is same day method in obejctive c

issameday.m

- (BOOL)isSameDay:(NSDate*)date1 otherDay:(NSDate*)date2 {
    NSCalendar* calendar = [NSCalendar currentCalendar];
    
    unsigned unitFlags = NSYearCalendarUnit | NSMonthCalendarUnit |  NSDayCalendarUnit;
    NSDateComponents* comp1 = [calendar components:unitFlags fromDate:date1];
    NSDateComponents* comp2 = [calendar components:unitFlags fromDate:date2];
    
    return [comp1 day]   == [comp2 day] &&
    [comp1 month] == [comp2 month] &&
    [comp1 year]  == [comp2 year];
}