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Upgrade to boost v1.59.0
This commit is contained in:
Yuri Kunde Schlesner
parent
b7429a09aa
commit
d05c3b4c4b
1151 changed files with 7596 additions and 161426 deletions
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/////////////////////////////////////////////////////////////////////////////
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//
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// (C) Copyright Ion Gaztanaga 2006-2014
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//
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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/intrusive for documentation.
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//
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/////////////////////////////////////////////////////////////////////////////
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#ifndef BOOST_INTRUSIVE_DETAIL_IITERATOR_HPP
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#define BOOST_INTRUSIVE_DETAIL_IITERATOR_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/intrusive/pointer_traits.hpp>
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#include <boost/intrusive/detail/mpl.hpp>
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#include <boost/intrusive/detail/is_stateful_value_traits.hpp>
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#include <boost/intrusive/detail/std_fwd.hpp>
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#include <cstddef>
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namespace boost {
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namespace intrusive {
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template<class Category, class T, class Distance, class Pointer, class Reference>
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struct iterator
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{
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typedef Category iterator_category;
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typedef T value_type;
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typedef Distance difference_type;
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typedef Pointer pointer;
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typedef Reference reference;
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};
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template<class Iterator>
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struct iterator_traits
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{
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typedef typename Iterator::difference_type difference_type;
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typedef typename Iterator::value_type value_type;
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typedef typename Iterator::pointer pointer;
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typedef typename Iterator::reference reference;
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typedef typename Iterator::iterator_category iterator_category;
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};
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template<class T>
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struct iterator_traits<T*>
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{
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typedef std::ptrdiff_t difference_type;
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typedef T value_type;
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typedef T* pointer;
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typedef T& reference;
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typedef std::random_access_iterator_tag iterator_category;
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};
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template<class T>
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struct iterator_traits<const T*>
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{
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typedef std::ptrdiff_t difference_type;
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typedef T value_type;
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typedef const T* pointer;
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typedef const T& reference;
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typedef std::random_access_iterator_tag iterator_category;
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};
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template<class ValueTraits>
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struct value_traits_pointers
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{
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typedef BOOST_INTRUSIVE_OBTAIN_TYPE_WITH_DEFAULT
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(boost::intrusive::detail::
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, ValueTraits, value_traits_ptr
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, typename pointer_traits<typename ValueTraits::node_traits::node_ptr>::template
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rebind_pointer<ValueTraits>::type) value_traits_ptr;
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typedef typename pointer_traits<value_traits_ptr>::template
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rebind_pointer<ValueTraits const>::type const_value_traits_ptr;
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};
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template<class ValueTraits, bool IsConst, class Category>
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struct iiterator
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{
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typedef ValueTraits value_traits;
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typedef typename value_traits::node_traits node_traits;
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typedef typename node_traits::node node;
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typedef typename node_traits::node_ptr node_ptr;
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typedef ::boost::intrusive::pointer_traits<node_ptr> nodepointer_traits_t;
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typedef typename nodepointer_traits_t::template
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rebind_pointer<void>::type void_pointer;
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typedef typename ValueTraits::value_type value_type;
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typedef typename ValueTraits::pointer nonconst_pointer;
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typedef typename ValueTraits::const_pointer yesconst_pointer;
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typedef typename ::boost::intrusive::pointer_traits
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<nonconst_pointer>::reference nonconst_reference;
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typedef typename ::boost::intrusive::pointer_traits
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<yesconst_pointer>::reference yesconst_reference;
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typedef typename nodepointer_traits_t::difference_type difference_type;
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typedef typename detail::if_c
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<IsConst, yesconst_pointer, nonconst_pointer>::type pointer;
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typedef typename detail::if_c
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<IsConst, yesconst_reference, nonconst_reference>::type reference;
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typedef iterator
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< Category
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, value_type
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, difference_type
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, pointer
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, reference
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> iterator_traits;
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typedef typename value_traits_pointers
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<ValueTraits>::value_traits_ptr value_traits_ptr;
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typedef typename value_traits_pointers
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<ValueTraits>::const_value_traits_ptr const_value_traits_ptr;
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static const bool stateful_value_traits =
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detail::is_stateful_value_traits<value_traits>::value;
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};
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template<class NodePtr, class StoredPointer, bool StatefulValueTraits = true>
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struct iiterator_members
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{
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iiterator_members()
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: nodeptr_()//Value initialization to achieve "null iterators" (N3644)
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{}
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iiterator_members(const NodePtr &n_ptr, const StoredPointer &data)
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: nodeptr_(n_ptr), ptr_(data)
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{}
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StoredPointer get_ptr() const
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{ return ptr_; }
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NodePtr nodeptr_;
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StoredPointer ptr_;
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};
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template<class NodePtr, class StoredPointer>
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struct iiterator_members<NodePtr, StoredPointer, false>
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{
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iiterator_members()
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: nodeptr_()//Value initialization to achieve "null iterators" (N3644)
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{}
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iiterator_members(const NodePtr &n_ptr, const StoredPointer &)
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: nodeptr_(n_ptr)
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{}
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StoredPointer get_ptr() const
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{ return StoredPointer(); }
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NodePtr nodeptr_;
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};
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namespace detail {
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template<class InputIt, class Distance> inline
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void advance_impl(InputIt& it, Distance n, const std::input_iterator_tag&)
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{
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while(n--)
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++it;
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}
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template<class InputIt, class Distance> inline
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void advance_impl(InputIt& it, Distance n, std::forward_iterator_tag &)
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{
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while(n--)
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++it;
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}
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template<class InputIt, class Distance> inline
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void advance_impl(InputIt& it, Distance n, std::bidirectional_iterator_tag &)
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{
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for (; 0 < n; --n)
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++it;
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for (; n < 0; ++n)
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--it;
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}
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template<class InputIt, class Distance>
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inline void advance_impl(InputIt& it, Distance n, const std::random_access_iterator_tag &)
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{
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it += n;
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}
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} //namespace detail
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template<class InputIt, class Distance>
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inline void iterator_advance(InputIt& it, Distance n)
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{ // increment iterator by offset, arbitrary iterators
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boost::intrusive::detail::advance_impl(it, n, boost::intrusive::iterator_traits<InputIt>::iterator_category());
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}
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namespace detail{
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template<class InputIt, class Distance, class Category>
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inline void distance_impl(InputIt first, InputIt last, Distance& off, const Category &)
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{
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while(first != last){
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++off;
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++first;
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}
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}
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template<class InputIt, class Distance> inline
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void distance_impl(InputIt first, InputIt last, Distance& off, const std::random_access_iterator_tag&)
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{
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off += last - first;
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}
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} //namespace detail
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template<class InputIt> inline
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typename iterator_traits<InputIt>::difference_type iterator_distance(InputIt first, InputIt last)
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{
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typename iterator_traits<InputIt>::difference_type off = 0;
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boost::intrusive::detail::distance_impl(first, last, off, boost::intrusive::iterator_traits<InputIt>::iterator_category());
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return off;
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}
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} //namespace intrusive
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} //namespace boost
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#endif //BOOST_INTRUSIVE_DETAIL_IITERATOR_HPP
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