append.hpp 1.3 KB

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  1. # /* Copyright (C) 2001
  2. # * Housemarque Oy
  3. # * http://www.housemarque.com
  4. # *
  5. # * Distributed under the Boost Software License, Version 1.0. (See
  6. # * accompanying file LICENSE_1_0.txt or copy at
  7. # * http://www.boost.org/LICENSE_1_0.txt)
  8. # */
  9. #
  10. # /* Revised by Paul Mensonides (2002) */
  11. #
  12. # /* See http://www.boost.org for most recent version. */
  13. #
  14. # ifndef BOOST_PREPROCESSOR_LIST_APPEND_HPP
  15. # define BOOST_PREPROCESSOR_LIST_APPEND_HPP
  16. #
  17. # include <boost/preprocessor/config/config.hpp>
  18. # include <boost/preprocessor/list/fold_right.hpp>
  19. #
  20. # /* BOOST_PP_LIST_APPEND */
  21. #
  22. # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
  23. # define BOOST_PP_LIST_APPEND(a, b) BOOST_PP_LIST_FOLD_RIGHT(BOOST_PP_LIST_APPEND_O, b, a)
  24. # else
  25. # define BOOST_PP_LIST_APPEND(a, b) BOOST_PP_LIST_APPEND_I(a, b)
  26. # define BOOST_PP_LIST_APPEND_I(a, b) BOOST_PP_LIST_FOLD_RIGHT(BOOST_PP_LIST_APPEND_O, b, a)
  27. # endif
  28. #
  29. # define BOOST_PP_LIST_APPEND_O(d, s, x) (x, s)
  30. #
  31. # /* BOOST_PP_LIST_APPEND_D */
  32. #
  33. # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
  34. # define BOOST_PP_LIST_APPEND_D(d, a, b) BOOST_PP_LIST_FOLD_RIGHT_ ## d(BOOST_PP_LIST_APPEND_O, b, a)
  35. # else
  36. # define BOOST_PP_LIST_APPEND_D(d, a, b) BOOST_PP_LIST_APPEND_D_I(d, a, b)
  37. # define BOOST_PP_LIST_APPEND_D_I(d, a, b) BOOST_PP_LIST_FOLD_RIGHT_ ## d(BOOST_PP_LIST_APPEND_O, b, a)
  38. # endif
  39. #
  40. # endif