使用双重分发设置新屏幕。

Set up the new screen using Double dispatch.

youdao

几天前在实际生活中我意外地得到了双重分发模式的一个演示。

I got an unexpected demonstration of the double dispatch pattern in real life the other day.

youdao

我们可以使用称为双重分发的模式将变化推入子类中，通过这种方式，我们不需要破坏现有的接口定义。

We can use a pattern called Double Dispatch to pull out the variation into the subclasses in such a way that we don't break existing interface contracts.

youdao