copy method
Copy this date object with some fields changed
Original date object remains unchanged
You can leave out items for not changing them
This method is NOT safe
This method does change all fields at once, Not individually in a order
Throws DateException on problems
Note: For ordering use with*() methods
Implementation
@override
Gregorian copy(
{int? year, int? month, int? day, int? hour, int? minute, int? second}) {
if (year == null &&
month == null &&
day == null &&
hour == null &&
minute == null &&
second == null) {
return this;
} else {
return Gregorian(
year ?? this.year,
month ?? this.month,
day ?? this.day,
hour ?? this.hour,
minute ?? this.minute,
second ?? this.second,
);
}
}