0;">+<span id="LC470" class="line" lang="haskell"> <span class="n" style="color: #333;">mapTM</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mapVar</span></span>
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<pre style="margin: 0;">+<span id="LC471" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC472" class="line" lang="haskell"><span class="n" style="color: #333;">mapVar</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">(</span><span class="n" style="color: #333;">a</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">b</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">VarMap</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">VarMap</span> <span class="n" style="color: #333;">b</span></span>
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<pre style="margin: 0;">+<span id="LC473" class="line" lang="haskell"><span class="n" style="color: #333;">mapVar</span> <span class="n" style="color: #333;">f</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">VM</span> <span class="p">{</span> <span class="n" style="color: #333;">vm_bvar</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">bv</span><span class="p">,</span> <span class="n" style="color: #333;">vm_fvar</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">fv</span> <span class="p">})</span></span>
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<pre style="margin: 0;">+<span id="LC474" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">VM</span> <span class="p">{</span> <span class="n" style="color: #333;">vm_bvar</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mapTM</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">bv</span><span class="p">,</span> <span class="n" style="color: #333;">vm_fvar</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mapTM</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">fv</span> <span class="p">}</span></span>
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<pre style="margin: 0;">+<span id="LC475" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC476" class="line" lang="haskell"><span class="n" style="color: #333;">lkVar</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">CmEnv</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Var</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">VarMap</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Maybe</span> <span class="n" style="color: #333;">a</span></span>
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<pre style="margin: 0;">+<span id="LC477" class="line" lang="haskell"><span class="n" style="color: #333;">lkVar</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">v</span></span>
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<pre style="margin: 0;">+<span id="LC478" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="n" style="color: #333;">bv</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">lookupCME</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">v</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">vm_bvar</span> <span class="o" style="font-weight: 600;">>.></span> <span class="n" style="color: #333;">lookupTM</span> <span class="n" style="color: #333;">bv</span></span>
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<pre style="margin: 0;">+<span id="LC479" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">otherwise</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">vm_fvar</span> <span class="o" style="font-weight: 600;">>.></span> <span class="n" style="color: #333;">lkDFreeVar</span> <span class="n" style="color: #333;">v</span></span>
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<pre style="margin: 0;">+<span id="LC480" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC481" class="line" lang="haskell"><span class="n" style="color: #333;">xtVar</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">CmEnv</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Var</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">XT</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">VarMap</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">VarMap</span> <span class="n" style="color: #333;">a</span></span>
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482
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<pre style="margin: 0;">+<span id="LC482" class="line" lang="haskell"><span class="n" style="color: #333;">xtVar</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">v</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">m</span></span>
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483
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<pre style="margin: 0;">+<span id="LC483" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="n" style="color: #333;">bv</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">lookupCME</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">v</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">m</span> <span class="p">{</span> <span class="n" style="color: #333;">vm_bvar</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">vm_bvar</span> <span class="n" style="color: #333;">m</span> <span class="o" style="font-weight: 600;">|></span> <span class="n" style="color: #333;">alterTM</span> <span class="n" style="color: #333;">bv</span> <span class="n" style="color: #333;">f</span> <span class="p">}</span></span>
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484
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<pre style="margin: 0;">+<span id="LC484" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">otherwise</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">m</span> <span class="p">{</span> <span class="n" style="color: #333;">vm_fvar</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">vm_fvar</span> <span class="n" style="color: #333;">m</span> <span class="o" style="font-weight: 600;">|></span> <span class="n" style="color: #333;">xtDFreeVar</span> <span class="n" style="color: #333;">v</span> <span class="n" style="color: #333;">f</span> <span class="p">}</span></span>
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485
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<pre style="margin: 0;">+<span id="LC485" class="line" lang="haskell"></span>
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486
