apply.hpp 1.4 KB

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  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_FACILITIES_APPLY_HPP
  13. # define BOOST_PREPROCESSOR_FACILITIES_APPLY_HPP
  14. #
  15. # include <boost/preprocessor/config/config.hpp>
  16. # include <boost/preprocessor/control/expr_iif.hpp>
  17. # include <boost/preprocessor/detail/is_unary.hpp>
  18. # include <boost/preprocessor/tuple/rem.hpp>
  19. #
  20. # /* BOOST_PP_APPLY */
  21. #
  22. # if BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
  23. # define BOOST_PP_APPLY(x) BOOST_PP_APPLY_I(x)
  24. # define BOOST_PP_APPLY_I(x) BOOST_PP_EXPR_IIF(BOOST_PP_IS_UNARY(x), BOOST_PP_TUPLE_REM_1 x)
  25. # elif BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_BCC()
  26. # define BOOST_PP_APPLY(x) BOOST_PP_APPLY_I(x)
  27. # define BOOST_PP_APPLY_I(x) BOOST_PP_APPLY_ ## x
  28. # define BOOST_PP_APPLY_(x) x
  29. # define BOOST_PP_APPLY_BOOST_PP_NIL
  30. # else
  31. # define BOOST_PP_APPLY(x) BOOST_PP_EXPR_IIF(BOOST_PP_IS_UNARY(x), BOOST_PP_TUPLE_REM_1 x)
  32. # endif
  33. #
  34. # endif