boost/preprocessor/tuple/replace.hpp

   1 # /* **************************************************************************
   2 #  *                                                                          *
   3 #  *     (C) Copyright Edward Diener 2013.
   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_TUPLE_REPLACE_HPP
  13 # define BOOST_PREPROCESSOR_TUPLE_REPLACE_HPP
  14 #
  15 # include <boost/preprocessor/config/config.hpp>
  16 #
  17 # if BOOST_PP_VARIADICS
  18 #
  19 # include <boost/preprocessor/array/replace.hpp>
  20 # include <boost/preprocessor/array/to_tuple.hpp>
  21 # include <boost/preprocessor/tuple/to_array.hpp>
  22 #
  23 # /* BOOST_PP_TUPLE_REPLACE */
  24 #
  25 # define BOOST_PP_TUPLE_REPLACE(tuple, i, elem) \
  26         BOOST_PP_ARRAY_TO_TUPLE(BOOST_PP_ARRAY_REPLACE(BOOST_PP_TUPLE_TO_ARRAY(tuple), i, elem)) \
  27 /**/
  28 #
  29 # /* BOOST_PP_TUPLE_REPLACE_D */
  30 #
  31 # define BOOST_PP_TUPLE_REPLACE_D(d, tuple, i, elem) \
  32         BOOST_PP_ARRAY_TO_TUPLE(BOOST_PP_ARRAY_REPLACE_D(d, BOOST_PP_TUPLE_TO_ARRAY(tuple), i, elem)) \
  33 /**/
  34 #
  35 # endif // BOOST_PP_VARIADICS
  36 #
  37 # endif // BOOST_PREPROCESSOR_TUPLE_REPLACE_HPP