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<pre style="margin: 0;">+<span id="LC486" class="line" lang="haskell"><span class="n" style="color: #333;">fdVar</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">(</span><span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">b</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">b</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">VarMap</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">b</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">b</span></span>
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487
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<pre style="margin: 0;">+<span id="LC487" class="line" lang="haskell"><span class="n" style="color: #333;">fdVar</span> <span class="n" style="color: #333;">k</span> <span class="n" style="color: #333;">m</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">foldTM</span> <span class="n" style="color: #333;">k</span> <span class="p">(</span><span class="n" style="color: #333;">vm_bvar</span> <span class="n" style="color: #333;">m</span><span class="p">)</span></span>
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488
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<pre style="margin: 0;">+<span id="LC488" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">.</span> <span class="n" style="color: #333;">foldTM</span> <span class="n" style="color: #333;">k</span> <span class="p">(</span><span class="n" style="color: #333;">vm_fvar</span> <span class="n" style="color: #333;">m</span><span class="p">)</span></span>
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489
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<pre style="margin: 0;">+<span id="LC489" class="line" lang="haskell"></span>
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490
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<pre style="margin: 0;">+<span id="LC490" class="line" lang="haskell"><span class="n" style="color: #333;">lkDFreeVar</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Var</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">DVarEnv</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Maybe</span> <span class="n" style="color: #333;">a</span></span>
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491
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<pre style="margin: 0;">+<span id="LC491" class="line" lang="haskell"><span class="n" style="color: #333;">lkDFreeVar</span> <span class="n" style="color: #333;">var</span> <span class="n" style="color: #333;">env</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">lookupDVarEnv</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">var</span></span>
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492
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<pre style="margin: 0;">+<span id="LC492" class="line" lang="haskell"></span>
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493
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<pre style="margin: 0;">+<span id="LC493" class="line" lang="haskell"><span class="n" style="color: #333;">xtDFreeVar</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Var</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">XT</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">DVarEnv</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">DVarEnv</span> <span class="n" style="color: #333;">a</span></span>
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494
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<pre style="margin: 0;">+<span id="LC494" class="line" lang="haskell"><span class="n" style="color: #333;">xtDFreeVar</span> <span class="n" style="color: #333;">v</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">m</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">alterDVarEnv</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">m</span> <span class="n" style="color: #333;">v</span></span>
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495
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<pre style="margin: 0;">+<span id="LC495" class="line" lang="haskell"></span>
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496
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<pre style="margin: 0;">+<span id="LC496" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-------------------------------------------------</span></span>
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497
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<pre style="margin: 0;">+<span id="LC497" class="line" lang="haskell"><span class="n" style="color: #333;">lkDNamed</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">NamedThing</span> <span class="n" style="color: #333;">n</span> <span class="o" style="font-weight: 600;">=></span> <span class="n" style="color: #333;">n</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">DNameEnv</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Maybe</span> <span class="n" style="color: #333;">a</span></span>
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<pre style="margin: 0;">+<span id="LC498" class="line" lang="haskell"><span class="n" style="color: #333;">lkDNamed</span> <span class="n" style="color: #333;">n</span> <span class="n" style="color: #333;">env</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">lookupDNameEnv</span> <span class="n" style="color: #333;">env</span> <span class="p">(</span><span class="n" style="color: #333;">getName</span> <span class="n" style="color: #333;">n</span><span class="p">)</span></span>
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<pre style="margin: 0;">+<span id="LC499" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC500" class="line" lang="haskell"><span class="n" style="color: #333;">xtDNamed</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">NamedThing</span> <span class="n" style="color: #333;">n</span> <span class="o" style="font-weight: 600;">=></span> <span class="n" style="color: #333;">n</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">XT</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">DNameEnv</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">DNameEnv</span> <span class="n" style="color: #333;">a</span></span>
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<pre style="margin: 0;">+<span id="LC501" class="line" lang="haskell"><span class="n" style="color: #333;">xtDNamed</span> <span class="n" style="color: #333;">tc</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">m</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">alterDNameEnv</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">m</span> <span class="p">(</span><span class="n" style="color: #333;">getName</span> <span class="n" style="color: #333;">tc</span><span class="p">)</span></span></pre>
