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_VARIADIC_DETAIL_IS_SINGLE_RETURN_HPP 13 # define BOOST_PREPROCESSOR_VARIADIC_DETAIL_IS_SINGLE_RETURN_HPP 14 # 15 # include <boost/preprocessor/config/config.hpp> 16 # 17 # /* BOOST_PP_VARIADIC_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/variadic/size.hpp> 23 # define BOOST_PP_VARIADIC_IS_SINGLE_RETURN(sr,nsr,...) \ 24 BOOST_PP_IIF(BOOST_PP_IS_1(BOOST_PP_VARIADIC_SIZE(__VA_ARGS__)),sr,nsr) \ 25 /**/ 26 # endif /* BOOST_PP_VARIADICS && BOOST_PP_VARIADICS_MSVC */ 27 # 28 # endif /* BOOST_PREPROCESSOR_VARIADIC_DETAIL_IS_SINGLE_RETURN_HPP */ 29