| public defaultIfEmpty ( rx\ObservableInterface $observable ) : Rx\Observable\AnonymousObservable | ||
| $observable | rx\ObservableInterface | |
| return | Rx\Observable\AnonymousObservable | |
public function defaultIfEmpty(ObservableInterface $observable)
{
return $this->lift(function () use($observable) {
return new DefaultIfEmptyOperator($observable);
});
}