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

void f(base b);
void g(const base *b);
void h(const base& b);

int main()
{
	derived d(10, 20, 30, 40);

	f(d);
	cout << "\n";
	g(&d);
	h(d);

	return EXIT_SUCCESS;
}

void f(base b)
{
	b.print();
	cout << "\n";
}

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

void h(const base& r)   //same function; this time, argument is a reference
{
	r.print();
	cout << "\n";
}