ref: c68f7b44d2527a78af7b5d661a9cddd253144ba9 dir: /lib/Data/Monoid.hs/
module Data.Monoid(module Data.Monoid) where import Primitives import Data.Semigroup class Semigroup a => Monoid a where mempty :: a mappend :: a -> a -> a mappend = (<>)