Category : C Source Code
Archive   : ANSICPP.ZIP
Filename : EX08002.CPP

 
Output of file : EX08002.CPP contained in archive : ANSICPP.ZIP
// ex08002.cpp
// Overloading the + operator with a friend
#include

class Date {
int mo, da, yr;
public:
Date() {}
Date(int m, int d, int y) { mo = m; da = d; yr = y; }
void display() { cout << mo << '/' << da << '/' << yr; }
// ----- overloaded + operators
Date operator+(int);
friend Date operator+(int n, Date& dt) { return dt + n;}
};

static int dys[] = {31,28,31,30,31,30,31,31,30,31,30,31};
// -------- overloaded + operator
Date Date::operator+(int n)
{
Date dt = *this;
n += dt.da;
while (n > dys[dt.mo-1]) {
n -= dys[dt.mo-1];
if (++dt.mo == 13) {
dt.mo = 1;
dt.yr++;
}
}
dt.da = n;
return dt;
}

main()
{
Date olddate(2,20,90);
Date newdate;
newdate = 21 + olddate; // three weeks hence
newdate.display();
}


  3 Responses to “Category : C Source Code
Archive   : ANSICPP.ZIP
Filename : EX08002.CPP
”

  1. Daniel says:
    January 27, 2013 at 3:59 pm

    Very nice! Thank you for this wonderful archive. I wonder why I found it only now. Long live the BBS file archives!

  2. Joshie says:
    March 18, 2014 at 4:57 pm

    This is so awesome! 😀 I’d be cool if you could download an entire archive of this at once, though.

  3. DiskingRound says:
    January 14, 2015 at 10:57 pm

    But one thing that puzzles me is the “mtswslnkmcjklsdlsbdmMICROSOFT” string. There is an article about it here. It is definitely worth a read: http://www.os2museum.com/wp/mtswslnk/