#include <iostream>
#include <cstdlib>
#include "base.h"
#include "derived.h"
using namespace std;

void f(const base *p);
void g(const base& r);

int main()
{
	base b(10, 20);
	derived d(30, 40, 50, 60);

	f(&b);
	f(&d);

	cout << "\n";

	g(b);
	g(d);

	return EXIT_SUCCESS;
}

void f(const base *p)
{
	p->print();
	cout << "\n";
}

void g(const base& r)   //same function, but with a reference argument
{
	r.print();
	cout << "\n";
}