47 lines
1.0 KiB
C++
47 lines
1.0 KiB
C++
/* Copyright 2006-2008 Joaquin M Lopez Munoz.
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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/flyweight for library home page.
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*/
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#ifndef BOOST_FLYWEIGHT_NO_TRACKING_HPP
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#define BOOST_FLYWEIGHT_NO_TRACKING_HPP
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#if defined(_MSC_VER)
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#pragma once
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#endif
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#include <boost/config.hpp> /* keep it first to prevent nasty warns in MSVC */
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#include <boost/flyweight/no_tracking_fwd.hpp>
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#include <boost/flyweight/tracking_tag.hpp>
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/* Null tracking policy: elements are never erased from the factory.
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*/
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namespace boost{
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namespace flyweights{
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struct no_tracking:tracking_marker
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{
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struct entry_type
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{
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template<typename Value,typename Key>
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struct apply{typedef Value type;};
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};
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struct handle_type
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{
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template<typename Handle,typename TrackingHelper>
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struct apply{typedef Handle type;};
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};
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};
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} /* namespace flyweights */
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} /* namespace boost */
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#endif
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