#3377: [Patch] Support Python-style tuple sections
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Reporter: batterseapower | Owner:
Type: feature request | Status: closed
Priority: normal | Milestone:
Component: Compiler | Version: 6.10.4
Severity: normal | Resolution: fixed
Keywords: | Difficulty: Unknown
Testcase: | Os: Unknown/Multiple
Architecture: Unknown/Multiple |
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Changes (by simonpj):
* status: new => closed
* resolution: => fixed
Comment:
OK, it's done. Thanks to Max for doing the first version.
{{{
Wed Jul 22 23:38:59 PDT 2009 simo...@microsoft.com
* Add tuple sections as a new feature
Ignore-this: d42a26fc1efff112b852b5c1135c1746
This patch adds tuple sections, so that
(x,,z) means \y -> (x,y,z)
Thanks for Max Bolingbroke for doing the hard work.
In the end, instead of using two constructors in HsSyn, I used
just one (still called ExplicitTuple) whose arguments can be
Present (LHsExpr id)
or Missing PostTcType
While I was at it, I did a bit of refactoring too.
M ./compiler/deSugar/Coverage.lhs -6 +10
M ./compiler/deSugar/DsArrows.lhs -10 +5
M ./compiler/deSugar/DsExpr.lhs -10 +20
M ./compiler/deSugar/DsListComp.lhs -2 +2
M ./compiler/deSugar/DsMeta.hs -2 +4
M ./compiler/deSugar/DsUtils.lhs -19 +13
M ./compiler/deSugar/Match.lhs -15 +18
M ./compiler/hsSyn/Convert.lhs -1 +1
M ./compiler/hsSyn/HsExpr.lhs -23 +38
M ./compiler/hsSyn/HsUtils.lhs -5 +17
M ./compiler/main/DynFlags.hs +2
M ./compiler/parser/Parser.y.pp -10 +27
M ./compiler/parser/RdrHsSyn.lhs -3 +4
M ./compiler/rename/RnExpr.lhs -5 +17
M ./compiler/rename/RnSource.lhs -1
M ./compiler/typecheck/TcExpr.lhs -17 +27
M ./compiler/typecheck/TcGenDeriv.lhs -8 +6
M ./compiler/typecheck/TcHsSyn.lhs -10 +8
M ./compiler/typecheck/TcTyClsDecls.lhs -1 +1
M ./compiler/types/Generics.lhs -4 +4
M ./compiler/types/TypeRep.lhs +1
M ./docs/users_guide/glasgow_exts.xml +38
}}}
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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/3377#comment:11>
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