.NET.DOMOHNOES

C# interface declaration.cs

using System;
using System.Collections;
using System.Collections.Generic;

namespace Doms
{
    public class Dom
    {
        public int l;
        public int r;
        public Dom(int inL, int inR)
        {
            l = inL;
            r = inR;
        }
        public List<int> GetList()        { return new List<int> { l, r }; }
        public List<int> GetReverseList() { return new List<int> { r, l }; }
        public override string ToString() { return "("+l+", "+r+")"; }
    }

    public class TurnOption
    {
        public Dom played; // The dom from your hand which would be played
        public List<Dom> hand; // Your hand after you play that dom
        public List<int> board; // The new board after you play that dom
        public TurnOption(Dom inPlayed, List<Dom> inHand, List<int> inBoard)
        {
            played = inPlayed;
            hand = inHand;
            board = inBoard;
        }
    }

    public interface Player
    {
        string GetName();
        int    GetMove(List<TurnOption> inTurnOptions);
    }
}

Genius F# AI.fs

// Plays randomly
type buffoonPlayer(i:int) =
  interface Doms.Player with
    member this.GetName() = sprintf "Buffoon #%O" i
    member this.GetMove( inTurnOptions ) =
      r.Next(0, inTurnOptions.Count)
  new(i) = buffoonPlayer(i)