X-Git-Url: http://git.megacz.com/?p=ghc-hetmet.git;a=blobdiff_plain;f=compiler%2Ftypes%2FTypeRep.lhs;h=fafbaab1d27df759b5ad8d84504350ee0f9070fe;hp=55beb28da186117bcb58638c9309eddb7ec64bf7;hb=d2ce0f52d42edf32bb9f13796e6ba6edba8bd516;hpb=fc7a2876f23510ab795ab2098bbac278d29d6356

diff --git a/compiler/types/TypeRep.lhs b/compiler/types/TypeRep.lhs
index 55beb28..fafbaab 100644
--- a/compiler/types/TypeRep.lhs
+++ b/compiler/types/TypeRep.lhs
@@ -449,13 +449,14 @@ pprClassPred :: Class -> [Type] -> SDoc
 pprClassPred clas tys = ppr_type_app TopPrec (getName clas) tys
 
 pprTheta :: ThetaType -> SDoc
-pprTheta theta = parens (sep (punctuate comma (map pprPred theta)))
+-- pprTheta [pred] = pprPred pred	 -- I'm in two minds about this
+pprTheta theta  = parens (sep (punctuate comma (map pprPred theta)))
 
 pprThetaArrow :: ThetaType -> SDoc
 pprThetaArrow []     = empty
 pprThetaArrow [pred] 
-  | noParenPred pred = pprPred pred <+> ptext (sLit "=>")
-pprThetaArrow preds  = parens (sep (punctuate comma (map pprPred preds))) <+> ptext (sLit "=>")
+  | noParenPred pred = pprPred pred <+> darrow
+pprThetaArrow preds  = parens (sep (punctuate comma (map pprPred preds))) <+> darrow
 
 noParenPred :: PredType -> Bool
 -- A predicate that can appear without parens before a "=>"