Cabal-syntax-3.12.0.0: A library for working with .cabal files
Safe HaskellSafe-Inferred
LanguageHaskell2010

Distribution.Compat.MonadFail

Description

Compatibility layer for Control.Monad.Fail

Documentation

class Monad m => MonadFail (m :: Type -> Type) where #

Methods

fail :: String -> m a #

Instances

Instances details
MonadFail ParsecParser Source # 
Instance details

Defined in Distribution.Parsec

Methods

fail :: String -> ParsecParser a #

MonadFail Get 
Instance details

Defined in Data.Binary.Get.Internal

Methods

fail :: String -> Get a #

MonadFail P 
Instance details

Defined in GHC.Internal.Text.ParserCombinators.ReadP

Methods

fail :: String -> P a #

MonadFail ReadP 
Instance details

Defined in GHC.Internal.Text.ParserCombinators.ReadP

Methods

fail :: String -> ReadP a #

MonadFail ReadPrec 
Instance details

Defined in GHC.Internal.Text.ParserCombinators.ReadPrec

Methods

fail :: String -> ReadPrec a #

MonadFail IO 
Instance details

Defined in GHC.Internal.Control.Monad.Fail

Methods

fail :: String -> IO a #

MonadFail Q 
Instance details

Defined in Language.Haskell.TH.Syntax

Methods

fail :: String -> Q a #

MonadFail Maybe 
Instance details

Defined in GHC.Internal.Control.Monad.Fail

Methods

fail :: String -> Maybe a #

MonadFail [] 
Instance details

Defined in GHC.Internal.Control.Monad.Fail

Methods

fail :: String -> [a] #

Monad m => MonadFail (MaybeT m) 
Instance details

Defined in Control.Monad.Trans.Maybe

Methods

fail :: String -> MaybeT m a #

MonadFail f => MonadFail (Ap f) 
Instance details

Defined in GHC.Internal.Data.Monoid

Methods

fail :: String -> Ap f a #

(Monoid w, MonadFail m) => MonadFail (AccumT w m) 
Instance details

Defined in Control.Monad.Trans.Accum

Methods

fail :: String -> AccumT w m a #

MonadFail m => MonadFail (ExceptT e m) 
Instance details

Defined in Control.Monad.Trans.Except

Methods

fail :: String -> ExceptT e m a #

MonadFail m => MonadFail (IdentityT m) 
Instance details

Defined in Control.Monad.Trans.Identity

Methods

fail :: String -> IdentityT m a #

MonadFail m => MonadFail (ReaderT r m) 
Instance details

Defined in Control.Monad.Trans.Reader

Methods

fail :: String -> ReaderT r m a #

MonadFail m => MonadFail (SelectT r m) 
Instance details

Defined in Control.Monad.Trans.Select

Methods

fail :: String -> SelectT r m a #

MonadFail m => MonadFail (StateT s m) 
Instance details

Defined in Control.Monad.Trans.State.Lazy

Methods

fail :: String -> StateT s m a #

MonadFail m => MonadFail (StateT s m) 
Instance details

Defined in Control.Monad.Trans.State.Strict

Methods

fail :: String -> StateT s m a #

MonadFail m => MonadFail (WriterT w m) 
Instance details

Defined in Control.Monad.Trans.Writer.CPS

Methods

fail :: String -> WriterT w m a #

(Monoid w, MonadFail m) => MonadFail (WriterT w m) 
Instance details

Defined in Control.Monad.Trans.Writer.Lazy

Methods

fail :: String -> WriterT w m a #

(Monoid w, MonadFail m) => MonadFail (WriterT w m) 
Instance details

Defined in Control.Monad.Trans.Writer.Strict

Methods

fail :: String -> WriterT w m a #

MonadFail m => MonadFail (Reverse m) 
Instance details

Defined in Data.Functor.Reverse

Methods

fail :: String -> Reverse m a #

MonadFail (ParsecT s u m)

Since: parsec-3.1.12.0

Instance details

Defined in Text.Parsec.Prim

Methods

fail :: String -> ParsecT s u m a #

MonadFail m => MonadFail (ContT r m) 
Instance details

Defined in Control.Monad.Trans.Cont

Methods

fail :: String -> ContT r m a #

MonadFail m => MonadFail (RWST r w s m) 
Instance details

Defined in Control.Monad.Trans.RWS.CPS

Methods

fail :: String -> RWST r w s m a #

(Monoid w, MonadFail m) => MonadFail (RWST r w s m) 
Instance details

Defined in Control.Monad.Trans.RWS.Lazy

Methods

fail :: String -> RWST r w s m a #

(Monoid w, MonadFail m) => MonadFail (RWST r w s m) 
Instance details

Defined in Control.Monad.Trans.RWS.Strict

Methods

fail :: String -> RWST r w s m a #