|
#include <iostream>
|
|
|
|
class A
|
|
{
|
|
public:
|
|
virtual int operator + (int rhs) {return rhs;}
|
|
};
|
|
|
|
class B : public A
|
|
{
|
|
public:
|
|
int operator + (int) override {return 999;}
|
|
};
|
|
|
|
void print(A &a)
|
|
{
|
|
std::cout << a + 5 << std::endl;
|
|
}
|
|
|
|
int main()
|
|
{
|
|
A a;
|
|
B b;
|
|
|
|
print(a);
|
|
print(b);
|
|
}
|