[commit: haddock] ghc-head, ghc-head1, haddock-quick, ie_avails, wip/new-tree-one-param, wip/revert-ttg-2017-11-20, wip/ttg-2017-10-13, wip/ttg-2017-10-31, wip/ttg-2017-11-06, wip/ttg2-2017-11-10, wip/ttg3-2017-11-12, wip/ttg4-constraints-2017-11-13: Adapt to EnumSet (af9c09f)

[git at git.haskell.org]

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

On branches: ghc-head,ghc-head1,haddock-quick,ie_avails,wip/new-tree-one-param,wip/revert-ttg-2017-11-20,wip/ttg-2017-10-13,wip/ttg-2017-10-31,wip/ttg-2017-11-06,wip/ttg2-2017-11-10,wip/ttg3-2017-11-12,wip/ttg4-constraints-2017-11-13
Link       : http://git.haskell.org/haddock.git/commitdiff/af9c09feac6fbecc50140f3aac1bb58888addc63

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

commit af9c09feac6fbecc50140f3aac1bb58888addc63
Author: Ben Gamari <ben at smart-cactus.org>
Date:   Sun Mar 12 20:41:03 2017 -0400

    Adapt to EnumSet


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

af9c09feac6fbecc50140f3aac1bb58888addc63
 haddock-api/src/Haddock/Interface/LexParseRn.hs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/haddock-api/src/Haddock/Interface/LexParseRn.hs b/haddock-api/src/Haddock/Interface/LexParseRn.hs
index 4f6b2c0..608344a 100644
--- a/haddock-api/src/Haddock/Interface/LexParseRn.hs
+++ b/haddock-api/src/Haddock/Interface/LexParseRn.hs
@@ -31,6 +31,7 @@ import Haddock.Types
 import Name
 import Outputable ( showPpr )
 import RdrName
+import EnumSet
 import RnEnv (dataTcOccs)
 
 processDocStrings :: DynFlags -> GlobalRdrEnv -> [HsDocString]
@@ -67,7 +68,7 @@ processModuleHeader dflags gre safety mayStr = do
 
   let flags :: [LangExt.Extension]
       -- We remove the flags implied by the language setting and we display the language instead
-      flags = map toEnum (toList $ extensionFlags dflags) \\ languageExtensions (language dflags)
+      flags = EnumSet.toList (extensionFlags dflags) \\ languageExtensions (language dflags)
   return (hmi { hmi_safety = Just $ showPpr dflags safety
               , hmi_language = language dflags
               , hmi_extensions = flags