.. _functx_exclusive-or:

===================
functx:exclusive-or
=================== 

Whether one (and only one) of two boolean values is true 

Description
~~~~~~~~~~~
The functx:exclusive-or function returns true if one (and only one) of two 
boolean values is true. If either value is the empty sequence, the empty 
sequence is returned.

.. list-table::
   :widths: 40 60
   :header-rows: 1

   * - **Parameters**
     - **Description**
   * - arg1:boolean()
     - the first boolean value
   * - arg2:boolean()
     - the second boolean value

Examples
~~~~~~~~
.. list-table::
   :widths: 50 50
   :header-rows: 1

   * - **XPath**
     - **Results**
   * - functx:exclusive-or(true(),false())
     - true
   * - functx:exclusive-or(true(),true())
     - false
   * - functx:exclusive-or(4 > 3,1 > 2)
     - true