ref: d4dea2defccb349c3a6833bcd10ebf16c6cea49d
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