never(T = Any)
Creation operator for the
NeverObservable that emits neither values nor errors nor the completion notification. It can be used for testing purposes or for composing with other Observables. Please note that by never emitting a complete notification, this Observable keeps the subscription from being disposed automatically. Subscriptions need to be manually disposed.
T: Type of Observable data, optional,
Anyis the default
using Rocket source = never() subscribe!(source, logger()) ; # output
An Observable that emits no items to the Observer and never completes.
D: Type of Observable data