boost/flyweight/no_tracking.hpp
/* Copyright 2006-2008 Joaquin M Lopez Munoz.
* Distributed under the Boost Software License, Version 1.0.
* (See accompanying file LICENSE_1_0.txt or copy at
* http://www.boost.org/LICENSE_1_0.txt)
*
* See http://www.boost.org/libs/flyweight for library home page.
*/
#ifndef BOOST_FLYWEIGHT_NO_TRACKING_HPP
#define BOOST_FLYWEIGHT_NO_TRACKING_HPP
#if defined(_MSC_VER)
#pragma once
#endif
#include <boost/config.hpp> /* keep it first to prevent nasty warns in MSVC */
#include <boost/flyweight/no_tracking_fwd.hpp>
#include <boost/flyweight/tracking_tag.hpp>
/* Null tracking policy: elements are never erased from the factory.
*/
namespace boost{
namespace flyweights{
struct no_tracking:tracking_marker
{
struct entry_type
{
template<typename Value,typename Key>
struct apply{typedef Value type;};
};
struct handle_type
{
template<typename Handle,typename TrackingHelper>
struct apply{typedef Handle type;};
};
};
} /* namespace flyweights */
} /* namespace boost */
#endif