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_TO_ARRAY_HPP
14# define BOOST_PREPROCESSOR_TUPLE_TO_ARRAY_HPP
15#
16# include <boost/preprocessor/cat.hpp>
17# include <boost/preprocessor/config/config.hpp>
18# include <boost/preprocessor/facilities/overload.hpp>
19# include <boost/preprocessor/tuple/size.hpp>
20# include <boost/preprocessor/variadic/size.hpp>
21#
22# /* BOOST_PP_TUPLE_TO_ARRAY */
23#
24# if BOOST_PP_VARIADICS
25# if BOOST_PP_VARIADICS_MSVC
26# define BOOST_PP_TUPLE_TO_ARRAY(...) BOOST_PP_TUPLE_TO_ARRAY_I(BOOST_PP_OVERLOAD(BOOST_PP_TUPLE_TO_ARRAY_, __VA_ARGS__), (__VA_ARGS__))
27# define BOOST_PP_TUPLE_TO_ARRAY_I(m, args) BOOST_PP_TUPLE_TO_ARRAY_II(m, args)
28# define BOOST_PP_TUPLE_TO_ARRAY_II(m, args) BOOST_PP_CAT(m ## args,)
29# define BOOST_PP_TUPLE_TO_ARRAY_1(tuple) (BOOST_PP_TUPLE_SIZE(tuple), tuple)
30# else
31# define BOOST_PP_TUPLE_TO_ARRAY(...) BOOST_PP_OVERLOAD(BOOST_PP_TUPLE_TO_ARRAY_, __VA_ARGS__)(__VA_ARGS__)
32# define BOOST_PP_TUPLE_TO_ARRAY_1(tuple) (BOOST_PP_VARIADIC_SIZE tuple, tuple)
33# endif
34# define BOOST_PP_TUPLE_TO_ARRAY_2(size, tuple) (size, tuple)
35# else
36# define BOOST_PP_TUPLE_TO_ARRAY(size, tuple) (size, tuple)
37# endif
38#
39# endif
40