1 | # /* ************************************************************************** |
2 | # * * |
3 | # * (C) Copyright Edward Diener 2014. * |
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_TUPLE_DETAIL_IS_SINGLE_RETURN_HPP |
13 | # define BOOST_PREPROCESSOR_TUPLE_DETAIL_IS_SINGLE_RETURN_HPP |
14 | # |
15 | # include <boost/preprocessor/config/config.hpp> |
16 | # |
17 | # /* BOOST_PP_TUPLE_IS_SINGLE_RETURN */ |
18 | # |
19 | # if BOOST_PP_VARIADICS && BOOST_PP_VARIADICS_MSVC |
20 | # include <boost/preprocessor/control/iif.hpp> |
21 | # include <boost/preprocessor/facilities/is_1.hpp> |
22 | # include <boost/preprocessor/tuple/size.hpp> |
23 | # define BOOST_PP_TUPLE_IS_SINGLE_RETURN(sr,nsr,tuple) \ |
24 | BOOST_PP_IIF(BOOST_PP_IS_1(BOOST_PP_TUPLE_SIZE(tuple)),sr,nsr) \ |
25 | /**/ |
26 | # endif /* BOOST_PP_VARIADICS && BOOST_PP_VARIADICS_MSVC */ |
27 | # |
28 | # endif /* BOOST_PREPROCESSOR_TUPLE_DETAIL_IS_SINGLE_RETURN_HPP */ |
29 | |