static void Main(string[] args)
{
DayOfTheWeek today = (DayOfTheWeek)5;
Console.WriteLine(today.GetType());
switch (today)
{
case DayOfTheWeek.Monday:
case DayOfTheWeek.Tuesday:
case DayOfTheWeek.Wednesday:
case DayOfTheWeek.Thursday:
case DayOfTheWeek.Friday:
Console.WriteLine("It's a normal weekday");
break;
case DayOfTheWeek.Saturday:
case DayOfTheWeek.Sunday:
Console.WriteLine("YAY!WEEKEND!");
break;
}
}
public static DayOfWeek ToDayOfWeek(this DayOfTheWeek dayOfTheWeek)
{
switch (dayOfTheWeek)
{
case DayOfTheWeek.Monday:
return(DayOfWeek.Monday);
case DayOfTheWeek.Tuesday:
return(DayOfWeek.Tuesday);
case DayOfTheWeek.Wednesday:
return(DayOfWeek.Wednesday);
case DayOfTheWeek.Thursday:
return(DayOfWeek.Thursday);
case DayOfTheWeek.Friday:
return(DayOfWeek.Friday);
case DayOfTheWeek.Saturday:
return(DayOfWeek.Saturday);
case DayOfTheWeek.Sunday:
return(DayOfWeek.Sunday);
default:
throw new InvalidEnumArgumentException(nameof(dayOfTheWeek), (int)dayOfTheWeek, dayOfTheWeek.GetType());
}
}
