C#4语法
在C# 4.0中可以通过委托某个成员的实现来实现一个接口，例如下面的代码：public class Foo : IList{ private List _Collection implements IList; public Foo() { _Collection = new List(); }}元组：var list = new List>(){Tuple.Create(1, "a", new object()),Tuple.Create(2, "b", new object()),};
