X-Git-Url: http://git.megacz.com/?p=ghc-hetmet.git;a=blobdiff_plain;f=compiler%2FhsSyn%2FHsPat.lhs;h=42da26554a748a383f36cf2629b0e8b36cdadbb3;hp=e4347790317ecd4f0f7bc04928893d7ad067b6eb;hb=74b27e20425336403d80e942ee3faf00f8c36ef8;hpb=00b6d2567426ec52a113b1d3687e1d61368cafda diff --git a/compiler/hsSyn/HsPat.lhs b/compiler/hsSyn/HsPat.lhs index e434779..42da265 100644 --- a/compiler/hsSyn/HsPat.lhs +++ b/compiler/hsSyn/HsPat.lhs @@ -125,11 +125,6 @@ data Pat id | SigPatOut (LPat id) -- Pattern with a type signature Type - ------------ Dictionary patterns (translation only) --------------- - | DictPat -- Used when destructing Dictionaries with an explicit case - [id] -- Superclass dicts - [id] -- Methods - ------------ Pattern coercions (translation only) --------------- | CoPat HsWrapper -- If co::t1 -> t2, p::t2, -- then (CoPat co p) :: t1 @@ -211,9 +206,6 @@ pprPat (TypePat ty) = ptext SLIT("{|") <> ppr ty <> ptext SLIT("|}") pprPat (CoPat co pat _) = parens (pprHsWrapper (ppr pat) co) pprPat (SigPatIn pat ty) = ppr pat <+> dcolon <+> ppr ty pprPat (SigPatOut pat ty) = ppr pat <+> dcolon <+> ppr ty -pprPat (DictPat ds ms) = parens (sep [ptext SLIT("{-dict-}"), - brackets (interpp'SP ds), - brackets (interpp'SP ms)]) pprUserCon c (InfixCon p1 p2) = ppr p1 <+> ppr c <+> ppr p2 pprUserCon c details = ppr c <+> pprConArgs details @@ -305,7 +297,6 @@ isConPat (ConPatOut {}) = True isConPat (ListPat {}) = True isConPat (PArrPat {}) = True isConPat (TuplePat {}) = True -isConPat (DictPat ds ms) = (length ds + length ms) > 1 isConPat other = False isSigPat (SigPatIn _ _) = True @@ -359,6 +350,5 @@ isIrrefutableHsPat pat go1 (NPlusKPat _ _ _ _) = False go1 (TypePat _) = panic "isIrrefutableHsPat: type pattern" - go1 (DictPat _ _) = panic "isIrrefutableHsPat: type pattern" \end{code}