7.cpp

#include <iostream>
using namespace std;
class loc {
    int longitude, latitude;
    public:
    loc() {}
    loc(int lg, int lt) {
        longitude = lg;
        latitude = lt;
    }
    void show() {
        cout << longitude << " ";
        cout << latitude << "\n";
    }
    loc operator+(loc op2);
    loc operator,(loc op2);
};
// overload comma for loc
loc loc::operator,(loc op2)
{
	cout << "Overloaded Comma\n";
    loc temp;
    temp.longitude = op2.longitude;
    temp.latitude = op2.latitude;
    cout << op2.longitude << " " << op2.latitude << "\n";
    return temp;
}
// Overload + for loc
loc loc::operator+(loc op2)
{
	cout << "Overloaded Plus\n";
    loc temp;
    temp.longitude = op2.longitude + longitude;
    temp.latitude = op2.latitude + latitude;
    return temp;
}
int main()
{
	int x, y;
	x = (y=3, y+1);	//parantheses necessary
	cout << "x = " << x << endl;
    loc ob1(10, 20), ob2( 5, 30), ob3(1, 1);
    ob1.show();
    ob2.show();
    ob3.show();
    cout << "\n";
    ob1 = (ob1, ob2+ob2, ob3);
    ob1.show(); // displays 1 1, the value of ob3
    return 0;
}