stateref-0.3: Abstraction for things that work like IORef.

Safe Haskell	Safe
Language	Haskell98

Data.Accessor

Documentation

newtype Getter m a #

Constructors

Getter (m a)

Instances

Monad m => ReadRef (Getter m a) m a #
Methods readReference :: Getter m a -> m a #

newtype Setter m a #

Constructors

Setter (a -> m ())

Instances

Monad m => WriteRef (Setter m a) m a #
Methods writeReference :: Setter m a -> a -> m () #

newtype Accessor m a #

Constructors

Accessor (Getter m a, Setter m a)

Instances

Monad m => ReadRef (Accessor m a) m a #
Methods readReference :: Accessor m a -> m a #
Monad m => WriteRef (Accessor m a) m a #
Methods writeReference :: Accessor m a -> a -> m () #