F# Lists

fsharplists.cs

using Microsoft.FSharp.Collections;
using System;

namespace ConsoleApp2
{
    class Program
    {
        static void Main(string[] args)
        {
            var numbers = FSharpList<int>.Cons(
            1,
            FSharpList<int>.Cons(2,
                FSharpList<int>.Cons(
                    3,
                    FSharpList<int>.Empty)));

            Console.WriteLine(string.Join(", ", numbers));
        }
    }
}