新运算符——创建委托实现类的实例。

New operator — creates an instance of the delegate implementation class.

youdao

还要注意在创建类实例时没有声明、也没有new运算符。

Also notice the lack of declarations and the lack of a new operator when creating class instances.

youdao

现在，尝试为类a使用一个复制结构和运算符赋值，在清单15中声明该类。

Now, try using a copy construction and operator assignment for class a, declared in Listing 15.

youdao