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/* 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_DETAIL_DEFAULT_VALUE_POLICY_HPP
#define BOOST_FLYWEIGHT_DETAIL_DEFAULT_VALUE_POLICY_HPP
#if defined(_MSC_VER)&&(_MSC_VER>=1200)
#pragma once
#endif
#include <boost/flyweight/detail/value_tag.hpp>
#include <boost/preprocessor/repetition/enum_params.hpp>
/* Default value policy: the key is the same as the value.
*/
namespace boost{
namespace flyweights{
namespace detail{
template<typename Value>
struct default_value_policy:value_marker
{
typedef Value key_type;
typedef Value value_type;
struct rep_type
{
/* template ctors */
#define BOOST_FLYWEIGHT_PERFECT_FWD_NAME explicit rep_type
#define BOOST_FLYWEIGHT_PERFECT_FWD_BODY(n) \
:x(BOOST_PP_ENUM_PARAMS(n,t)){}
#include <boost/flyweight/detail/perfect_fwd.hpp>
operator const value_type&()const{return x;}
value_type x;
};
static void construct_value(const rep_type&){}
static void copy_value(const rep_type&){}
};
} /* namespace flyweights::detail */
} /* namespace flyweights */
} /* namespace boost */
#endif
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