debugCheckIsValidTimetableDayOfWeek method
Implementation
bool debugCheckIsValidTimetableDayOfWeek() {
assert(() {
if (isValidTimetableDayOfWeek) return true;
throw FlutterError.fromParts([
ErrorSummary('Invalid day of week for timetable: `$this`'),
ErrorDescription(
'A day of the week must be an integer between ${DateTime.monday} '
'(Monday) and ${DateTime.sunday} (Sunday), inclusive.',
),
]);
}());
return true;
}