Axiom.Runtime.Choicepoint.GetChoicepointItem C# (CSharp) 메소드

        private AbstractTerm GetChoicepointItem(string item)
        {
            if (item[0] == 'X')
            {
                int index = Int32.Parse(item.Remove(0, 1));
                return (AbstractTerm)_savedVariables[index];
            }
            else
            {
                return null;
            }
        }