droppable<Event> function
EventTransformer<Event>
droppable<Event>()
Process only one event and ignore (drop) any new events until the current event is done.
Note: dropped events never trigger the event handler.
Implementation
EventTransformer<Event> droppable<Event>() {
return (events, mapper) {
return events.transform(_ExhaustMapStreamTransformer(mapper));
};
}