/**
* @param \Rx\ObservableInterface $observable
* @param \Rx\ObserverInterface $observer
* @param \Rx\SchedulerInterface $scheduler
* @return \Rx\DisposableInterface
*/
public function __invoke(ObservableInterface $observable, ObserverInterface $observer, SchedulerInterface $scheduler = null)
{
$factory = $this->factory;
try {
$result = $factory();
return $result->subscribe($observer);
} catch (\Exception $e) {
return BaseObservable::error($e)->subscribe($observer);
}
}
