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-rw-r--r--compiler/main/PprTyThing.hs12
1 files changed, 2 insertions, 10 deletions
diff --git a/compiler/main/PprTyThing.hs b/compiler/main/PprTyThing.hs
index 365a57c7b9..d55b5083ec 100644
--- a/compiler/main/PprTyThing.hs
+++ b/compiler/main/PprTyThing.hs
@@ -147,18 +147,10 @@ ppr_ty_thing hdr_only path ty_thing
-- Nothing is unexpected here; TyThings have External names
pprTypeForUser :: Type -> SDoc
--- We do two things here.
--- a) We tidy the type, regardless
--- b) Swizzle the foralls to the top, so that without
--- -fprint-explicit-foralls we'll suppress all the foralls
--- Prime example: a class op might have type
--- forall a. C a => forall b. Ord b => stuff
--- Then we want to display
--- (C a, Ord b) => stuff
+-- The type is tidied
pprTypeForUser ty
- = pprSigmaType (mkInvSigmaTy tvs ctxt tau)
+ = pprSigmaType tidy_ty
where
- (tvs, ctxt, tau) = tcSplitSigmaTy tidy_ty
(_, tidy_ty) = tidyOpenType emptyTidyEnv ty
-- Often the types/kinds we print in ghci are fully generalised
-- and have no free variables, but it turns out that we sometimes