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

Portabilitynon-portable (type families)
Stabilityexperimental
Maintainerross@soi.city.ac.uk
Safe HaskellSafe-Inferred

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 Source

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)