ignoreElements method
Creates a Stream where all emitted items are ignored, only the error / completed notifications are passed
ReactiveX doc Interactive marble diagram
Example
MergeStream([
Stream.fromIterable([1]),
Stream<int>.error(Exception())
])
.ignoreElements()
.listen(print, onError: print); // prints Exception
Implementation
Stream<Never> ignoreElements() =>
IgnoreElementsStreamTransformer<T>().bind(this);