C++/Overload/Comma

Operator overload: comma operator

<source lang="cpp">

1. include <iostream>

using namespace std; class location {

 int longitude, latitude;

public:

 location() {}
 location(int lg, int lt) {
   longitude = lg;
   latitude = lt;
 }
 void show() {
   cout << longitude << " ";
   cout << latitude << endl;
 }
 location operator+(location op2);
 location operator,(location op2);

}; location location::operator,(location op2) {

 location temp;
 temp.longitude = op2.longitude;
 temp.latitude = op2.latitude;
 cout << op2.longitude << " " << op2.latitude << endl;
 return temp;

} location location::operator+(location op2) {

 location temp;
 temp.longitude = op2.longitude + longitude;
 temp.latitude = op2.latitude + latitude;
 return temp;

} int main() {

 location object1(10, 20), 
          object2( 5, 30), 
          object3(1, 1);
 object1.show();
 object2.show();
 object3.show();
 cout << endl;
 object1 = (object1, object2+object2, object3);
 object1.show();                            
 return 0;

}

      </source>