object via closures

gistfile1.cs

using System;

class Program
{
    static Func<int, dynamic> Atom(dynamic value)
    {
        return index => value;
    }

    static Func<int, dynamic> Cons(Func<int, dynamic> a, Func<int, dynamic> b)
    {
        return index => index == 0 ? a : b;
    }

    static Func<int, dynamic> Car(Func<int, dynamic> cons)
    {
        return cons(0);
    }

    static Func<int, dynamic> Cdr(Func<int, dynamic> cons)
    {
        return cons(1);
    }

    static Func<int, dynamic> Constructor(int age, string name)
    {
        return Cons(Cons(Atom("age"), Atom(age)), Cons(Cons(Atom("name"), Atom(name)), null));
    }

    static int GetAge(Func<int, dynamic> cons)
    {
        return Cdr(Car(cons))(0);
    }

    static string GetName(Func<int, dynamic> cons)
    {
        return Cdr(Car(Cdr(cons)))(0);
    }

    static void Main(string[] args)
    {
        var record = Constructor(28, "Andrew");

        Console.WriteLine(GetAge(record));
        Console.WriteLine(GetName(record));

        Console.ReadKey();
    }
}