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53 lines
1.2 KiB
C++
53 lines
1.2 KiB
C++
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#ifndef BOOST_MPL_AT_HPP_INCLUDED
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#define BOOST_MPL_AT_HPP_INCLUDED
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// Copyright Aleksey Gurtovoy 2000-2004
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//
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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//
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// See http://www.boost.org/libs/mpl for documentation.
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// $Id$
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// $Date$
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// $Revision$
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#include <boost/mpl/at_fwd.hpp>
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#include <boost/mpl/aux_/at_impl.hpp>
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#include <boost/mpl/long.hpp>
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#include <boost/mpl/sequence_tag.hpp>
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#include <boost/mpl/aux_/na_spec.hpp>
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#include <boost/mpl/aux_/lambda_support.hpp>
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#include <boost/mpl/aux_/nttp_decl.hpp>
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namespace boost { namespace mpl {
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template<
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typename BOOST_MPL_AUX_NA_PARAM(Sequence)
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, typename BOOST_MPL_AUX_NA_PARAM(N)
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>
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struct at
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: at_impl< typename sequence_tag<Sequence>::type >
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::template apply< Sequence,N >
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{
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BOOST_MPL_AUX_LAMBDA_SUPPORT(2,at,(Sequence,N))
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};
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template<
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typename Sequence
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, BOOST_MPL_AUX_NTTP_DECL(long, N)
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>
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struct at_c
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: at_impl< typename sequence_tag<Sequence>::type >
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::template apply< Sequence,mpl::long_<N> >
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{
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};
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BOOST_MPL_AUX_NA_SPEC(2, at)
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}}
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#endif // BOOST_MPL_AT_HPP_INCLUDED
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