PROGRAMMING LANGUAGE/C++
+연산자,cout <<오버로딩
JC0
2021. 11. 19. 21:45
#include <iostream>
using namespace std;
class MyClass
{
int num = 0;
public:
int Get()
{
return num;
}
void Set(int a)
{
num = a;
}
MyClass operator+ (MyClass y)
{
MyClass res;
res.num = this->num + y.num;
return res;
}
friend ostream& operator<<(ostream& os, const MyClass& obj);
};
ostream& operator<<(ostream& os, const MyClass& obj)
{
os << obj.num;
return os;
}
void main()
{
MyClass x;
x.Set(1);
MyClass y;
y.Set(2);
MyClass z = x.operator+(y);
cout << x + y << endl;
}