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- # /* **************************************************************************
- # * *
- # * (C) Copyright Edward Diener 2014. *
- # * 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_DETAIL_IS_SINGLE_RETURN_HPP
- # define BOOST_PREPROCESSOR_TUPLE_DETAIL_IS_SINGLE_RETURN_HPP
- #
- # include <boost/preprocessor/config/config.hpp>
- #
- # /* BOOST_PP_TUPLE_IS_SINGLE_RETURN */
- #
- # if BOOST_PP_VARIADICS && BOOST_PP_VARIADICS_MSVC
- # include <boost/preprocessor/control/iif.hpp>
- # include <boost/preprocessor/facilities/is_1.hpp>
- # include <boost/preprocessor/tuple/size.hpp>
- # define BOOST_PP_TUPLE_IS_SINGLE_RETURN(sr,nsr,tuple) \
- BOOST_PP_IIF(BOOST_PP_IS_1(BOOST_PP_TUPLE_SIZE(tuple)),sr,nsr) \
- /**/
- # endif /* BOOST_PP_VARIADICS && BOOST_PP_VARIADICS_MSVC */
- #
- # endif /* BOOST_PREPROCESSOR_TUPLE_DETAIL_IS_SINGLE_RETURN_HPP */
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