//----------------------------------------------------------------
//
// overload.cpp
//
// A program that overloads an operator.
//
// written by: Simon Parsons
// modified  : 30th April 2010
//
//----------------------------------------------------------------

#include <iostream>
using namespace std;

//----------------------------------------------------------------
//
// person

// The class person has data about a human being
 
class person {

private:
  string first_name;
  string second_name;
  int    age;

public:

  person(string, string, int);
  void print();

  // An overloaded operator
  bool operator>(person);
}; 
 
// Constructor

person::person(string first, string last, int age){
  first_name = first;
  second_name = last;
  this->age = age;
}

void person::print(){
  cout << first_name << " " << second_name << endl;
}

bool person::operator>(person p){
  if (this->age > p.age){
    return true;
  }
  else {
    return false;
  }
}

// End of person

person older(person a, person b){
  if (a > b){
    return a;
  }
  else {
    return b;
  }
}

//----------------------------------------------------------------
//
// Main program

// This creates two instances of person, prints them out, finds the 
// older and prints that one out again.

int main() {
  person harry("harry", "potter", 12);
  person hermie("hermionie","granger", 13);

  harry.print();
  hermie.print();

  cout << "The older of the two is: ";
  older(harry,hermie).print();

} 

// end of main()