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ghc-case-insensitive-devel-0.2.0.2-2.fc14.x86_64.rpm

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<pre><a name="line-1"></a><span class='hs-comment'>{-# LANGUAGE NoImplicitPrelude
<a name="line-2"></a>           , UnicodeSyntax
<a name="line-3"></a>           , TypeSynonymInstances
<a name="line-4"></a>           , DeriveDataTypeable
<a name="line-5"></a>           , FlexibleInstances
<a name="line-6"></a>  #-}</span>
<a name="line-7"></a>
<a name="line-8"></a><span class='hs-comment'>-----------------------------------------------------------------------------</span>
<a name="line-9"></a><span class='hs-comment'>-- |</span>
<a name="line-10"></a><span class='hs-comment'>-- Module      :  Data.CaseInsensitive</span>
<a name="line-11"></a><span class='hs-comment'>-- Copyright   :  (c) 2011 Bas van Dijk</span>
<a name="line-12"></a><span class='hs-comment'>-- License     :  BSD-style (see the file LICENSE)</span>
<a name="line-13"></a><span class='hs-comment'>-- Maintainer  :  Bas van Dijk &lt;v.dijk.bas@gmail.com&gt;</span>
<a name="line-14"></a><span class='hs-comment'>--</span>
<a name="line-15"></a><span class='hs-comment'>-- This module is intended to be imported qualified. May I suggest:</span>
<a name="line-16"></a><span class='hs-comment'>--</span>
<a name="line-17"></a><span class='hs-comment'>-- @</span>
<a name="line-18"></a><span class='hs-comment'>-- import           Data.CaseInsensitive  ( CI )</span>
<a name="line-19"></a><span class='hs-comment'>-- import qualified Data.CaseInsensitive as CI</span>
<a name="line-20"></a><span class='hs-comment'>-- @</span>
<a name="line-21"></a><span class='hs-comment'>--</span>
<a name="line-22"></a><span class='hs-comment'>-----------------------------------------------------------------------------</span>
<a name="line-23"></a>
<a name="line-24"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>CaseInsensitive</span> <span class='hs-layout'>(</span> <span class='hs-conid'>CI</span>
<a name="line-25"></a>                            <span class='hs-layout'>,</span> <span class='hs-varid'>mk</span>
<a name="line-26"></a>                            <span class='hs-layout'>,</span> <span class='hs-varid'>original</span>
<a name="line-27"></a>                            <span class='hs-layout'>,</span> <span class='hs-varid'>foldedCase</span>
<a name="line-28"></a>                            <span class='hs-layout'>,</span> <span class='hs-varid'>map</span>
<a name="line-29"></a>                            <span class='hs-layout'>,</span> <span class='hs-conid'>FoldCase</span><span class='hs-layout'>(</span><span class='hs-varid'>foldCase</span><span class='hs-layout'>)</span>
<a name="line-30"></a>                            <span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-31"></a>
<a name="line-32"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span>
<a name="line-33"></a><span class='hs-comment'>-- Imports</span>
<a name="line-34"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span>
<a name="line-35"></a>
<a name="line-36"></a><span class='hs-comment'>-- from base:</span>
<a name="line-37"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Char</span>     <span class='hs-layout'>(</span> <span class='hs-varid'>toLower</span> <span class='hs-layout'>)</span>
<a name="line-38"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Eq</span>       <span class='hs-layout'>(</span> <span class='hs-conid'>Eq</span><span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-varop'>==</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span>
<a name="line-39"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Ord</span>      <span class='hs-layout'>(</span> <span class='hs-conid'>Ord</span><span class='hs-layout'>(</span><span class='hs-varid'>compare</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span>
<a name="line-40"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Function</span> <span class='hs-layout'>(</span> <span class='hs-varid'>on</span> <span class='hs-layout'>)</span>
<a name="line-41"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Monoid</span>   <span class='hs-layout'>(</span> <span class='hs-conid'>Monoid</span><span class='hs-layout'>(</span><span class='hs-varid'>mempty</span><span class='hs-layout'>,</span> <span class='hs-varid'>mappend</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span>
<a name="line-42"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>String</span>   <span class='hs-layout'>(</span> <span class='hs-conid'>IsString</span><span class='hs-layout'>(</span><span class='hs-varid'>fromString</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span>
<a name="line-43"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Typeable</span> <span class='hs-layout'>(</span> <span class='hs-conid'>Typeable</span> <span class='hs-layout'>)</span>
