[project @ 2003-09-23 15:10:23 by simonpj]

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

diff --git a/ghc/compiler/typecheck/TcType.lhs b/ghc/compiler/typecheck/TcType.lhs
index 9635d41..079f225 100644 (file)
--- a/ghc/compiler/typecheck/TcType.lhs
+++ b/ghc/compiler/typecheck/TcType.lhs
@@ -61,7 +61,7 @@ module TcType (
   ---------------------------------
   -- Predicate types  
   getClassPredTys_maybe, getClassPredTys, 
-  isPredTy, isClassPred, isTyVarClassPred, predHasFDs,
+  isPredTy, isClassPred, isTyVarClassPred, 
   mkDictTy, tcSplitPredTy_maybe, 
   isDictTy, tcSplitDFunTy, predTyUnique, 
   mkClassPred, isInheritablePred, isLinearPred, isIPPred, mkPredName, 
@@ -541,12 +541,6 @@ predTyUnique :: PredType -> Unique
 predTyUnique (IParam n _)      = getUnique (ipNameName n)
 predTyUnique (ClassP clas tys) = getUnique clas
 
-predHasFDs :: PredType -> Bool
--- True if the predicate has functional depenencies; 
--- I.e. should participate in improvement
-predHasFDs (IParam _ _)   = True
-predHasFDs (ClassP cls _) = classHasFDs cls
-
 mkPredName :: Unique -> SrcLoc -> SourceType -> Name
 mkPredName uniq loc (ClassP cls tys) = mkInternalName uniq (mkDictOcc (getOccName cls)) loc
 mkPredName uniq loc (IParam ip ty)   = mkInternalName uniq (getOccName (ipNameName ip)) loc
@@ -1155,7 +1149,7 @@ match (TyVarTy v) ty tmpls k senv
        Nothing | typeKind ty `eqKind` tyVarKind v      
                        -- We do a kind check, just as in the uVarX above
                        -- The kind check is needed to avoid bogus matches
-                       -- of   (a b) with (c d), where the kinds don't match
+                       -- of (a b) with (c d), where the kinds don't match
                        -- An occur check isn't needed when matching.
                -> k (extendSubstEnv senv v (DoneTy ty))