/* Copyright 2003-2020 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/multi_index for library home page.
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*/
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#ifndef BOOST_MULTI_INDEX_DETAIL_CONVERTER_HPP
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#define BOOST_MULTI_INDEX_DETAIL_CONVERTER_HPP
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#if defined(_MSC_VER)
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#pragma once
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#endif
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namespace boost{
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namespace multi_index{
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namespace detail{
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/* converter offers means to access indices of a given multi_index_container
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* and for convertibilty between index iterators, so providing a
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* localized access point for get() and project() functions.
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*/
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template<typename MultiIndexContainer,typename Index>
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struct converter
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{
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static const Index& index(const MultiIndexContainer& x){return x;}
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static Index& index(MultiIndexContainer& x){return x;}
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static typename Index::const_iterator const_iterator(
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const MultiIndexContainer& x,
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typename MultiIndexContainer::final_node_type* node)
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{
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return x.Index::make_iterator(node);
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}
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static typename Index::iterator iterator(
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MultiIndexContainer& x,
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typename MultiIndexContainer::final_node_type* node)
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{
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return x.Index::make_iterator(node);
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}
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};
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} /* namespace multi_index::detail */
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} /* namespace multi_index */
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} /* namespace boost */
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#endif
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