Signal.Internal

newtype Signal (rw :: Row SCOPE) a

Constructors

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

Instances

• SignalScope Signal

subscribe :: forall a rw. Handler a -> Signal (read :: READ | rw) a -> Effect Unit

Add a subscribers to the set

subscribeLight :: forall a rw. Handler a -> Signal (read :: READ | rw) a -> Effect Unit

Subscribe without invoking an initial call of the handler

set :: forall a rw. a -> Signal (write :: WRITE | rw) a -> Effect Unit

Publish a message to the set of subscribers

get :: forall a rw. Signal (read :: READ | rw) a -> Effect a

Gets the last message published to the subscribers

clear :: forall a rw. Signal (read :: READ | rw) a -> Effect Unit

Removes all subscribers

make :: forall a. a -> Effect (Signal (read :: READ, write :: WRITE) a)

Create a signal with a starting value