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Viewing changes to contrib/boost/include/boost/mpl/set/aux_/has_key_impl.hpp

  • Committer: Bazaar Package Importer
  • Author(s): Adam C. Powell, IV
  • Date: 2009-05-08 23:13:50 UTC
  • Revision ID: james.westby@ubuntu.com-20090508231350-rrh1ltgi0tifabwc
Tags: upstream-6.2.0
Import upstream version 6.2.0

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contrib/boost/include/boost/mpl/set/aux_/has_key_impl.hpp
 
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#ifndef BOOST_MPL_SET_AUX_HAS_KEY_IMPL_HPP_INCLUDED
 
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#define BOOST_MPL_SET_AUX_HAS_KEY_IMPL_HPP_INCLUDED
 
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// Copyright Aleksey Gurtovoy 2003-2004
 
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// Copyright David Abrahams 2003-2004
 
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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: has_key_impl.hpp 49267 2008-10-11 06:19:02Z agurtovoy $
 
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// $Date: 2008-10-11 02:19:02 -0400 (Sat, 11 Oct 2008) $
 
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// $Revision: 49267 $
 
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#include <boost/mpl/set/aux_/tag.hpp>
 
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#include <boost/mpl/has_key_fwd.hpp>
 
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#include <boost/mpl/bool.hpp>
 
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#include <boost/mpl/aux_/overload_names.hpp>
 
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#include <boost/mpl/aux_/static_cast.hpp>
 
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#include <boost/mpl/aux_/yes_no.hpp>
 
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#include <boost/mpl/aux_/type_wrapper.hpp>
 
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#include <boost/mpl/aux_/config/workaround.hpp>
 
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#include <boost/mpl/aux_/config/static_constant.hpp>
 
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namespace boost { namespace mpl {
 
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template<>
 
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struct has_key_impl< aux::set_tag >
 
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{
 
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    template< typename Set, typename T > struct apply
 
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#if BOOST_WORKAROUND(BOOST_MSVC, BOOST_TESTED_AT(1400)) \
 
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    || BOOST_WORKAROUND(__EDG_VERSION__, <= 245)
 
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    {
 
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        BOOST_STATIC_CONSTANT(bool, value = 
 
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              ( sizeof( BOOST_MPL_AUX_OVERLOAD_CALL_IS_MASKED(
 
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                    Set
 
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                  , BOOST_MPL_AUX_STATIC_CAST(aux::type_wrapper<T>*, 0)
 
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                  ) ) == sizeof(aux::no_tag) )
 
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            );
 
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        typedef bool_<value> type;
 
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#else // ISO98 C++
 
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        : bool_< 
 
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              ( sizeof( BOOST_MPL_AUX_OVERLOAD_CALL_IS_MASKED(
 
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                    Set
 
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                  , BOOST_MPL_AUX_STATIC_CAST(aux::type_wrapper<T>*, 0)
 
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                  ) ) == sizeof(aux::no_tag) )
 
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            >
 
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    {
 
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#endif
 
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    };
 
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};
 
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}}
 
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#endif // BOOST_MPL_SET_AUX_HAS_KEY_IMPL_HPP_INCLUDED