shithub: MicroHs

ref: f529ba311b62096849a41cbed34df3ad4f84c622
dir: /lib/Control/Monad/Fail.hs/

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module Control.Monad.Fail(MonadFail(..)) where
import Primitives
import Control.Applicative
import Control.Error
import Control.Monad
import Data.Char
import Data.List_Type

class Monad m => MonadFail m where
  fail :: forall a . String -> m a
  fail = error

instance MonadFail [] where
  fail _ = []