Axiom.Runtime.AbstractTerm.this C# (CSharp) Method

        public virtual AbstractTerm this[int index]
        {
            get
            {
                if (IsAssigned())
                {
                    return _containee[index];
                }

                if (index == 0)
                {
                    return (AbstractTerm)_next;
                }
                else
                {
                    AbstractTerm vPtr = (AbstractTerm)_next;
                    for (int j = 0; j < index; j++)
                    {
                        vPtr = (AbstractTerm)vPtr.Next;
                    }
                    return vPtr;
                }
            }
        }