System.Data.UnaryNode.Optimize C# (CSharp) Метод

        internal override ExpressionNode Optimize()
        {
            _right = _right.Optimize();

            if (IsConstant())
            {
                object val = Eval();

                return new ConstNode(table, ValueType.Object, val, false);
            }
            else
                return this;
        }
    }