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| 2 | #ifndef BOOST_MPL_INDEX_OF_HPP_INCLUDED |
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| 3 | #define BOOST_MPL_INDEX_OF_HPP_INCLUDED |
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| 4 | |
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| 5 | // Copyright Aleksey Gurtovoy 2003-2004 |
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| 6 | // Copyright Eric Friedman 2003 |
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| 7 | // |
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| 8 | // Distributed under the Boost Software License, Version 1.0. |
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| 9 | // (See accompanying file LICENSE_1_0.txt or copy at |
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| 10 | // http://www.boost.org/LICENSE_1_0.txt) |
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| 11 | // |
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| 12 | // See http://www.boost.org/libs/mpl for documentation. |
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| 13 | |
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| 14 | // $Id: index_of.hpp 49267 2008-10-11 06:19:02Z agurtovoy $ |
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| 15 | // $Date: 2008-10-11 02:19:02 -0400 (Sat, 11 Oct 2008) $ |
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| 16 | // $Revision: 49267 $ |
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| 17 | |
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| 18 | #include <boost/mpl/index_if.hpp> |
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| 19 | #include <boost/mpl/same_as.hpp> |
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| 20 | #include <boost/mpl/aux_/na_spec.hpp> |
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| 21 | #include <boost/mpl/aux_/lambda_support.hpp> |
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| 22 | |
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| 23 | namespace boost { namespace mpl { |
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| 24 | |
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| 25 | template< |
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| 26 | typename BOOST_MPL_AUX_NA_PARAM(Sequence) |
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| 27 | , typename BOOST_MPL_AUX_NA_PARAM(T) |
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| 28 | > |
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| 29 | struct index_of |
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| 30 | : index_if< Sequence,same_as<T> > |
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| 31 | { |
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| 32 | BOOST_MPL_AUX_LAMBDA_SUPPORT(2,index_of,(Sequence,T)) |
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| 33 | }; |
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| 34 | |
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| 35 | BOOST_MPL_AUX_NA_SPEC(2, index_of) |
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| 36 | |
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| 37 | }} |
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| 38 | |
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| 39 | #endif // BOOST_MPL_INDEX_OF_HPP_INCLUDED |
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