functor include

This commit is contained in:
Stephen Diehl
2016-04-13 17:09:10 -04:00
parent cbaa117b8a
commit 76bc617db9
+1
View File
@@ -13,6 +13,7 @@ import Data.Maybe (Maybe(..))
import Data.Ord (Ord, comparing)
import Data.Foldable (Foldable, foldr)
import Data.Function ((.))
import Data.Functor (fmap)
import Control.Monad (return)
import qualified Data.Set as Set