shithub: MicroHs

ref: 37df8d55b88a782f23bd86adf61f728a99ea015e
dir: /lib/Data/Monoid.hs/

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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