{-# LANGUAGE CPP #-}
module Set ( Set, member, empty, insert ) where
import Data.Set
#if defined(__GLASGOW_HASKELL__) && __GLASGOW_HASKELL__ < 603
member :: Ord a => a -> Set a -> Bool
member = elementOf
empty :: Set a
empty = emptySet
insert :: Ord a => a -> Set a -> Set a
insert = flip addToSet
#endif