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<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/25f50147f3472bf8a098eff1a9dff642b812e36c#89a2e0e1a3095c7a42b10f2819049908908080e8"><strong>compiler/GHC/Core/Unify.hs</strong></a>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -41,7 +41,7 @@ import GHC.Core.TyCon</td>
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<pre style="margin: 0;"> <span id="LC41" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Core.TyCo.Rep</span></span>
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<pre style="margin: 0;"> <span id="LC42" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Core.TyCo.FVs</span> <span class="p">(</span> <span class="nf" style="color: #900; font-weight: 600;">tyCoVarsOfCoList</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">tyCoFVsOfTypes</span> <span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC43" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Core.TyCo.Subst</span> <span class="p">(</span> <span class="nf" style="color: #900; font-weight: 600;">mkTvSubst</span> <span class="p">)</span></span>
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<pre style="margin: 0;">-<span id="LC44" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Core.Map</span></span>
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<pre style="margin: 0;">+<span id="LC44" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Core.Map<span class="idiff left right">.Type</span></span></span>
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<pre style="margin: 0;"> <span id="LC45" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Utils.FV</span><span class="p">(</span> <span class="kt" style="color: #458; font-weight: 600;">FV</span><span class="p">,</span> <span class="n" style="color: #333;">fvVarSet</span><span class="p">,</span> <span class="n" style="color: #333;">fvVarList</span> <span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC46" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Utils.Misc</span></span>
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<pre style="margin: 0;"> <span id="LC47" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Data.Pair</span></span>
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<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/25f50147f3472bf8a098eff1a9dff642b812e36c#1cf39038e57acc2a80cb5fb3fef9733e8e37b8fb"><strong>compiler/GHC/Iface/Ext/Utils.hs</strong></a>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -8,7 +8,7 @@ module GHC.Iface.Ext.Utils where</td>
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<pre style="margin: 0;"> <span id="LC8" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC9" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Prelude</span></span>
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<pre style="margin: 0;"> <span id="LC10" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC11" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Core.Map</span></span>
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<pre style="margin: 0;">+<span id="LC11" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Core.Map<span class="idiff left right">.Type</span></span></span>
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<pre style="margin: 0;"> <span id="LC12" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Driver.Session</span> <span class="p">(</span> <span class="kt" style="color: #458; font-weight: 600;">DynFlags</span> <span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC13" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Driver.Ppr</span></span>
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<pre style="margin: 0;"> <span id="LC14" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Data.FastString</span> <span class="p">(</span> <span class="kt" style="color: #458; font-weight: 600;">FastString</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">mkFastString</span> <span class="p">)</span></span>
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<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/25f50147f3472bf8a098eff1a9dff642b812e36c#90a56cf7f130d66194a6a61cb5f372eb339ab111"><strong>compiler/GHC/Stg/CSE.hs</strong></a>
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<td class="diff-line-num unfold js-unfold new_line" data-linenumber="103" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -103,6 +103,7 @@ import GHC.Core (AltCon(..))</td>
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103
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<pre style="margin: 0;"> <span id="LC103" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">Data.List</span> <span class="p">(</span><span class="nf" style="color: #900; font-weight: 600;">mapAccumL</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC104" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">Data.Maybe</span> <span class="p">(</span><span class="nf" style="color: #900; font-weight: 600;">fromMaybe</span><span class="p">)</span></span>
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105
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<pre style="margin: 0;"> <span id="LC105" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Core.Map</span></span>
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<pre style="margin: 0;">+<span id="LC106" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Data.TrieMap</span></span>
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106
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107
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<pre style="margin: 0;"> <span id="LC107" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Types.Name.Env</span></span>
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107
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108
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<pre style="margin: 0;"> <span id="LC108" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">Control.Monad</span><span class="p">(</span> <span class="p">(</span><span class="o" style="font-weight: 600;">>=></span><span class="p">)</span> <span class="p">)</span></span>
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108
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109
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<pre style="margin: 0;"> <span id="LC109" class="line" lang="haskell"></span>