<a name="line-44"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Char</span>     <span class='hs-layout'>(</span> <span class='hs-conid'>Char</span> <span class='hs-layout'>)</span>
<a name="line-45"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Prelude</span>       <span class='hs-layout'>(</span> <span class='hs-conid'>String</span><span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-varop'>.</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-varid'>fmap</span> <span class='hs-layout'>)</span>
<a name="line-46"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Text</span><span class='hs-varop'>.</span><span class='hs-conid'>Read</span>     <span class='hs-layout'>(</span> <span class='hs-conid'>Read</span><span class='hs-layout'>(</span><span class='hs-varid'>readPrec</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span>
<a name="line-47"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Text</span><span class='hs-varop'>.</span><span class='hs-conid'>Show</span>     <span class='hs-layout'>(</span> <span class='hs-conid'>Show</span><span class='hs-layout'>(</span><span class='hs-varid'>showsPrec</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-conid'>ShowS</span> <span class='hs-layout'>)</span>
<a name="line-48"></a><span class='hs-keyword'>import</span> <span class='hs-keyword'>qualified</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>List</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>L</span> <span class='hs-layout'>(</span> <span class='hs-varid'>map</span> <span class='hs-layout'>)</span>
<a name="line-49"></a>
<a name="line-50"></a><span class='hs-comment'>-- from bytestring:</span>
<a name="line-51"></a><span class='hs-keyword'>import</span> <span class='hs-keyword'>qualified</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span>             <span class='hs-keyword'>as</span> <span class='hs-conid'>B</span>    <span class='hs-layout'>(</span> <span class='hs-conid'>ByteString</span> <span class='hs-layout'>)</span>
<a name="line-52"></a><span class='hs-keyword'>import</span> <span class='hs-keyword'>qualified</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span><span class='hs-varop'>.</span><span class='hs-conid'>Lazy</span>        <span class='hs-keyword'>as</span> <span class='hs-conid'>BL</span>   <span class='hs-layout'>(</span> <span class='hs-conid'>ByteString</span> <span class='hs-layout'>)</span>
<a name="line-53"></a><span class='hs-keyword'>import</span> <span class='hs-keyword'>qualified</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span><span class='hs-varop'>.</span><span class='hs-conid'>Char8</span>       <span class='hs-keyword'>as</span> <span class='hs-conid'>C8</span>   <span class='hs-layout'>(</span> <span class='hs-varid'>map</span> <span class='hs-layout'>)</span>
<a name="line-54"></a><span class='hs-keyword'>import</span> <span class='hs-keyword'>qualified</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span><span class='hs-varop'>.</span><span class='hs-conid'>Lazy</span><span class='hs-varop'>.</span><span class='hs-conid'>Char8</span>  <span class='hs-keyword'>as</span> <span class='hs-conid'>BLC8</span> <span class='hs-layout'>(</span> <span class='hs-varid'>map</span> <span class='hs-layout'>)</span>
<a name="line-55"></a>
<a name="line-56"></a><span class='hs-comment'>-- from text:</span>
<a name="line-57"></a><span class='hs-keyword'>import</span> <span class='hs-keyword'>qualified</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Text</span>      <span class='hs-keyword'>as</span> <span class='hs-conid'>T</span>  <span class='hs-layout'>(</span> <span class='hs-conid'>Text</span><span class='hs-layout'>,</span> <span class='hs-varid'>toCaseFold</span> <span class='hs-layout'>)</span>
<a name="line-58"></a><span class='hs-keyword'>import</span> <span class='hs-keyword'>qualified</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Text</span><span class='hs-varop'>.</span><span class='hs-conid'>Lazy</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>TL</span> <span class='hs-layout'>(</span> <span class='hs-conid'>Text</span><span class='hs-layout'>,</span> <span class='hs-varid'>toCaseFold</span> <span class='hs-layout'>)</span>
<a name="line-59"></a>
<a name="line-60"></a>
<a name="line-61"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span>
<a name="line-62"></a><span class='hs-comment'>-- Case Insensitive Strings</span>
<a name="line-63"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span>
<a name="line-64"></a>
<a name="line-65"></a><a name="CI"></a><span class='hs-comment'>{-| A @CI s@ provides /C/ase /I/nsensitive comparison for the string-like type
<a name="line-66"></a>@s@ (for example: 'String', 'T.Text', 'B.ByteString', 'ShowS', etc.).
