on<T> method
注册事件
Implementation
EventSubscription<T> on <T>(){
_mainMap[typeOf<T>()] ??= new Map<int,dynamic>();
return new EventSubscription<T>(map:_mainMap[typeOf<T>()] as Map<int,dynamic> );
}
注册事件
EventSubscription<T> on <T>(){
_mainMap[typeOf<T>()] ??= new Map<int,dynamic>();
return new EventSubscription<T>(map:_mainMap[typeOf<T>()] as Map<int,dynamic> );
}