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

int main()
{
	const date today;

	date nextWeek;
	nextWeek.next(7);

	//const int n {nextWeek.distance(today)}; //member function
	const int n {distance(nextWeek, today)};  //friend function

	cout << "The distance from ";
	today.print();
	cout << " to ";
	nextWeek.print();
	cout << " is " << n << " days.\n";

	return EXIT_SUCCESS;
}