#ifndef BOOST_PREPROCESSOR_EMPTY_HPP #define BOOST_PREPROCESSOR_EMPTY_HPP /* Copyright (C) 2001 * Housemarque Oy * http://www.housemarque.com * * Permission to copy, use, modify, sell and distribute this software is * granted provided this copyright notice appears in all copies. This * software is provided "as is" without express or implied warranty, and * with no claim as to its suitability for any purpose. * * See http://www.boost.org for most recent version. */ /**
Expands to nothing. Used with BOOST_PP_IF() and as an unused parameter.
Obsolete. Use BOOST_PP_EMPTY().
*/ #define BOOST_PREPROCESSOR_EMPTY() #endif