using System;

using System.Collections.Generic;

using System.Linq;

public class Program

{

    public static void Main()

    {

        IList<MyClass> myClasses = new List<MyClass>();

        IEnumerable<MyClass> myClasses2 = myClasses.Cast<object>() as IEnumerable<MyClass>;

        Console.WriteLine(myClasses2 != null ? myClasses2.ToString() : "null");

        IList<MyStruct> myStructs = new List<MyStruct>();

        IEnumerable<MyStruct> myStructs2 = myStructs.Cast<object>() as IEnumerable<MyStruct>;

        Console.WriteLine(myStructs2 != null ? myStructs2.ToString() : "null");

    }

}

​

class MyClass

{

}

​

struct MyStruct

{

}