size.hpp 1.2 KB

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  1. # /* **************************************************************************
  2. # * *
  3. # * (C) Copyright Edward Diener 2011. *
  4. # * (C) Copyright Paul Mensonides 2011. *
  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. #
  11. # /* See http://www.boost.org for most recent version. */
  12. #
  13. # ifndef BOOST_PREPROCESSOR_TUPLE_SIZE_HPP
  14. # define BOOST_PREPROCESSOR_TUPLE_SIZE_HPP
  15. #
  16. # include <boost/preprocessor/cat.hpp>
  17. # include <boost/preprocessor/config/config.hpp>
  18. # include <boost/preprocessor/variadic/size.hpp>
  19. #
  20. # if BOOST_PP_VARIADICS
  21. # if BOOST_PP_VARIADICS_MSVC
  22. # define BOOST_PP_TUPLE_SIZE(tuple) BOOST_PP_CAT(BOOST_PP_VARIADIC_SIZE tuple,)
  23. # else
  24. # define BOOST_PP_TUPLE_SIZE(tuple) BOOST_PP_VARIADIC_SIZE tuple
  25. # endif
  26. # endif
  27. #
  28. # endif