registerListener<T extends Event> method Null safety

void registerListener<T extends Event>(
  1. EventListener<T> listener,
  2. Component component,
  3. [int? priority]
)

Implementation

void registerListener<T extends Event>(
    EventListener<T> listener, Component component,
    [int? priority]) {
  _retrieveListeners(listener.getType())
    ..add(_ListenerReference<T>(
        listener, component, priority ?? component.priority))
    ..sort();
}