https://twitter.com/wonderful_panda/status/236498604985044993 のはなし

gistfile1.cs

public class WeekDay
{
    public readonly int Value;
    public readonly string Name;
    public readonly string ShortName;
    public WeekDay(int value, string name, string shortName)
    {
        this.Value = value;
        this.Name = name;
        this.ShortName = shortName;
    }

    public static readonly WeekDay Sunday = new WeekDay(0, "Sunday", "Sun");
    public static readonly WeekDay Monday = new WeekDay(1, "Monday", "Mon");
    public static readonly WeekDay Tuesday = new WeekDay(2, "Tuesday", "Tue");
    // 以下略
    // 必要に応じてToStringのoverrideやintへの暗黙の変換も実装
}