text: # /* **************************************************************************
  #  *                                                                          *
  #  *     (C) Copyright Paul Mensonides 2002.  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 at to its suitability for any purpose.                      *
  #  *                                                                          *
  #  ************************************************************************** */
  #
  # /* See http://www.boost.org for most recent version. */
  #
  # ifndef BOOST_PREPROCESSOR_ARRAY_PUSH_FRONT_HPP
  # define BOOST_PREPROCESSOR_ARRAY_PUSH_FRONT_HPP
  #
  # include <boost/preprocessor/arithmetic/inc.hpp>
  # include <boost/preprocessor/array/data.hpp>
  # include <boost/preprocessor/array/size.hpp>
  # include <boost/preprocessor/config/config.hpp>
  # include <boost/preprocessor/punctuation/comma_if.hpp>
  # include <boost/preprocessor/tuple/rem.hpp>
  #
  # /* BOOST_PP_ARRAY_PUSH_FRONT */
  #
  # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
  #    define BOOST_PP_ARRAY_PUSH_FRONT(array, elem) BOOST_PP_ARRAY_PUSH_FRONT_I(BOOST_PP_ARRAY_SIZE(array), BOOST_PP_ARRAY_DATA(array), elem)
  # else
  #    define BOOST_PP_ARRAY_PUSH_FRONT(array, elem) BOOST_PP_ARRAY_PUSH_FRONT_D(array, elem)
  #    define BOOST_PP_ARRAY_PUSH_FRONT_D(array, elem) BOOST_PP_ARRAY_PUSH_FRONT_I(BOOST_PP_ARRAY_SIZE(array), BOOST_PP_ARRAY_DATA(array), elem)
  # endif
  #
  # define BOOST_PP_ARRAY_PUSH_FRONT_I(size, data, elem) (BOOST_PP_INC(size), (elem BOOST_PP_COMMA_IF(size) BOOST_PP_TUPLE_REM(size) data))
  #
  # endif
  