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| 2 | #ifndef BOOST_MPL_SET_AUX_AT_IMPL_HPP_INCLUDED
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| 3 | #define BOOST_MPL_SET_AUX_AT_IMPL_HPP_INCLUDED
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| 4 |
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| 5 | // Copyright Aleksey Gurtovoy 2003-2004
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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/set/aux_/at_impl.hpp,v $
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| 14 | // $Date: 2004/09/02 15:41:02 $
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| 15 | // $Revision: 1.2 $
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| 16 |
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| 17 | #include <boost/mpl/at_fwd.hpp>
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| 18 | #include <boost/mpl/set/aux_/has_key_impl.hpp>
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| 19 | #include <boost/mpl/set/aux_/tag.hpp>
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| 20 | #include <boost/mpl/if.hpp>
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| 21 | #include <boost/mpl/void.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 | struct at_impl< aux::set_tag >
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| 27 | {
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| 28 | template< typename Set, typename T > struct apply
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| 29 | {
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| 30 | typedef typename if_<
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| 31 | has_key_impl<aux::set_tag>::apply<Set,T>
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| 32 | , T
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| 33 | , void_
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| 34 | >::type type;
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| 35 | };
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| 36 | };
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| 37 |
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| 38 | }}
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| 39 |
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| 40 | #endif // BOOST_MPL_SET_AUX_AT_IMPL_HPP_INCLUDED
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