| // Copyright Cromwell D. Enage 2018. |
| // 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_IS_ARGUMENT_PACK_HPP |
| #define BOOST_PARAMETER_IS_ARGUMENT_PACK_HPP |
| |
| #include <boost/parameter/aux_/is_tagged_argument.hpp> |
| #include <boost/parameter/aux_/arg_list.hpp> |
| #include <boost/mpl/bool.hpp> |
| #include <boost/mpl/if.hpp> |
| #include <boost/type_traits/is_base_of.hpp> |
| |
| namespace boost { namespace parameter { |
| |
| template <typename T> |
| struct is_argument_pack |
| : ::boost::mpl::if_< |
| ::boost::is_base_of< ::boost::parameter::aux::empty_arg_list,T> |
| , ::boost::mpl::true_ |
| , ::boost::parameter::aux::is_tagged_argument<T> |
| >::type |
| { |
| }; |
| }} |
| |
| #endif // include guard |
| |
