X-Git-Url: http://git.megacz.com/?p=ghc-hetmet.git;a=blobdiff_plain;f=compiler%2Ftypecheck%2FInst.lhs;h=da80df428c4493baa6c5ea938417f50de1048a25;hp=d75a7cd290c59c0252668d98d4638fbe06c35e27;hb=aafdba3bce91afb003f5f50e001e141744837bae;hpb=97169c5dd31537b28f5f8ad08cd6cdf82c1ecefd

diff --git a/compiler/typecheck/Inst.lhs b/compiler/typecheck/Inst.lhs
index d75a7cd..da80df4 100644
--- a/compiler/typecheck/Inst.lhs
+++ b/compiler/typecheck/Inst.lhs
@@ -603,11 +603,14 @@ pprInst i@(EqInst {tci_left = ty1, tci_right = ty2, tci_co = co})
 		(\covar -> text "Wanted" <+> ppr (TyVarTy covar) <+> dcolon <+> ppr (EqPred ty1 ty2))
 		(\co    -> text "Given"  <+> ppr co              <+> dcolon <+> ppr (EqPred ty1 ty2))
 pprInst inst = ppr (instName inst) <+> dcolon 
-		<+> (braces (ppr (instType inst)) $$
+		<+> (braces (ppr (instType inst) <> implicWantedEqs) $$
 		     ifPprDebug implic_stuff)
   where
-    implic_stuff | isImplicInst inst = ppr (tci_reft inst)
-		 | otherwise	     = empty
+    (implic_stuff, implicWantedEqs) 
+      | isImplicInst inst = (ppr (tci_reft inst),
+                            text " &" <+> 
+                            ppr (filter isEqInst (tci_wanted inst)))
+      | otherwise	  = (empty, empty)
 
 pprInstInFull inst@(EqInst {}) = pprInst inst
 pprInstInFull inst = sep [quotes (pprInst inst), nest 2 (pprInstArising inst)]