[project @ 1996-07-15 16:16:46 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 e7056b2..046ab6d 100644 (file)
--- a/ghc/compiler/typecheck/TcPat.lhs
+++ b/ghc/compiler/typecheck/TcPat.lhs
@@ -13,17 +13,18 @@ IMP_Ubiq(){-uitous-}
 import HsSyn           ( InPat(..), OutPat(..), HsExpr(..), HsLit(..),
                          Match, HsBinds, Qualifier, PolyType,
                          ArithSeqInfo, Stmt, Fake )
-import RnHsSyn         ( RenamedPat(..) )
-import TcHsSyn         ( TcPat(..), TcIdOcc(..) )
+import RnHsSyn         ( SYN_IE(RenamedPat), RnName{-instance Outputable-} )
+import TcHsSyn         ( SYN_IE(TcPat), TcIdOcc(..) )
 
 import TcMonad         hiding ( rnMtoTcM )
 import Inst            ( Inst, OverloadedLit(..), InstOrigin(..),
-                         emptyLIE, plusLIE, plusLIEs, LIE(..),
+                         emptyLIE, plusLIE, plusLIEs, SYN_IE(LIE),
                          newMethod, newOverloadedLit
                        )
 import TcEnv           ( tcLookupGlobalValue, tcLookupGlobalValueByKey, 
                          tcLookupLocalValueOK )
-import TcType          ( TcType(..), TcMaybe, newTyVarTy, newTyVarTys, tcInstId )
+import SpecEnv         ( SpecEnv )
+import TcType          ( SYN_IE(TcType), TcMaybe, newTyVarTy, newTyVarTys, tcInstId )
 import Unify           ( unifyTauTy, unifyTauTyList, unifyTauTyLists )
 
 import Bag             ( Bag )
@@ -34,7 +35,6 @@ import Maybes         ( maybeToBool )
 import PprType         ( GenType, GenTyVar )
 import PprStyle--ToDo:rm
 import Pretty
-import RnHsSyn         ( RnName{-instance Outputable-} )
 import Type            ( splitFunTy, splitRhoTy, splitSigmaTy, mkTyVarTys,
                          getFunTy_maybe, maybeAppDataTyCon,
                          SYN_IE(Type), GenType
@@ -342,7 +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}