35 lines
861 B
C++
35 lines
861 B
C++
|
|
#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: empty.hpp 49267 2008-10-11 06:19:02Z agurtovoy $
|
|
// $Date: 2008-10-11 02:19:02 -0400 (Sat, 11 Oct 2008) $
|
|
// $Revision: 49267 $
|
|
|
|
#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
|