// Fig. 8.6: date.h
// Definition of class Date
#ifndef DATE_H
#define DATE_H
#include <iostream>
using namespace std;

class Date {
   // costretti a definire operatore << tramite funzione friend
   // per mancanza di metodi di lettura ...
   friend ostream & operator<<( ostream &, const Date & );

public:
   Date( int m = 1, int d = 1, int y = 1900 ); // constructor
   void setDate( int, int, int );  // set the date
   Date & operator++();            // preincrement operator
   Date operator++( int );         // postincrement operator
   const Date & operator+=( int ); // add days, modify object
   bool leapYear( int ) const;     // is this a leap year?
   bool endOfMonth( int ) const;   // is this end of month?

private:
   int month;
   int day;
   int year;
   
   void helpIncrement();           // utility function

   static const int days[];        // array of days per month,
                                   // class attribute

};

#endif