boost/preprocessor/tuple/to_array.hpp
# /* ************************************************************************** # * * # * (C) Copyright Edward Diener 2011. * # * (C) Copyright Paul Mensonides 2011. * # * Distributed under the Boost Software License, Version 1.0. (See * # * accompanying file LICENSE_1_0.txt or copy at * # * http://www.boost.org/LICENSE_1_0.txt) * # * * # ************************************************************************** */ # # /* See http://www.boost.org for most recent version. */ # # ifndef BOOST_PREPROCESSOR_TUPLE_TO_ARRAY_HPP # define BOOST_PREPROCESSOR_TUPLE_TO_ARRAY_HPP # # include <boost/preprocessor/cat.hpp> # include <boost/preprocessor/config/config.hpp> # include <boost/preprocessor/control/if.hpp> # include <boost/preprocessor/facilities/overload.hpp> # include <boost/preprocessor/tuple/size.hpp> # include <boost/preprocessor/variadic/size.hpp> # include <boost/preprocessor/variadic/has_opt.hpp> # # /* BOOST_PP_TUPLE_TO_ARRAY */ # # if BOOST_PP_VARIADICS_MSVC # define BOOST_PP_TUPLE_TO_ARRAY(...) BOOST_PP_TUPLE_TO_ARRAY_I(BOOST_PP_OVERLOAD(BOOST_PP_TUPLE_TO_ARRAY_, __VA_ARGS__), (__VA_ARGS__)) # define BOOST_PP_TUPLE_TO_ARRAY_I(m, args) BOOST_PP_TUPLE_TO_ARRAY_II(m, args) # define BOOST_PP_TUPLE_TO_ARRAY_II(m, args) BOOST_PP_CAT(m ## args,) # define BOOST_PP_TUPLE_TO_ARRAY_1(tuple) (BOOST_PP_TUPLE_SIZE(tuple), tuple) # else # define BOOST_PP_TUPLE_TO_ARRAY(...) BOOST_PP_OVERLOAD(BOOST_PP_TUPLE_TO_ARRAY_, __VA_ARGS__)(__VA_ARGS__) # if BOOST_PP_VARIADIC_HAS_OPT() # define BOOST_PP_TUPLE_TO_ARRAY_1(tuple) BOOST_PP_TUPLE_TO_ARRAY_1_SIZE(BOOST_PP_VARIADIC_SIZE tuple, tuple) # define BOOST_PP_TUPLE_TO_ARRAY_1_SIZE(size,tuple) (BOOST_PP_IF(size,size,1), tuple) # else # define BOOST_PP_TUPLE_TO_ARRAY_1(tuple) (BOOST_PP_VARIADIC_SIZE tuple, tuple) # endif # endif # define BOOST_PP_TUPLE_TO_ARRAY_2(size, tuple) (size, tuple) # # endif