From: simonpj@microsoft.com <unknown>
Date: Wed, 28 Nov 2007 17:31:25 +0000 (+0000)
Subject: Improve pretty-printing for Insts
X-Git-Url: http://git.megacz.com/?p=ghc-hetmet.git;a=commitdiff_plain;h=12d8935ec994db50dc5c0451abb6c35a823ed918

Improve pretty-printing for Insts
---

diff --git a/compiler/typecheck/Inst.lhs b/compiler/typecheck/Inst.lhs
index da80df4..5e9d985 100644
--- a/compiler/typecheck/Inst.lhs
+++ b/compiler/typecheck/Inst.lhs
@@ -94,6 +94,7 @@ import DynFlags
 import Bag
 import Maybes
 import Util
+import Unique
 import Outputable
 import Data.List
 import TypeRep
@@ -602,10 +603,11 @@ pprInst i@(EqInst {tci_left = ty1, tci_right = ty2, tci_co = co})
 	= eitherEqInst i
 		(\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 
+pprInst inst = ppr name <> braces (pprUnique (getUnique name)) <+> dcolon 
 		<+> (braces (ppr (instType inst) <> implicWantedEqs) $$
 		     ifPprDebug implic_stuff)
   where
+    name = instName inst
     (implic_stuff, implicWantedEqs) 
       | isImplicInst inst = (ppr (tci_reft inst),
                             text " &" <+>