1 # /* **************************************************************************
3 # * (C) Copyright Edward Diener 2019. *
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) *
8 # ************************************************************************** */
10 # /* See http://www.boost.org for most recent version. */
12 # ifndef BOOST_PREPROCESSOR_VARIADIC_HAS_OPT_HPP
13 # define BOOST_PREPROCESSOR_VARIADIC_HAS_OPT_HPP
15 # include <boost/preprocessor/config/config.hpp>
17 # /* BOOST_PP_VARIADIC_HAS_OPT */
19 # if defined(__cplusplus) && __cplusplus > 201703L
20 # include <boost/preprocessor/variadic/detail/has_opt.hpp>
21 # define BOOST_PP_VARIADIC_HAS_OPT() \
22 BOOST_PP_VARIADIC_HAS_OPT_ELEM2(BOOST_PP_VARIADIC_HAS_OPT_FUNCTION(?),) \
25 # define BOOST_PP_VARIADIC_HAS_OPT() 0