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Implement -X=GADTs and -X=RelaxedPolyRec
[ghc-hetmet.git]
/
compiler
/
hsSyn
/
HsPat.lhs
diff --git
a/compiler/hsSyn/HsPat.lhs
b/compiler/hsSyn/HsPat.lhs
index
65cc304
..
abfb3c6
100644
(file)
--- a/
compiler/hsSyn/HsPat.lhs
+++ b/
compiler/hsSyn/HsPat.lhs
@@
-131,7
+131,7
@@
data Pat id
| CoPat HsWrapper -- If co::t1 -> t2, p::t2,
-- then (CoPat co p) :: t1
(Pat id) -- Why not LPat? Ans: existing locn will do
| CoPat HsWrapper -- If co::t1 -> t2, p::t2,
-- then (CoPat co p) :: t1
(Pat id) -- Why not LPat? Ans: existing locn will do
- Type
+ Type -- Type of whole pattern, t1
-- During desugaring a (CoPat co pat) turns into a cast with 'co' on
-- the scrutinee, followed by a match on 'pat'
\end{code}
-- During desugaring a (CoPat co pat) turns into a cast with 'co' on
-- the scrutinee, followed by a match on 'pat'
\end{code}
@@
-219,8
+219,8
@@
pprConArgs (PrefixCon pats) = interppSP pats
pprConArgs (InfixCon p1 p2) = interppSP [p1,p2]
pprConArgs (RecCon rpats) = braces (hsep (punctuate comma (map (pp_rpat) rpats)))
where
pprConArgs (InfixCon p1 p2) = interppSP [p1,p2]
pprConArgs (RecCon rpats) = braces (hsep (punctuate comma (map (pp_rpat) rpats)))
where
- pp_rpat (HsRecField v p d) =
- hsep [ppr d, ppr v, char '=', ppr p]
+ pp_rpat (HsRecField v p _d) =
+ hsep [ppr v, char '=', ppr p]
-- add parallel array brackets around a document
--
-- add parallel array brackets around a document
--