Safe Haskell	Safe
Language	Haskell2010

Data.Chatty.Fail

Description

Provides a monad for error handling. Okay, I confess it's equal to ErrorT... You should use that one.

Synopsis

Documentation

newtype FailT e m a Source #

The error handling monad.

Constructors

Fail
Fields runFailT :: m (Either e a)

Instances details

Monad m => MonadError e (FailT e m) Source #
Instance details Defined in Data.Chatty.Fail Methods throwError :: e -> FailT e m a # catchError :: FailT e m a -> (e -> FailT e m a) -> FailT e m a #
MonadTrans (FailT e) Source #
Instance details Defined in Data.Chatty.Fail Methods lift :: Monad m => m a -> FailT e m a #
Monad m => Monad (FailT e m) Source #
Instance details Defined in Data.Chatty.Fail Methods (>>=) :: FailT e m a -> (a -> FailT e m b) -> FailT e m b # (>>) :: FailT e m a -> FailT e m b -> FailT e m b # return :: a -> FailT e m a #
Monad m => Functor (FailT e m) Source #
Instance details Defined in Data.Chatty.Fail Methods fmap :: (a -> b) -> FailT e m a -> FailT e m b # (<$) :: a -> FailT e m b -> FailT e m a #
Monad m => Applicative (FailT e m) Source #
Instance details Defined in Data.Chatty.Fail Methods pure :: a -> FailT e m a # (<>) :: FailT e m (a -> b) -> FailT e m a -> FailT e m b # liftA2 :: (a -> b -> c) -> FailT e m a -> FailT e m b -> FailT e m c # (>) :: FailT e m a -> FailT e m b -> FailT e m b # (<*) :: FailT e m a -> FailT e m b -> FailT e m a #