Fix Trac #2082

[ghc-hetmet.git] / compiler / main / PprTyThing.hs

diff --git a/compiler/main/PprTyThing.hs b/compiler/main/PprTyThing.hs
index 6a0bf82..2a7abb4 100644 (file)
--- a/compiler/main/PprTyThing.hs
+++ b/compiler/main/PprTyThing.hs
@@ -1,3 +1,10 @@
+{-# 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
+
 -----------------------------------------------------------------------------
 --
 -- Pretty-printing TyThings
@@ -6,13 +13,6 @@
 --
 -----------------------------------------------------------------------------
 
-{-# 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 PprTyThing (
        PrintExplicitForalls,
        pprTyThing,
@@ -190,7 +190,7 @@ pprDataConDecl pefas gadt_style show_label dataCon
 
        -- printing out the dataCon as a type signature, in GADT style
     pp_tau = foldr add (ppr res_ty) tys_w_strs
-    add (str,ty) pp_ty = pprBangTy str ty <+> arrow <+> pp_ty
+    add str_ty pp_ty = pprParendBangTy str_ty <+> arrow <+> pp_ty
 
     pprParendBangTy (strict,ty)
        | GHC.isMarkedStrict strict = char '!' <> GHC.pprParendType ty