mtl-tf-0.1: Monad transformer library using type families

Portabilitynon-portable (multi-param classes, functional dependencies)
Stabilityexperimental
Maintainerlibraries@haskell.org

Control.Monad.RWS.Class

Description

Declaration of the MonadRWS class.

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

Documentation

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

Instances

(Error e, Monoid (WriterType m), MonadRWS m) => MonadRWS (ErrorT e m) 
Monoid w => MonadRWS (RWS r w s) 
Monoid w => MonadRWS (RWS r w s) 
(Monoid w, Monad m) => MonadRWS (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