一个很精致的HelloWorld，你看得懂么？

MDSN的Blog上看到一篇很精致的文章--“HelloWorld",看完只能说是精致，而不能说是精采。你同意么？

Hello World

private static void Main(string[] args)

{

    Person father = new Person();

    Person mother = new Person();

    Person girl = new Person();

    Person boy = mother.Emit(mother.Union(father),

        new DateTime(2007, 4, 21));

    girl.PromoteTo(Rank.BigSister);

    mother.Condition = Conditions.Well | Conditions.Tired;

    father.Condition = Conditions.Well | Conditions.Tired;

    boy.Condition = Conditions.Well;

    girl.Condition = Conditions.Happy;

    Console.WriteLine(boy.ToString());

}