<a name="line-67"></a>
<a name="line-68"></a>Note that @CI s@ has an instance for 'IsString' which together with the
<a name="line-69"></a>@OverloadedStrings@ language extension allows you to write case insensitive
<a name="line-70"></a>string literals as in:
<a name="line-71"></a>
<a name="line-72"></a>@
<a name="line-73"></a>\&gt; (\"Content-Type\" :: 'CI' 'T.Text') == (\"CONTENT-TYPE\" :: 'CI' 'T.Text')
<a name="line-74"></a>True
<a name="line-75"></a>@
<a name="line-76"></a>
<a name="line-77"></a>-}</span>
<a name="line-78"></a><a name="CI"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>CI</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>CI</span> <span class='hs-layout'>{</span> <span class='hs-varid'>original</span>   <span class='hs-sel'>∷</span> <span class='hs-varop'>!</span><span class='hs-varid'>s</span> <span class='hs-comment'>-- ^ Retrieve the original string-like value.</span>
<a name="line-79"></a>               <span class='hs-layout'>,</span> <span class='hs-varid'>foldedCase</span> <span class='hs-sel'>∷</span> <span class='hs-varop'>!</span><span class='hs-varid'>s</span> <span class='hs-comment'>-- ^ Retrieve the case folded string-like value.</span>
<a name="line-80"></a>                                 <span class='hs-comment'>--   (Also see 'foldCase').</span>
<a name="line-81"></a>               <span class='hs-layout'>}</span>
<a name="line-82"></a>          <span class='hs-keyword'>deriving</span> <span class='hs-conid'>Typeable</span>
<a name="line-83"></a>
<a name="line-84"></a><a name="mk"></a><span class='hs-comment'>-- | Make the given string-like value case insensitive.</span>
<a name="line-85"></a><span class='hs-definition'>mk</span> <span class='hs-sel'>∷</span> <span class='hs-conid'>FoldCase</span> <span class='hs-varid'>s</span> <span class='hs-sel'>⇒</span> <span class='hs-varid'>s</span> <span class='hs-sel'>→</span> <span class='hs-conid'>CI</span> <span class='hs-varid'>s</span>
<a name="line-86"></a><span class='hs-definition'>mk</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>CI</span> <span class='hs-varid'>s</span> <span class='hs-layout'>(</span><span class='hs-varid'>foldCase</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span>
<a name="line-87"></a>
<a name="line-88"></a><a name="map"></a><span class='hs-comment'>-- | Transform the original string-like value but keep it case insensitive.</span>
<a name="line-89"></a><span class='hs-definition'>map</span> <span class='hs-sel'>∷</span> <span class='hs-conid'>FoldCase</span> <span class='hs-varid'>s2</span> <span class='hs-sel'>⇒</span> <span class='hs-layout'>(</span><span class='hs-varid'>s1</span> <span class='hs-sel'>→</span> <span class='hs-varid'>s2</span><span class='hs-layout'>)</span> <span class='hs-sel'>→</span> <span class='hs-layout'>(</span><span class='hs-conid'>CI</span> <span class='hs-varid'>s1</span> <span class='hs-sel'>→</span> <span class='hs-conid'>CI</span> <span class='hs-varid'>s2</span><span class='hs-layout'>)</span>
<a name="line-90"></a><span class='hs-definition'>map</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>mk</span> <span class='hs-varop'>.</span> <span class='hs-varid'>f</span> <span class='hs-varop'>.</span> <span class='hs-varid'>original</span>
<a name="line-91"></a>
<a name="line-92"></a><span class='hs-keyword'>instance</span> <span class='hs-layout'>(</span><span class='hs-conid'>IsString</span> <span class='hs-varid'>s</span><span class='hs-layout'>,</span> <span class='hs-conid'>FoldCase</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span> <span class='hs-sel'>⇒</span> <span class='hs-conid'>IsString</span> <span class='hs-layout'>(</span><span class='hs-conid'>CI</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-93"></a>    <span class='hs-varid'>fromString</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>mk</span> <span class='hs-varop'>.</span> <span class='hs-varid'>fromString</span>
<a name="line-94"></a>
<a name="line-95"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Monoid</span> <span class='hs-varid'>s</span> <span class='hs-sel'>⇒</span> <span class='hs-conid'>Monoid</span> <span class='hs-layout'>(</span><span class='hs-conid'>CI</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-96"></a>    <span class='hs-varid'>mempty</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>CI</span> <span class='hs-varid'>mempty</span> <span class='hs-varid'>mempty</span>
