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Control.Monad.RWS.Class

Portability | non-portable (multi-param classes, functional dependencies)
Stability | experimental
Maintainer | libraries@haskell.org

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 w, MonadReader r m, MonadWriter w m, MonadState s m) => MonadRWS r w s m | m -> r, m -> w, m -> s | Source

Instances

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

module Control.Monad.Reader.Class
module Control.Monad.State.Class
module Control.Monad.Writer.Class
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