addDuration method
Adds the provided duration
to the current Jiffy instance's date
and time, and returns a new Jiffy instance with the updated value.
Example:
final jiffy = Jiffy.parseFromList([1997, 9, 23]);
final updatedJiffy = jiffy.addDuration(Duration(days: 10));
print(updatedJiffy.yMMMMd);
// output: 'October 3, 1997'
Implementation
Jiffy addDuration(Duration duration) {
final dateTime = _manipulator.addDuration(this.dateTime, duration);
return _clone(dateTime);
}