| #ifndef BOOST_MPL_O1_SIZE_HPP_INCLUDED | |
| #define BOOST_MPL_O1_SIZE_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: O1_size.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/O1_size_fwd.hpp> | |
| #include <boost/mpl/sequence_tag.hpp> | |
| #include <boost/mpl/aux_/O1_size_impl.hpp> | |
| #include <boost/mpl/aux_/na_spec.hpp> | |
| #include <boost/mpl/aux_/lambda_support.hpp> | |
| namespace boost { namespace mpl { | |
| // returns sequence size if it's an O(1) operation; otherwise returns -1 | |
| template< | |
| typename BOOST_MPL_AUX_NA_PARAM(Sequence) | |
| > | |
| struct O1_size | |
| : O1_size_impl< typename sequence_tag<Sequence>::type > | |
| ::template apply< Sequence > | |
| { | |
| BOOST_MPL_AUX_LAMBDA_SUPPORT(1, O1_size, (Sequence)) | |
| }; | |
| BOOST_MPL_AUX_NA_SPEC(1, O1_size) | |
| }} | |
| #endif // BOOST_MPL_O1_SIZE_HPP_INCLUDED |