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- // Copyright David Abrahams, Daniel Wallin 2003.
- // 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)
- #ifndef BOOST_PARAMETER_AUX_PACK_IS_NAMED_ARGUMENT_HPP
- #define BOOST_PARAMETER_AUX_PACK_IS_NAMED_ARGUMENT_HPP
- #include <boost/parameter/aux_/template_keyword.hpp>
- #include <boost/parameter/aux_/is_tagged_argument.hpp>
- #include <boost/parameter/config.hpp>
- #if defined(BOOST_PARAMETER_CAN_USE_MP11)
- #include <boost/mp11/integral.hpp>
- #include <boost/mp11/utility.hpp>
- #else
- #include <boost/mpl/bool.hpp>
- #include <boost/mpl/if.hpp>
- #endif
- namespace boost { namespace parameter { namespace aux {
- template <typename T>
- #if defined(BOOST_PARAMETER_CAN_USE_MP11)
- using is_named_argument = ::boost::mp11::mp_if<
- ::boost::parameter::aux::is_template_keyword<T>
- , ::boost::mp11::mp_true
- , ::boost::parameter::aux::is_tagged_argument_mp11<T>
- >;
- #else
- struct is_named_argument
- : ::boost::mpl::if_<
- ::boost::parameter::aux::is_template_keyword<T>
- , ::boost::mpl::true_
- , ::boost::parameter::aux::is_tagged_argument<T>
- >::type
- {
- };
- #endif
- }}} // namespace boost::parameter::aux
- #endif // include guard
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