.. _exhale_variable_mux__node_8hpp_1aa9100cdbddf7b4c1edfedb24ab7946b2:

Variable topic_tools::NONE_TOPIC
================================

- Defined in :ref:`file_include_topic_tools_mux_node.hpp`


Variable Documentation
----------------------


.. doxygenvariable:: topic_tools::NONE_TOPIC
   :project: topic_tools Doxygen Project