Mega Code Archive
+ is overloaded for Point + int
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#include <iostream>
using namespace std;
class Point {
int x, y;
public:
Point() {}
Point(int px, int py) {
x = px;
y = py;
}
void show() {
cout << x << " ";
cout << y << "\n";
}
friend Point operator+(Point op1, int op2);
friend Point operator+(int op1, Point op2);
};
// + is overloaded for Point + int.
Point operator+(Point op1, int op2)
{
Point temp;
temp.x = op1.x + op2;
temp.y = op1.y + op2;
return temp;
}
// + is overloaded for int + Point.
Point operator+(int op1, Point op2)
{
Point temp;
temp.x = op1 + op2.x;
temp.y = op1 + op2.y;
return temp;
}
int main()
{
Point ob1(10, 20), ob2( 5, 30), ob3(7, 14);
ob1.show();
ob2.show();
ob3.show();
ob1 = ob2 + 10; // both of these
ob3 = 10 + ob2; // are valid
ob1.show();
ob3.show();
return 0;
}
10 20
5 30
7 14
15 40
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