Conditionally import 'Semigroup'
commitca0eb49fdd4cf3663d395934b82581a47e5f8051
authorAlexandre Esteves <alexandre.fmp.esteves@gmail.com>
dateSun 24 Feb 2019, 01:37 (8 years ago)
parente6daaba
src/Reflex/FunctorMaybe.hs+2
@@ -13,7 +13,9 @@ import qualified Data.IntMap as IntMap
1313import Data.Map (Map)
1414import qualified Data.Map as Map
1515import Data.Maybe
16+#if MIN_VERSION_base(4,9,0)
1617import Data.Semigroup (Option(..))
18+#endif
1719
1820--TODO: See if there's a better class in the standard libraries already
1921