Control.Monad.RWS.Class

monads-tf-0.1.0.2: Monad classes, using type families

Copyright | (c) Andy Gill 2001, (c) Oregon Graduate Institute of Science and Technology, 2001
License | BSD-style (see the file LICENSE)
Maintainer | ross@soi.city.ac.uk
Stability | experimental
Portability | non-portable (type families)
Safe Haskell | Safe
Language | Haskell98

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://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

MonadRWS m => MonadRWS (MaybeT m) |
MonadRWS m => MonadRWS (IdentityT m) |
(Error e, MonadRWS m) => MonadRWS (ErrorT e m) |
(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