weekdayToString method

Implementation

String weekdayToString() => switch (toDateTime().weekday) {
  DateTime.monday => 'monday',
  DateTime.tuesday => 'tuesday',
  DateTime.wednesday => 'wednesday',
  DateTime.thursday => 'thursday',
  DateTime.friday => 'friday',
  DateTime.saturday => 'saturday',
  DateTime.sunday => 'sunday',
  _ => '',
};