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<li id="ad440013ca2a3a7accc3edc7f7807446b7b079c2">
<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/25f50147f3472bf8a098eff1a9dff642b812e36c#ad440013ca2a3a7accc3edc7f7807446b7b079c2"><strong>compiler/GHC/Tc/Instance/Typeable.hs</strong></a>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -39,7 +39,7 @@ import GHC.Hs</td>
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39
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<pre style="margin: 0;"> <span id="LC39" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Driver.Session</span></span>
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<pre style="margin: 0;"> <span id="LC40" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Data.Bag</span></span>
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<pre style="margin: 0;"> <span id="LC41" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Types.Var</span> <span class="p">(</span> <span class="kt" style="color: #458; font-weight: 600;">VarBndr</span><span class="p">(</span><span class="o" style="font-weight: 600;">..</span><span class="p">)</span> <span class="p">)</span></span>
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<pre style="margin: 0;">-<span id="LC42" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Core.Map</span></span>
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<pre style="margin: 0;">+<span id="LC42" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Core.Map<span class="idiff left right">.Type</span></span></span>
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43
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<pre style="margin: 0;"> <span id="LC43" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Settings.Constants</span></span>
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<pre style="margin: 0;"> <span id="LC44" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Utils.Fingerprint</span><span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Fingerprint</span><span class="p">(</span><span class="o" style="font-weight: 600;">..</span><span class="p">),</span> <span class="n" style="color: #333;">fingerprintString</span><span class="p">,</span> <span class="n" style="color: #333;">fingerprintFingerprints</span><span class="p">)</span></span>
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45
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<pre style="margin: 0;"> <span id="LC45" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Utils.Outputable</span></span>
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<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/25f50147f3472bf8a098eff1a9dff642b812e36c#0c6b585a8a21f8340a85ca2cef89c4b1bf5a8953"><strong>compiler/GHC/Tc/Solver/Monad.hs</strong></a>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -174,7 +174,9 @@ import GHC.Types.Unique</td>
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<pre style="margin: 0;"> <span id="LC174" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Types.Unique.DFM</span></span>
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<pre style="margin: 0;"> <span id="LC175" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Data.Maybe</span></span>
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<pre style="margin: 0;"> <span id="LC176" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC177" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Core.Map</span></span>
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177
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<pre style="margin: 0;">+<span id="LC177" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Core.Map.Type</span></span>
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178
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<pre style="margin: 0;">+<span id="LC178" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Data.TrieMap</span></span>
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179
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<pre style="margin: 0;">+<span id="LC179" class="line" lang="haskell"></span>
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178
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180
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<pre style="margin: 0;"> <span id="LC180" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">Control.Monad</span></span>
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179
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181
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<pre style="margin: 0;"> <span id="LC181" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Utils.Monad</span></span>
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180
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182
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<pre style="margin: 0;"> <span id="LC182" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">Data.IORef</span></span>
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<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/25f50147f3472bf8a098eff1a9dff642b812e36c#0f33fd88c617246c7f89c4477d2d1d24f942df23"><strong>compiler/ghc.cabal.in</strong></a>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="303" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -303,6 +303,7 @@ Library</td>
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<pre style="margin: 0;"> <span id="LC303" class="line" lang="plaintext"> GHC.Core.Unfold.Make</span>
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<pre style="margin: 0;"> <span id="LC304" class="line" lang="plaintext"> GHC.Core.Utils</span>
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<pre style="margin: 0;"> <span id="LC305" class="line" lang="plaintext"> GHC.Core.Map</span>
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<pre style="margin: 0;">+<span id="LC306" class="line" lang="plaintext"> GHC.Core.Map.Type</span>
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<pre style="margin: 0;"> <span id="LC307" class="line" lang="plaintext"> GHC.Core.Seq</span>
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<pre style="margin: 0;"> <span id="LC308" class="line" lang="plaintext"> GHC.Core.Stats</span>
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<pre style="margin: 0;"> <span id="LC309" class="line" lang="plaintext"> GHC.Core.Make</span>
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