2 #ifndef BOOST_MPL_EMPTY_HPP_INCLUDED
3 #define BOOST_MPL_EMPTY_HPP_INCLUDED
5 // Copyright Aleksey Gurtovoy 2000-2004
7 // Distributed under the Boost Software License, Version 1.0.
8 // (See accompanying file LICENSE_1_0.txt or copy at
9 // http://www.boost.org/LICENSE_1_0.txt)
11 // See http://www.boost.org/libs/mpl for documentation.
13 // $Id: empty.hpp 49267 2008-10-11 06:19:02Z agurtovoy $
14 // $Date: 2008-10-11 02:19:02 -0400 (Sat, 11 Oct 2008) $
17 #include <boost/mpl/empty_fwd.hpp>
18 #include <boost/mpl/sequence_tag.hpp>
19 #include <boost/mpl/aux_/empty_impl.hpp>
20 #include <boost/mpl/aux_/na_spec.hpp>
21 #include <boost/mpl/aux_/lambda_support.hpp>
23 namespace boost
{ namespace mpl
{
26 typename
BOOST_MPL_AUX_NA_PARAM(Sequence
)
29 : empty_impl
< typename sequence_tag
<Sequence
>::type
>
30 ::template apply
< Sequence
>
32 BOOST_MPL_AUX_LAMBDA_SUPPORT(1,empty
,(Sequence
))
35 BOOST_MPL_AUX_NA_SPEC(1, empty
)
39 #endif // BOOST_MPL_EMPTY_HPP_INCLUDED