is_single_return.hpp

00001 # /* **************************************************************************
00002 #  *                                                                          *
00003 #  *     (C) Copyright Edward Diener 2014.                                    *
00004 #  *     Distributed under the Boost Software License, Version 1.0. (See      *
00005 #  *     accompanying file LICENSE_1_0.txt or copy at                         *
00006 #  *     http://www.boost.org/LICENSE_1_0.txt)                                *
00007 #  *                                                                          *
00008 #  ************************************************************************** */
00009 #
00010 # /* See http://www.boost.org for most recent version. */
00011 #
00012 # ifndef MSGPACK_PREPROCESSOR_VARIADIC_DETAIL_IS_SINGLE_RETURN_HPP
00013 # define MSGPACK_PREPROCESSOR_VARIADIC_DETAIL_IS_SINGLE_RETURN_HPP
00014 #
00015 # include <msgpack/preprocessor/config/config.hpp>
00016 #
00017 # /* MSGPACK_PP_VARIADIC_IS_SINGLE_RETURN */
00018 #
00019 # if MSGPACK_PP_VARIADICS && MSGPACK_PP_VARIADICS_MSVC
00020 # include <msgpack/preprocessor/control/iif.hpp>
00021 # include <msgpack/preprocessor/facilities/is_1.hpp>
00022 # include <msgpack/preprocessor/variadic/size.hpp>
00023 # define MSGPACK_PP_VARIADIC_IS_SINGLE_RETURN(sr,nsr,...)   \
00024     MSGPACK_PP_IIF(MSGPACK_PP_IS_1(MSGPACK_PP_VARIADIC_SIZE(__VA_ARGS__)),sr,nsr) \
00025     /**/
00026 # endif /* MSGPACK_PP_VARIADICS && MSGPACK_PP_VARIADICS_MSVC */
00027 #
00028 # endif /* MSGPACK_PREPROCESSOR_VARIADIC_DETAIL_IS_SINGLE_RETURN_HPP */