public IEnumerable<ISuccessor> GetSuccessors()
{
for(int i = 0; i < _board.Length; i++)
{
if(_board[i] == 0)
{
var play = Player ? 1 : -1;
var newBoard = (int[])_board.Clone();
newBoard[i] = play;
yield return new TicTacToeMove(new TicTacToe(!Player, newBoard), new Action(i.ToString()));
}
}
}
public void Test_Expansion()
{
TicTacToe t = new TicTacToe(false, new[] { -1, 0, -1, 1, 0, 0, 0, 1, 0 });
Console.WriteLine(t);
foreach (var successor in t.GetSuccessors())
{
PrintSuccessor(successor);
}
}