# /* ************************************************************************** # * * # * (C) Copyright Edward Diener 2019. * # * 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_VARIADIC_HAS_OPT_HPP # define BOOST_PREPROCESSOR_VARIADIC_HAS_OPT_HPP # # include # # /* BOOST_PP_VARIADIC_HAS_OPT */ # # if BOOST_PP_VARIADICS && defined(__cplusplus) && __cplusplus > 201703L # include # define BOOST_PP_VARIADIC_HAS_OPT() \ BOOST_PP_VARIADIC_HAS_OPT_ELEM2(BOOST_PP_VARIADIC_HAS_OPT_FUNCTION(?),) \ /**/ # else # define BOOST_PP_VARIADIC_HAS_OPT() 0 # endif # # endif