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

derived::derived()
{
	cout << "default construct derived ";
	print();
	cout << "\n";
}

derived::derived(int initial_o1, int initial_o2, int initial_o3, int initial_o4)
	: base(initial_o1, initial_o2), o3(initial_o3), o4(initial_o4)
{
	cout << "construct derived ";
	print();
	cout << "\n";
}

derived::~derived()
{
	cout << "destruct derived ";
	print();
	cout << "\n";
}

/*
void derived::print() const
{
	o1.print();   //won't compile, because o1 is private member of class base
	cout << ", ";
	o2.print();
	cout << ", ";
	o3.print();
	cout << ", ";
	o4.print();
}
*/

void derived::print() const
{
	base::print();   //will compile, because print is a public member of class base
	cout << ", ";
	o3.print();
	cout << ", ";
	o4.print();
}