boost/preprocessor/tuple/detail/is_single_return.hpp
# /* **************************************************************************
# * *
# * (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 */