[commit: ghc] wip/type-app: Suggest TypeApplications when it's off (b771c62)

[git at git.haskell.org]

Repository : ssh://git@git.haskell.org/ghc

On branch  : wip/type-app
Link       : http://ghc.haskell.org/trac/ghc/changeset/b771c627f4e0f698e1a71aa29b6cf19efe694962/ghc

>---------------------------------------------------------------

commit b771c627f4e0f698e1a71aa29b6cf19efe694962
Author: Richard Eisenberg <eir at cis.upenn.edu>
Date:   Thu Jul 9 21:01:28 2015 -0400

    Suggest TypeApplications when it's off


>---------------------------------------------------------------

b771c627f4e0f698e1a71aa29b6cf19efe694962
 compiler/rename/RnExpr.hs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/compiler/rename/RnExpr.hs b/compiler/rename/RnExpr.hs
index 4a48b06..e154142 100644
--- a/compiler/rename/RnExpr.hs
+++ b/compiler/rename/RnExpr.hs
@@ -1352,7 +1352,8 @@ sectionErr expr
 
 patSynErr :: HsExpr RdrName -> RnM (HsExpr Name, FreeVars)
 patSynErr e = do { addErr (sep [ptext (sLit "Pattern syntax in expression context:"),
-                                nest 4 (ppr e)])
+                                nest 4 (ppr e)] $$
+                           text "Did you mean to enable TypeApplications?")
                  ; return (EWildPat, emptyFVs) }
 
 badIpBinds :: Outputable a => SDoc -> a -> SDoc