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