更新时间:2022-06-08 10:47:14
我认为您应该选择选项 1,但改用静态转换.毕竟派生集合肯定知道成员变量的类型.
I think you should go for option 1 but use a static cast instead. After all the derived collection knows the type of the member variable for sure.
这个答案很好地解释了它.
正确的设计模式来处理对象的多态集合