[project @ 2006-01-09 14:32:57 by simonmar]

[ghc-hetmet.git] / ghc / compiler / hsSyn / HsDecls.lhs

diff --git a/ghc/compiler/hsSyn/HsDecls.lhs b/ghc/compiler/hsSyn/HsDecls.lhs
index 1f67f6e..8c23d48 100644 (file)
--- a/ghc/compiler/hsSyn/HsDecls.lhs
+++ b/ghc/compiler/hsSyn/HsDecls.lhs
@@ -110,7 +110,8 @@ emptyRnGroup  = emptyGroup { hs_valds = emptyValBindsOut }
 
 emptyGroup = HsGroup { hs_tyclds = [], hs_instds = [],
                       hs_fixds = [], hs_defds = [], hs_fords = [], 
-                      hs_depds = [] ,hs_ruleds = [] }
+                      hs_depds = [], hs_ruleds = [],
+                      hs_valds = error "emptyGroup hs_valds: Can't happen" }
 
 appendGroups :: HsGroup a -> HsGroup a -> HsGroup a
 appendGroups 
@@ -500,6 +501,18 @@ instance Outputable NewOrData where
 \begin{code}
 type LConDecl name = Located (ConDecl name)
 
+-- data T b = forall a. Eq a => MkT a b
+--   MkT :: forall b a. Eq a => MkT a b
+
+-- data T b where
+--     MkT1 :: Int -> T Int
+
+-- data T = Int `MkT` Int
+--       | MkT2
+
+-- data T a where
+--     Int `MkT` Int :: T Int
+
 data ConDecl name
   = ConDecl
     { con_name      :: Located name        -- Constructor name; this is used for the
@@ -709,8 +722,8 @@ instance Outputable ForeignImport where
         ptext SLIT("dynamic")
       pprCEntity _      _   (CWrapper) = ptext SLIT("wrapper")
       --
-      pprLib lib | nullFastString lib = empty
-                | otherwise          = char '[' <> ppr lib <> char ']'
+      pprLib lib | nullFS lib = empty
+                | otherwise  = char '[' <> ppr lib <> char ']'
 
 instance Outputable ForeignExport where
   ppr (CExport  (CExportStatic lbl cconv)) =