Use "on the spot" solving for fundeps

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

diff --git a/compiler/typecheck/TcRnTypes.lhs b/compiler/typecheck/TcRnTypes.lhs
index 96ca3b3..f9422a8 100644 (file)
--- a/compiler/typecheck/TcRnTypes.lhs
+++ b/compiler/typecheck/TcRnTypes.lhs
@@ -935,10 +935,9 @@ data CtFlavor
 -- superclasses. 
 
 instance Outputable CtFlavor where
 -- superclasses. 
 
 instance Outputable CtFlavor where

-  ppr (Given _)    = ptext (sLit "[Given]")
-  ppr (Wanted _)   = ptext (sLit "[Wanted]")
-  ppr (Derived {}) = ptext (sLit "[Derived]") 
-
+  ppr (Given {})   = ptext (sLit "[G]")
+  ppr (Wanted {})  = ptext (sLit "[W]")
+  ppr (Derived {}) = ptext (sLit "[D]") 

 pprFlavorArising :: CtFlavor -> SDoc
 pprFlavorArising (Derived wl )  = pprArisingAt wl
 pprFlavorArising (Wanted  wl)   = pprArisingAt wl
 pprFlavorArising :: CtFlavor -> SDoc
 pprFlavorArising (Derived wl )  = pprArisingAt wl
 pprFlavorArising (Wanted  wl)   = pprArisingAt wl