boost/preprocessor/array/elem.hpp

   1 # /* **************************************************************************
   2 #  *                                                                          *
   3 #  *     (C) Copyright Paul Mensonides 2002.
   4 #  *     Distributed under the Boost Software License, Version 1.0. (See
   5 #  *     accompanying file LICENSE_1_0.txt or copy at
   6 #  *     http://www.boost.org/LICENSE_1_0.txt)
   7 #  *                                                                          *
   8 #  ************************************************************************** */
   9 #
  10 # /* See http://www.boost.org for most recent version. */
  11 #
  12 # ifndef BOOST_PREPROCESSOR_ARRAY_ELEM_HPP
  13 # define BOOST_PREPROCESSOR_ARRAY_ELEM_HPP
  14 #
  15 # include <boost/preprocessor/array/data.hpp>
  16 # include <boost/preprocessor/array/size.hpp>
  17 # include <boost/preprocessor/config/config.hpp>
  18 # include <boost/preprocessor/tuple/elem.hpp>
  19 #
  20 # /* BOOST_PP_ARRAY_ELEM */
  21 #
  22 # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
  23 #    define BOOST_PP_ARRAY_ELEM(i, array) BOOST_PP_TUPLE_ELEM(BOOST_PP_ARRAY_SIZE(array), i, BOOST_PP_ARRAY_DATA(array))
  24 # else
  25 #    define BOOST_PP_ARRAY_ELEM(i, array) BOOST_PP_ARRAY_ELEM_I(i, array)
  26 #    define BOOST_PP_ARRAY_ELEM_I(i, array) BOOST_PP_TUPLE_ELEM(BOOST_PP_ARRAY_SIZE(array), i, BOOST_PP_ARRAY_DATA(array))
  27 # endif
  28 #
  29 # endif