truncate method
Returns a copy of this truncated to the TemporalUnit.
final date = LocalDateTime(2023, 4, 15, 3, 40);
date.truncate(to: DateUnit.months); // 2023-04-01 00:00
Implementation
@useResult LocalDateTime truncate({required TemporalUnit to}) => LocalDateTime._(_native.truncate(to: to));