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| 2 | #ifndef BOOST_MPL_NEXT_PRIOR_HPP_INCLUDED |
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| 3 | #define BOOST_MPL_NEXT_PRIOR_HPP_INCLUDED |
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| 4 | |
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| 5 | // Copyright Aleksey Gurtovoy 2000-2004 |
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| 6 | // |
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| 7 | // Distributed under the Boost Software License, Version 1.0. |
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| 8 | // (See accompanying file LICENSE_1_0.txt or copy at |
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| 9 | // http://www.boost.org/LICENSE_1_0.txt) |
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| 10 | // |
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| 11 | // See http://www.boost.org/libs/mpl for documentation. |
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| 12 | |
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| 13 | // $Source: /cvsroot/boost/boost/boost/mpl/next_prior.hpp,v $ |
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| 14 | // $Date: 2004/09/17 06:09:38 $ |
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| 15 | // $Revision: 1.3 $ |
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| 16 | |
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| 17 | #include <boost/mpl/aux_/common_name_wknd.hpp> |
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| 18 | #include <boost/mpl/aux_/na_spec.hpp> |
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| 19 | #include <boost/mpl/aux_/lambda_support.hpp> |
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| 20 | |
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| 21 | namespace boost { namespace mpl { |
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| 22 | |
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| 23 | BOOST_MPL_AUX_COMMON_NAME_WKND(next) |
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| 24 | BOOST_MPL_AUX_COMMON_NAME_WKND(prior) |
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| 25 | |
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| 26 | template< |
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| 27 | typename BOOST_MPL_AUX_NA_PARAM(T) |
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| 28 | > |
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| 29 | struct next |
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| 30 | { |
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| 31 | typedef typename T::next type; |
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| 32 | BOOST_MPL_AUX_LAMBDA_SUPPORT(1,next,(T)) |
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| 33 | }; |
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| 34 | |
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| 35 | template< |
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| 36 | typename BOOST_MPL_AUX_NA_PARAM(T) |
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| 37 | > |
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| 38 | struct prior |
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| 39 | { |
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| 40 | typedef typename T::prior type; |
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| 41 | BOOST_MPL_AUX_LAMBDA_SUPPORT(1,prior,(T)) |
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| 42 | }; |
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| 43 | |
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| 44 | BOOST_MPL_AUX_NA_SPEC(1, next) |
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| 45 | BOOST_MPL_AUX_NA_SPEC(1, prior) |
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| 46 | |
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| 47 | }} |
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| 48 | |
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| 49 | #endif // BOOST_MPL_NEXT_PRIOR_HPP_INCLUDED |
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