concatWith method
inherited
Returns an Observable that emits all items from the current Observable, then emits all items from the given observable, one after the next.
Example
new Observable.timer(1, new Duration(seconds: 10))
.concatWith([new Observable.just(2)])
.listen(print); // prints 1, 2
Implementation
Observable<T> concatWith(Iterable<Stream<T>> other) =>
Observable<T>(ConcatStream<T>(<Stream<T>>[_stream]..addAll(other)));