Safe Haskell	None
Language	Haskell2010

Bluefin.State

Contents

Description

This is an old interface and will be deprecated in the future. You are encouraged to use Bluefin.Capability.Modify instead.

Synopsis

data State s (e :: Effects)
evalState :: forall s (es :: Effects) a. s -> (forall (e :: Effects). State s e -> Eff (e :& es) a) -> Eff es a
runState :: forall s (es :: Effects) a. s -> (forall (e :: Effects). State s e -> Eff (e :& es) a) -> Eff es (a, s)
withState :: forall s (es :: Effects) a. s -> (forall (e :: Effects). State s e -> Eff (e :& es) (s -> a)) -> Eff es a
get :: forall (e :: Effects) (es :: Effects) s. e <: es => State s e -> Eff es s
put :: forall (e :: Effects) (es :: Effects) s. e <: es => State s e -> s -> Eff es ()
modify :: forall (e :: Effects) (es :: Effects) s. e <: es => State s e -> (s -> s) -> Eff es ()

Handle

data State s (e :: Effects) #

Instances details

e <: es => OneWayCoercible (State s e :: Type) (State s es :: Type)
Instance details Defined in Bluefin.Internal Methods oneWayCoercibleImpl :: OneWayCoercibleD (State s e) (State s es) #
Handle (State s)
Instance details Defined in Bluefin.Internal Methods handleImpl :: HandleD (State s) #
CloneableHandle (State s)
Instance details Defined in Bluefin.Internal.CloneableHandle Methods cloneableHandleImpl :: CloneableHandleD (State s)

Handlers

evalState :: forall s (es :: Effects) a. s -> (forall (e :: Effects). State s e -> Eff (e :& es) a) -> Eff es a #

runState :: forall s (es :: Effects) a. s -> (forall (e :: Effects). State s e -> Eff (e :& es) a) -> Eff es (a, s) #

withState :: forall s (es :: Effects) a. s -> (forall (e :: Effects). State s e -> Eff (e :& es) (s -> a)) -> Eff es a #

get :: forall (e :: Effects) (es :: Effects) s. e <: es => State s e -> Eff es s #

put :: forall (e :: Effects) (es :: Effects) s. e <: es => State s e -> s -> Eff es () #

modify :: forall (e :: Effects) (es :: Effects) s. e <: es => State s e -> (s -> s) -> Eff es () #