public static IEnumerable <DayOfWeek> SortedByIndex() => EnumerationHelper.ToEnumerations <DayOfWeek>() .OrderBy(dayOfWeek => dayOfWeek.ToIndex());
public static IEnumerable <DayOfWeek> SortedByIndex() => EnumerationHelper.ToEnumerations <DayOfWeek>() .OrderBy(dayOfWeek => dayOfWeek.ToIndex());