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1 | ||
2 | #ifndef BOOST_MPL_MAP_AUX_EMPTY_IMPL_HPP_INCLUDED | |
3 | #define BOOST_MPL_MAP_AUX_EMPTY_IMPL_HPP_INCLUDED | |
4 | ||
5 | // Copyright Aleksey Gurtovoy 2003-2004 | |
6 | // | |
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) | |
10 | // | |
11 | // See http://www.boost.org/libs/mpl for documentation. | |
12 | ||
13 | // $Id$ | |
14 | // $Date$ | |
15 | // $Revision$ | |
16 | ||
17 | #include <boost/mpl/empty_fwd.hpp> | |
18 | #include <boost/mpl/not.hpp> | |
19 | #include <boost/mpl/map/aux_/tag.hpp> | |
20 | ||
21 | namespace boost { namespace mpl { | |
22 | ||
23 | template<> | |
24 | struct empty_impl< aux::map_tag > | |
25 | { | |
26 | template< typename Map > struct apply | |
27 | : not_< typename Map::size > | |
28 | { | |
29 | }; | |
30 | }; | |
31 | ||
32 | }} | |
33 | ||
34 | #endif // BOOST_MPL_MAP_AUX_EMPTY_IMPL_HPP_INCLUDED |