Control.Monad.RWS.Class

Declaration of the MonadRWS class.

Inspired by the paper /Functional Programming with Overloading and Higher-Order Polymorphism/, Mark P Jones (http://web.cecs.pdx.edu/~mpj/) Advanced School of Functional Programming, 1995.

Documentation

class (Monoid (WriterType m), MonadReader m, MonadWriter m, MonadState m) => MonadRWS m

Instances

(Monoid (WriterType (MaybeT m)), MonadReader (MaybeT m), MonadWriter (MaybeT m), MonadState (MaybeT m), MonadRWS m) => MonadRWS (MaybeT m)

(Monoid (WriterType (IdentityT m)), MonadReader (IdentityT m), MonadWriter (IdentityT m), MonadState (IdentityT m), MonadRWS m) => MonadRWS (IdentityT m)

(Monoid (WriterType (ErrorT e m)), MonadReader (ErrorT e m), MonadWriter (ErrorT e m), MonadState (ErrorT e m), Error e, MonadRWS m) => MonadRWS (ErrorT e m)

(Monoid (WriterType (RWST r w s m)), MonadReader (RWST r w s m), MonadWriter (RWST r w s m), MonadState (RWST r w s m), Monoid w, Monad m) => MonadRWS (RWST r w s m)

(Monoid (WriterType (RWST r w s m)), MonadReader (RWST r w s m), MonadWriter (RWST r w s m), MonadState (RWST r w s m), Monoid w, Monad m) => MonadRWS (RWST r w s m)

module Control.Monad.Reader.Class

module Control.Monad.State.Class

module Control.Monad.Writer.Class