Method empty

core/base/EventDispatcher.cpp:132–136

}

bool EventDispatcher::EventListenerVector::empty() const
{
    return (_sceneGraphListeners == nullptr || _sceneGraphListeners->empty()) &&
           (_fixedListeners == nullptr || _fixedListeners->empty());
}

void EventDispatcher::EventListenerVector::emplace_back(EventListener* listener)
{