X-Git-Url: http://git.megacz.com/?p=ghc-hetmet.git;a=blobdiff_plain;f=compiler%2FhsSyn%2FHsPat.lhs;h=7fb5f725334fdb03e2b45c64a93a5b86e9e6edcf;hp=3efcd59ecf514354e6ad137633ff439d768472c1;hb=c1c2c25355bc462e521b2c5fb41ac79307da22ff;hpb=478e69b303eb2e653a2ebf5c888b5efdfef1fb9d

diff --git a/compiler/hsSyn/HsPat.lhs b/compiler/hsSyn/HsPat.lhs
index 3efcd59..7fb5f72 100644
--- a/compiler/hsSyn/HsPat.lhs
+++ b/compiler/hsSyn/HsPat.lhs
@@ -24,7 +24,7 @@ module HsPat (
 
         isBangHsBind, isLiftedPatBind,
         isBangLPat, hsPatNeedsParens,
-	isIrrefutableHsPat,
+        isIrrefutableHsPat,
 
 	pprParendLPat
     ) where
@@ -65,7 +65,7 @@ data Pat id
 	-- support hsPatType :: Pat Id -> Type
 
   | VarPat	id			-- Variable
-  | LazyPat	(LPat id)		-- Lazy pattern
+  | LazyPat     (LPat id)               -- Lazy pattern
   | AsPat	(Located id) (LPat id)  -- As pattern
   | ParPat      (LPat id)		-- Parenthesised pattern
   | BangPat	(LPat id)		-- Bang pattern
@@ -134,12 +134,6 @@ data Pat id
 		    (SyntaxExpr id)	-- (>=) function, of type t->t->Bool
 		    (SyntaxExpr id)	-- Name of '-' (see RnEnv.lookupSyntaxName)
 
-	------------ Generics ---------------
-  | TypePat	    (LHsType id)	-- Type pattern for generic definitions
-                                        -- e.g  f{| a+b |} = ...
-                                        -- These show up only in class declarations,
-                                        -- and should be a top-level pattern
-
 	------------ Pattern type signatures ---------------
   | SigPatIn	    (LPat id)		-- Pattern with a type signature
 		    (LHsType id)
@@ -283,7 +277,6 @@ pprPat (NPat l Nothing  _)  = ppr l
 pprPat (NPat l (Just _) _)  = char '-' <> ppr l
 pprPat (NPlusKPat n k _ _)  = hcat [ppr n, char '+', ppr k]
 pprPat (QuasiQuotePat qq)   = ppr qq
-pprPat (TypePat ty)	    = ptext (sLit "{|") <> ppr ty <> ptext (sLit "|}")
 pprPat (CoPat co pat _)	    = pprHsWrapper (ppr pat) co
 pprPat (SigPatIn pat ty)    = ppr pat <+> dcolon <+> ppr ty
 pprPat (SigPatOut pat ty)   = ppr pat <+> dcolon <+> ppr ty
@@ -441,7 +434,6 @@ isIrrefutableHsPat pat
 
     go1 (QuasiQuotePat {}) = urk pat	-- Gotten rid of by renamer, before
 					-- isIrrefutablePat is called
-    go1 (TypePat {})       = urk pat
 
     urk pat = pprPanic "isIrrefutableHsPat:" (ppr pat)
 
@@ -465,7 +457,6 @@ hsPatNeedsParens (LitPat {})   	     = False
 hsPatNeedsParens (NPat {})	     = False
 hsPatNeedsParens (NPlusKPat {})      = True
 hsPatNeedsParens (QuasiQuotePat {})  = True
-hsPatNeedsParens (TypePat {})        = False
 
 conPatNeedsParens :: HsConDetails a b -> Bool
 conPatNeedsParens (PrefixCon args) = not (null args)