.. _class_logic_not:

logic_not
=========

**图块代码**

.. image:: img/logic_not.png

----

**javascript**

.. code-block:: javascript

	(!left)

----

**python**

.. code-block:: python

	(not left)

----

**npl**

.. code-block:: lua

	(not left)

----

示例
----

.. tabs::

	.. tab:: javascript

		.. code-block:: javascript

			(!undefined)

	.. tab:: python

		.. code-block:: python

			(not undefined)

	.. tab:: npl

		.. code-block:: lua

			(not undefined)