Interface Subscribable

A helper class that can be used to get and subscribe to updates on a value.

Signature

interface Subscribable<T>

Type parameters

Name Optional Constraint Default
T No

Method signatures

Name Description
get()
subscribe(callback) Allows a callback to be added. This callback will be called whenever the value is updated.
unsubscribe(callback) Removes the callback from the list of subscribers. The original callback instance must be passed in as an argument.