Safe Haskell	Safe
Language	Haskell98

Control.Arrow.State.Class

Documentation

class Arrow r => ArrowState s r | r -> s where Source #

Minimal complete definition

Methods

get :: r () s Source #

put :: r s () Source #

Instances

(Arrow r, ArrowTransformer xT, Arrow (xT (StateT s r))) => ArrowState s (xT (StateT s r)) Source #
Methods get :: xT (StateT s r) () s Source # put :: xT (StateT s r) s () Source #
Arrow r => ArrowState s (StateT s r) Source #
Methods get :: StateT s r () s Source # put :: StateT s r s () Source #

gets :: ArrowState s r => (s -> a) -> r () a Source #

set :: ArrowState s r => (s -> s) -> r a a Source #