ext-boost/boost/mpl/list/aux_/empty.hpp
2016-08-12 14:11:39 -04:00

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#ifndef BOOST_MPL_LIST_AUX_EMPTY_HPP_INCLUDED
#define BOOST_MPL_LIST_AUX_EMPTY_HPP_INCLUDED
// Copyright Aleksey Gurtovoy 2000-2004
//
// 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)
//
// See http://www.boost.org/libs/mpl for documentation.
// $Id$
// $Date$
// $Revision$
#include <boost/mpl/empty_fwd.hpp>
#include <boost/mpl/not.hpp>
#include <boost/mpl/list/aux_/tag.hpp>
namespace boost { namespace mpl {
template<>
struct empty_impl< aux::list_tag >
{
template< typename List > struct apply
: not_<typename List::size>
{
};
};
}}
#endif // BOOST_MPL_LIST_AUX_EMPTY_HPP_INCLUDED