Operator Overloading in struct

Question

Suppose I define this structure:

struct Point {
   double x, y;
};

How can I overload the + operator so that, declared,

Answer 1

In C++ there's only one difference between a struct and a class: in a struct the default visibility is public while in a class it is private.

Other than that you can do anything you would do in a class in a struct and it will look exactly the same.

Write operator overloading in a struct as you would in a class.