C++ Tutorial/Operator Overloading/overload address of operator
Overload & operator
#include <iostream>
using namespace std;
class Point {
int a[3];
public:
Point(int i, int j, int k) {
a[0] = i;
a[1] = j;
a[2] = k;
}
int &operator[](int i) { return a[i]; }
};
int main()
{
Point ob(1, 2, 3);
cout << ob[1]; // displays 2
cout << " ";
ob[1] = 25; // [] on left of =
cout << ob[1]; // now displays 25
return 0;
}10 10"
