| |
| #ifndef BOOST_MPL_EMPTY_HPP_INCLUDED |
| #define BOOST_MPL_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/sequence_tag.hpp> |
| #include <boost/mpl/aux_/empty_impl.hpp> |
| #include <boost/mpl/aux_/na_spec.hpp> |
| #include <boost/mpl/aux_/lambda_support.hpp> |
| |
| namespace boost { namespace mpl { |
| |
| template< |
| typename BOOST_MPL_AUX_NA_PARAM(Sequence) |
| > |
| struct empty |
| : empty_impl< typename sequence_tag<Sequence>::type > |
| ::template apply< Sequence > |
| { |
| BOOST_MPL_AUX_LAMBDA_SUPPORT(1,empty,(Sequence)) |
| }; |
| |
| BOOST_MPL_AUX_NA_SPEC(1, empty) |
| |
| }} |
| |
| #endif // BOOST_MPL_EMPTY_HPP_INCLUDED |
