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+// 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
+