<a name="line-97"></a>    <span class='hs-conid'>CI</span> <span class='hs-varid'>o1</span> <span class='hs-varid'>l1</span> <span class='hs-varop'>`mappend`</span> <span class='hs-conid'>CI</span> <span class='hs-varid'>o2</span> <span class='hs-varid'>l2</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>CI</span> <span class='hs-layout'>(</span><span class='hs-varid'>o1</span> <span class='hs-varop'>`mappend`</span> <span class='hs-varid'>o2</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>l1</span> <span class='hs-varop'>`mappend`</span> <span class='hs-varid'>l2</span><span class='hs-layout'>)</span>
<a name="line-98"></a>
<a name="line-99"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Eq</span> <span class='hs-varid'>s</span> <span class='hs-sel'>⇒</span> <span class='hs-conid'>Eq</span> <span class='hs-layout'>(</span><span class='hs-conid'>CI</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-100"></a>    <span class='hs-layout'>(</span><span class='hs-varop'>==</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-varop'>==</span><span class='hs-layout'>)</span> <span class='hs-varop'>`on`</span> <span class='hs-varid'>foldedCase</span>
<a name="line-101"></a>
<a name="line-102"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Ord</span> <span class='hs-varid'>s</span> <span class='hs-sel'>⇒</span> <span class='hs-conid'>Ord</span> <span class='hs-layout'>(</span><span class='hs-conid'>CI</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-103"></a>    <span class='hs-varid'>compare</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>compare</span> <span class='hs-varop'>`on`</span> <span class='hs-varid'>foldedCase</span>
<a name="line-104"></a>
<a name="line-105"></a><span class='hs-keyword'>instance</span> <span class='hs-layout'>(</span><span class='hs-conid'>Read</span> <span class='hs-varid'>s</span><span class='hs-layout'>,</span> <span class='hs-conid'>FoldCase</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span> <span class='hs-sel'>⇒</span> <span class='hs-conid'>Read</span> <span class='hs-layout'>(</span><span class='hs-conid'>CI</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-106"></a>    <span class='hs-varid'>readPrec</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fmap</span> <span class='hs-varid'>mk</span> <span class='hs-varid'>readPrec</span>
<a name="line-107"></a>
<a name="line-108"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Show</span> <span class='hs-varid'>s</span> <span class='hs-sel'>⇒</span> <span class='hs-conid'>Show</span> <span class='hs-layout'>(</span><span class='hs-conid'>CI</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-109"></a>    <span class='hs-varid'>showsPrec</span> <span class='hs-varid'>prec</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>showsPrec</span> <span class='hs-varid'>prec</span> <span class='hs-varop'>.</span> <span class='hs-varid'>original</span>
<a name="line-110"></a>
<a name="line-111"></a>
<a name="line-112"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span>
<a name="line-113"></a><span class='hs-comment'>-- Folding (lowering) cases</span>
<a name="line-114"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span>
<a name="line-115"></a>
<a name="line-116"></a><a name="FoldCase"></a><span class='hs-comment'>-- | Class of string-like types that support folding cases.</span>
<a name="line-117"></a><a name="FoldCase"></a><span class='hs-comment'>--</span>
<a name="line-118"></a><a name="FoldCase"></a><span class='hs-comment'>-- Note that the instances for 'Char', 'String', 'ShowS' and the 'B.ByteString'</span>
<a name="line-119"></a><a name="FoldCase"></a><span class='hs-comment'>-- types do /not/ perform fully correct Unicode-aware case folding, they simply</span>
<a name="line-120"></a><a name="FoldCase"></a><span class='hs-comment'>-- 'toLower' their characters! This is of course more than suitable for ASCII</span>
<a name="line-121"></a><a name="FoldCase"></a><span class='hs-comment'>-- encoded strings.</span>
