.. Other operators

.. include:: /includes/standard.rst

================
 Other operators
================

not
=====

Mainly used in boolean expressions, it turns TRUE expressions (<> 0) FALSE, and FALSE expressions (== 0) TRUE.

Examples::

	(= Result (not TRUE)) ; the result will be FALSE

	(= Result (not FALSE)) ; the result will be TRUE

	(= Result (not 5)) ; the result will be 0

	(= Result (not 0)) ; the result will be 1


\-
=====

Negates integers. If the number is positive, it will become negative. If the number is negative, it will become positive.

Examples::

	(= Result (- 10)) ; the result will be -10
	(= Result -10) ; the result will be -10. In this case, -10 is a :doc:`numericliteral`.
	(= Result (- SomeVar) ; the result will be the negative of SomeVar