编译器是否提供地址运算符？

Question

"How many functions does compiler implement for us if we don't define one?", I think that there are only 4 :

• default ctor

• copy ctor

• assignment operator

• default destructor

But someone says that there are still one or more default functions: address operator and address operator for const object ,is this right?

Answer 1

No, the address operator is not implicitly overloaded for a class type. If you don't overload it, then the built-in operator can be applied to objects of that type, just as it can be applied to any object or function.

Note that in modern C++, you can add "move constructor" and "move-assignment operator" to your list.