30 lines
836 B
C++
30 lines
836 B
C++
|
// 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
|
||
|
|