ref: 78b1feedbdfa6aa114bdcd7436aa9eb6a5be5d1d
dir: /lib/Data/Semigroup.hs/
module Data.Semigroup( module Data.Monoid, ) where import Prelude() -- do not import Prelude import Data.Monoid hiding(Monoid(..)) -- Data.Monoid contains the definition of Semigroup