observable_empty

Immediately completes.

See Also

• CreateObservable - Define your own function that will interact with the subscriber!
• DeferredObservable - Subscribes to an observable returned by a function.
• JustObservable - Immediately emits a single value!
• ThrowObservable - Immediately errors!
• ClosedObservable - Immediately unsubscribes!
• NeverObservable - Never emits, never unsubscribes! Only once dropped!

Example

cargo run -p rx_core --example observable_empty_example

let _subscription = empty().subscribe(PrintObserver::new("empty"));

Output:

empty - completed
empty - unsubscribed