ModuleStateVar-1.2.2

Data.StateVar

Synopsis

value($=!) :: (HasSetter t a, MonadIO m) => t -> a -> m ()

valuemakeGettableStateVar :: IO a -> GettableStateVar a

valuemakeSettableStateVar :: (a -> IO ()) -> SettableStateVar a

valuemakeStateVar :: IO a -> (a -> IO ()) -> StateVar a

valuemapStateVar :: (b -> a) -> (a -> b) -> StateVar a -> StateVar b

typetype GettableStateVar = IO

classclass HasGetter t a | t -> a where

Instances7HasGetter, …

HasGetter (StateVar a) aDefined in StateVar-1.2.2 · Data.StateVar
HasGetter (IORef a) aDefined in StateVar-1.2.2 · Data.StateVar
HasGetter (STM a) aDefined in StateVar-1.2.2 · Data.StateVar
HasGetter (TVar a) aDefined in StateVar-1.2.2 · Data.StateVar
HasGetter (IO a) aDefined in StateVar-1.2.2 · Data.StateVar
Storable a => HasGetter (ForeignPtr a) aDefined in StateVar-1.2.2 · Data.StateVar
Storable a => HasGetter (Ptr a) aDefined in StateVar-1.2.2 · Data.StateVar

classclass HasSetter t a | t -> a where

Instances6HasSetter

HasSetter (SettableStateVar a) aDefined in StateVar-1.2.2 · Data.StateVar
HasSetter (StateVar a) aDefined in StateVar-1.2.2 · Data.StateVar
HasSetter (IORef a) aDefined in StateVar-1.2.2 · Data.StateVar
HasSetter (TVar a) aDefined in StateVar-1.2.2 · Data.StateVar
Storable a => HasSetter (ForeignPtr a) aDefined in StateVar-1.2.2 · Data.StateVar
Storable a => HasSetter (Ptr a) aDefined in StateVar-1.2.2 · Data.StateVar

classclass HasSetter t b => HasUpdate t a b | t -> a b where

Instances5HasUpdate

HasUpdate (StateVar a) a aDefined in StateVar-1.2.2 · Data.StateVar
HasUpdate (IORef a) a aDefined in StateVar-1.2.2 · Data.StateVar
HasUpdate (TVar a) a aDefined in StateVar-1.2.2 · Data.StateVar
Storable a => HasUpdate (ForeignPtr a) a aDefined in StateVar-1.2.2 · Data.StateVar
Storable a => HasUpdate (Ptr a) a aDefined in StateVar-1.2.2 · Data.StateVar

newtypenewtype SettableStateVar a

Instances2Contravariant, HasSetter

datadata StateVar a

Instances3HasGetter, HasSetter, HasUpdate