Signal.Internal

newtype Signal (rw :: Row SCOPE) (eff :: Row Effect) a

Constructors

• Signal { subscribers :: Ref (Array (a -> Eff eff Unit)), value :: Ref a }

Instances

• SignalScope Signal

subscribe :: forall a rw eff. (a -> Eff (ref :: REF | eff) Unit) -> Signal (read :: READ | rw) (ref :: REF | eff) a -> Eff (ref :: REF | eff) Unit

Add a subscribers to the set

subscribeLight :: forall a rw eff. (a -> Eff (ref :: REF | eff) Unit) -> Signal (read :: READ | rw) (ref :: REF | eff) a -> Eff (ref :: REF | eff) Unit

set :: forall a rw eff. a -> Signal (write :: WRITE | rw) (ref :: REF | eff) a -> Eff (ref :: REF | eff) Unit

Publish a message to the set of subscribers

get :: forall a rw eff. Signal (read :: READ | rw) (ref :: REF | eff) a -> Eff (ref :: REF | eff) a

Gets the last message published to the subscribers

clear :: forall a rw eff. Signal (read :: READ | rw) (ref :: REF | eff) a -> Eff (ref :: REF | eff) Unit

Removes all subscribers

make :: forall a eff. a -> Eff (ref :: REF | eff) (Signal (read :: READ, write :: WRITE) (ref :: REF | eff) a)

Create a signal with a starting value