<a name="line-122"></a><a name="FoldCase"></a><span class='hs-comment'>--</span>
<a name="line-123"></a><a name="FoldCase"></a><span class='hs-comment'>-- The instances for the 'T.Text' types use 'T.toCaseFold' which performs a</span>
<a name="line-124"></a><a name="FoldCase"></a><span class='hs-comment'>-- better Unicode-aware case fold which is more suitable for case insensitive</span>
<a name="line-125"></a><a name="FoldCase"></a><span class='hs-comment'>-- string comparisons.</span>
<a name="line-126"></a><a name="FoldCase"></a><span class='hs-keyword'>class</span> <span class='hs-conid'>FoldCase</span> <span class='hs-varid'>s</span> <span class='hs-keyword'>where</span> <span class='hs-varid'>foldCase</span> <span class='hs-sel'>∷</span> <span class='hs-varid'>s</span> <span class='hs-sel'>→</span> <span class='hs-varid'>s</span>
<a name="line-127"></a>
<a name="line-128"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>FoldCase</span> <span class='hs-conid'>Char</span>          <span class='hs-keyword'>where</span> <span class='hs-varid'>foldCase</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>toLower</span>
<a name="line-129"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>FoldCase</span> <span class='hs-conid'>String</span>        <span class='hs-keyword'>where</span> <span class='hs-varid'>foldCase</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>L</span><span class='hs-varop'>.</span><span class='hs-varid'>map</span> <span class='hs-varid'>toLower</span>
<a name="line-130"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>FoldCase</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span>  <span class='hs-keyword'>where</span> <span class='hs-varid'>foldCase</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>C8</span><span class='hs-varop'>.</span><span class='hs-varid'>map</span> <span class='hs-varid'>toLower</span>
<a name="line-131"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>FoldCase</span> <span class='hs-conid'>BL</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-keyword'>where</span> <span class='hs-varid'>foldCase</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>BLC8</span><span class='hs-varop'>.</span><span class='hs-varid'>map</span> <span class='hs-varid'>toLower</span>
<a name="line-132"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>FoldCase</span> <span class='hs-conid'>T</span><span class='hs-varop'>.</span><span class='hs-conid'>Text</span>        <span class='hs-keyword'>where</span> <span class='hs-varid'>foldCase</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>T</span><span class='hs-varop'>.</span><span class='hs-varid'>toCaseFold</span>
<a name="line-133"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>FoldCase</span> <span class='hs-conid'>TL</span><span class='hs-varop'>.</span><span class='hs-conid'>Text</span>       <span class='hs-keyword'>where</span> <span class='hs-varid'>foldCase</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>TL</span><span class='hs-varop'>.</span><span class='hs-varid'>toCaseFold</span>
<a name="line-134"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>FoldCase</span> <span class='hs-conid'>ShowS</span>         <span class='hs-keyword'>where</span> <span class='hs-varid'>foldCase</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-varid'>foldCase</span> <span class='hs-varop'>.</span><span class='hs-layout'>)</span>
<a name="line-135"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>FoldCase</span> <span class='hs-layout'>(</span><span class='hs-conid'>CI</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span>        <span class='hs-keyword'>where</span> <span class='hs-varid'>foldCase</span> <span class='hs-layout'>(</span><span class='hs-conid'>CI</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>l</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>CI</span> <span class='hs-varid'>l</span> <span class='hs-varid'>l</span>
<a name="line-136"></a>
<a name="line-137"></a>
<a name="line-138"></a><span class='hs-comment'>-- The End ---------------------------------------------------------------------</span>
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