@@ -1,4 +1,4 @@
1−{-# LANGUAGE BangPatterns, GeneralizedNewtypeDeriving, OverloadedStrings,
1+{-# LANGUAGE CPP, BangPatterns, GeneralizedNewtypeDeriving, OverloadedStrings,
22 Rank2Types, RecordWildCards, TypeFamilies #-}
33-- |
44-- Module : Data.Attoparsec.Internal.Types
@@ -136,8 +136,10 @@ instance Mon.Monoid More where
136136 mempty = Incomplete
137137
138138instance Monad (Parser i) where
139+#if !(MIN_VERSION_base(4,13,0))
139140 fail = Fail.fail
140141 {-# INLINE fail #-}
142+#endif
141143
142144 return = App.pure
143145 {-# INLINE return #-}