Пример #1
0
 public override void VisitConcreteElementA(ConcreteElementA concreteElementA)
 {
     Console.WriteLine($"{concreteElementA.GetType().Name}被{this.GetType().Name}访问");
 }
Пример #2
0
 public abstract void VisitConcreteElementA(ConcreteElementA concreteElementA);