#ifndef LIB1H
#define LIB1H
#include <iostream>
using namespace std;

namespace lib1 {
	extern int x;
	void f();

	class date {
		int year;
		int month;
		int day;
	public:
		date() {cout << "lib1::date::date, x == " << x << "\n";}
		void print() const;
	};                         //semicolon at end of class declaration
}                              //no semicolon at end of namespace
#endif