[project @ 1996-07-19 18:36:04 by partain]

[ghc-hetmet.git] / ghc / compiler / typecheck / TcPat.lhs

diff --git a/ghc/compiler/typecheck/TcPat.lhs b/ghc/compiler/typecheck/TcPat.lhs
index a81a112..becc2d6 100644 (file)
--- a/ghc/compiler/typecheck/TcPat.lhs
+++ b/ghc/compiler/typecheck/TcPat.lhs
@@ -23,6 +23,7 @@ import Inst           ( Inst, OverloadedLit(..), InstOrigin(..),
                        )
 import TcEnv           ( tcLookupGlobalValue, tcLookupGlobalValueByKey, 
                          tcLookupLocalValueOK )
+import SpecEnv         ( SpecEnv )
 import TcType          ( SYN_IE(TcType), TcMaybe, newTyVarTy, newTyVarTys, tcInstId )
 import Unify           ( unifyTauTy, unifyTauTyList, unifyTauTyLists )
 
@@ -32,7 +33,7 @@ import Id             ( GenId, idType )
 import Kind            ( Kind, mkBoxedTypeKind, mkTypeKind )
 import Maybes          ( maybeToBool )
 import PprType         ( GenType, GenTyVar )
-import PprStyle--ToDo:rm
+--import PprStyle--ToDo:rm
 import Pretty
 import Type            ( splitFunTy, splitRhoTy, splitSigmaTy, mkTyVarTys,
                          getFunTy_maybe, maybeAppDataTyCon,
@@ -44,7 +45,7 @@ import TysPrim                ( charPrimTy, intPrimTy, floatPrimTy,
                        )
 import TysWiredIn      ( charTy, stringTy, mkListTy, mkTupleTy, addrTy )
 import Unique          ( Unique, eqClassOpKey )
-import Util            ( assertPanic, panic{-ToDo:rm-} )
+import Util            ( assertPanic, panic )
 \end{code}
 
 \begin{code}
@@ -59,7 +60,7 @@ tcPat :: RenamedPat -> TcM s (TcPat s, LIE s, TcType s)
 
 \begin{code}
 tcPat (VarPatIn name)
-  = tcLookupLocalValueOK ("tcPat1:"++ppShow 80 (ppr PprDebug name)) name       `thenNF_Tc` \ id ->
+  = tcLookupLocalValueOK ("tcPat1:"{-++ppShow 80 (ppr PprDebug name)-}) name   `thenNF_Tc` \ id ->
     returnTc (VarPat (TcId id), emptyLIE, idType id)
 
 tcPat (LazyPatIn pat)
@@ -341,7 +342,7 @@ matchConArgTys con arg_tys
     checkTc (con_arity == no_of_args)
            (arityErr "Constructor" con_id con_arity no_of_args)        `thenTc_`
 
-    unifyTauTyLists arg_tys con_args                                   `thenTc_`
+    unifyTauTyLists con_args arg_tys                                   `thenTc_`
     returnTc (con_id, con_result)
 \end{code}