// This example overloads the = operator
// It also demonstrates the use of "this"

#include <iostream>

using namespace std;

 class Person
 {
  private:
     int *itsAge;
     int *itsWeight;
       
  public:
     Person(); // default constructor
     int GetAge() const { return *itsAge; }
     int GetWeight() const { return *itsWeight; }
     void SetAge(int age) { *itsAge = age; }
     Person operator=(const Person &); // overloads = operator
 };
 
 Person::Person() // implement the default constructor
 {
     itsAge = new int;
     itsWeight = new int;
     *itsAge = 5;
     *itsWeight = 9;
 }
 
 Person Person::operator=(const Person &obj)
 {
     if (this == &obj) // if the objects are the same objects
         return *this;
         
     delete itsAge;
     delete itsWeight;
     
     itsAge = new int;
     itsWeight = new int;
     
     *itsAge = obj.GetAge();
     *itsWeight = obj.GetWeight();
     
     return *this;
 }
 
 
 int main()
 {
     Person myPerson;
     cout << "myPerson's age: " << myPerson.GetAge() << endl;
     cout << "Setting myPerson to 6...\n";
     myPerson.SetAge(6);
     Person anotherPerson;
     cout << "AnotherPerson's age = " << anotherPerson.GetAge() << endl;
     cout << "copying myPerson to anotherPerson...\n";
     anotherPerson = myPerson;
     cout << "anotherPerson's age = " << anotherPerson.GetAge() << endl;
     getchar();
     return 0;
 }