A minimal observable of state changes. For more information, see the observable proposal: https://github.com/tc39/proposal-observable
The minimal observable subscription method.
An object with an unsubscribe method that can be used to unsubscribe the observable from the store, and prevent further emission of values from the observable.
unsubscribe
Any object that can be used as an observer. The observer object should have a next method.
next
A minimal observable of state changes. For more information, see the observable proposal: https://github.com/tc39/proposal-observable