Thu Dec 21 13:01:47 PST 2006 [EMAIL PROTECTED]
* Add support for overloaded string literals.
The class is named IsString with the single method fromString.
Overloaded strings work the same way as overloaded numeric literals.
In expressions a string literals gets a fromString applied to it.
In a pattern there will be an equality comparison with the fromString:ed
literal.
Use -foverloaded-strings to enable this extension.
M ./compiler/deSugar/Check.lhs +1
M ./compiler/deSugar/DsExpr.lhs -1 +1
M ./compiler/deSugar/DsMeta.hs +3
M ./compiler/deSugar/MatchLit.lhs +9
M ./compiler/hsSyn/Convert.lhs +1
M ./compiler/hsSyn/HsLit.lhs +8
M ./compiler/hsSyn/HsUtils.lhs +1
M ./compiler/main/DynFlags.hs +2
M ./compiler/parser/Parser.y.pp -1 +4
M ./compiler/parser/RdrHsSyn.lhs -1 +1
M ./compiler/prelude/PrelNames.lhs -4 +22
M ./compiler/rename/RnEnv.lhs -1 +1
M ./compiler/rename/RnExpr.lhs +10
M ./compiler/rename/RnTypes.lhs -2 +10
M ./compiler/typecheck/Inst.lhs -1 +26
M ./compiler/typecheck/TcDefaults.lhs +1
M ./compiler/typecheck/TcHsSyn.lhs +2
M ./compiler/typecheck/TcPat.lhs +13
M ./compiler/typecheck/TcSimplify.lhs -3 +8
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