Properly ppr InstEqs in wanteds of implication constraints

[ghc-hetmet.git] / compiler / coreSyn / PprCore.lhs

diff --git a/compiler/coreSyn/PprCore.lhs b/compiler/coreSyn/PprCore.lhs
index a3c1f6f..f297a79 100644 (file)
--- a/compiler/coreSyn/PprCore.lhs
+++ b/compiler/coreSyn/PprCore.lhs
@@ -6,6 +6,13 @@
 Printing of Core syntax
 
 \begin{code}
+{-# OPTIONS -w #-}
+-- The above warning supression flag is a temporary kludge.
+-- While working on this module you are encouraged to remove it and fix
+-- any warnings in the module. See
+--     http://hackage.haskell.org/trac/ghc/wiki/Commentary/CodingStyle#Warnings
+-- for details
+
 module PprCore (
        pprCoreExpr, pprParendExpr,
        pprCoreBinding, pprCoreBindings, pprCoreAlt,
@@ -186,7 +193,6 @@ ppr_expr add_par (Let bind@(NonRec val_bdr rhs@(Let _ _)) body)
       nest 2 (pprCoreExpr rhs),
       ptext SLIT("} in"),
       pprCoreExpr body ]
--}
 
 ppr_expr add_par (Let bind@(NonRec val_bdr rhs) expr@(Let _ _))
   = add_par
@@ -195,15 +201,16 @@ ppr_expr add_par (Let bind@(NonRec val_bdr rhs) expr@(Let _ _))
                   ptext SLIT("} in")])
      $$
      pprCoreExpr expr)
+-}
 
--- general case (recursive case, too)
+-- General case (recursive case, too)
 ppr_expr add_par (Let bind expr)
   = add_par $
-    sep [hang (ptext keyword) 2 (ppr_bind bind),
-        hang (ptext SLIT("} in ")) 2 (pprCoreExpr expr)]
+    sep [hang (ptext keyword) 2 (ppr_bind bind <+> ptext SLIT("} in")),
+        pprCoreExpr expr]
   where
     keyword = case bind of
-               Rec _      -> SLIT("__letrec {")
+               Rec _      -> SLIT("letrec {")
                NonRec _ _ -> SLIT("let {")
 
 ppr_expr add_par (Note (SCC cc) expr)