addDays static method
Returns the DateTime resulting from adding the given number of days to this DateTime.
The result is computed by incrementing the day parts of this
DateTime by days
days.
For example: (2020, 12, 31) -> add 2 days -> (2021, 01, 2). (2020, 12, 31) -> add 14 days -> (2021, 1, 14).
Implementation
static DateTime addDays(DateTime date, int days) =>
copyWith(date, day: date.day + days);