addTime method
Add time and return a new DateTime.
Implementation
DateTime addTime({
int day = 0,
int hour = 0,
int minute = 0,
int second = 0,
int millisecond = 0,
int microsecond = 0,
}) {
final duration = Duration(
days: day,
hours: hour,
minutes: minute,
seconds: second,
milliseconds: millisecond,
microseconds: microsecond,
);
return add(duration);
}