throwError function

Observable<Never> throwError(
  1. Object error, {
  2. StackTrace? stackTrace,
  3. Scheduler? scheduler,
})

An Observable that emits no items and immediately throws an error.

Implementation

Observable<Never> throwError(
  Object error, {
  StackTrace? stackTrace,
  Scheduler? scheduler,
}) => ThrowErrorObservable(
  error,
  stackTrace ?? StackTrace.current,
  scheduler ?? const ImmediateScheduler(),
);