validateWeekdays static method

void validateWeekdays(
  1. Iterable<int> weekdays, {
  2. required String field,
})

Implementation

static void validateWeekdays(
  Iterable<int> weekdays, {
  required String field,
}) {
  for (final day in weekdays) {
    if (day < DateTime.monday || day > DateTime.sunday) {
      throw ArgumentError.value(day, field, 'Weekday must be in 1..7.');
    }
  }
}