Control.Monad.Trans.Conts

Cont r ~ Contravariant.Adjoint (Op r) (Op r)
Conts r ~ Contravariant.AdjointT (Op r) (Op r)
ContsT r w m ~ Contravariant.AdjointT (Op (m r)) (Op (m r)) w

Continuation passing style

type Cont r = ContsT r Identity Identity

cont :: ((a -> r) -> r) -> Cont r a

runCont :: Cont r a -> (a -> r) -> r

Multiple-continuation passing style

type Conts r w = ContsT r w Identity

runConts :: Functor w => Conts r w a -> w (a -> r) -> r

conts :: Functor w => (w (a -> r) -> r) -> Conts r w a

Multiple-continuation passing style transformer

newtype ContsT r w m a

Constructors

ContsT

Fields

runContsT :: w (a -> m r) -> m r

Instances

Comonad w => MonadTrans (ContsT r w)

Comonad w => Monad (ContsT r w m)

Functor w => Functor (ContsT r w m)

Comonad w => Applicative (ContsT r w m)

Comonad w => Apply (ContsT r w m)

callCC :: Comonad w => ((a -> ContsT r w m b) -> ContsT r w m a) -> ContsT r w m a