/**
* Adds this pattern's listener to an event.
*
* @param DispatcherContract $dispatcher
* @param string $eventName
*/
public function bind(DispatcherContract $dispatcher, string $eventName)
{
if (isset($this->events[$eventName])) {
return;
}
$dispatcher->attach($eventName, $this->getListener(), $this->priority);
$this->events[$eventName] = true;
}
