Constructors with Default Args

private:

int counter_p;

public:

counter(int initial_value = 0) { counter_p = initial_value; }

};

class date {

private:

int year_p, month_p, day_p;

public:

date(int day = 29, int month = 4, int year = 1998);

date(char *d);

};

date yesterday(28); // OK

class bad_date {

// …

date(int year = 1997, int month = 8, int day = 27);

};

bad_date yesterday(27); // Wrong - this will make year=27