ref: 44dc3008bc938e223f0d4c9a44a1f48f9a1448a7
dir: /lib/Data/Monoid.hs/
module Data.Monoid(module Data.Monoid) where import Primitives import Data.List_Type import Data.Semigroup class Semigroup a => Monoid a where mempty :: a mappend :: a -> a -> a mappend = (<>) mconcat :: [a] -> a mconcat [] = mempty mconcat (a:as) = a <> mconcat as