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diff --git a/3rdParty/Boost/src/boost/multi_index/detail/bidir_node_iterator.hpp b/3rdParty/Boost/src/boost/multi_index/detail/bidir_node_iterator.hpp
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+/* Copyright 2003-2008 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/multi_index for library home page.
+ */
+
+#ifndef BOOST_MULTI_INDEX_DETAIL_BIDIR_NODE_ITERATOR_HPP
+#define BOOST_MULTI_INDEX_DETAIL_BIDIR_NODE_ITERATOR_HPP
+
+#if defined(_MSC_VER)&&(_MSC_VER>=1200)
+#pragma once
+#endif
+
+#include <boost/config.hpp> /* keep it first to prevent nasty warns in MSVC */
+#include <boost/operators.hpp>
+
+#if !defined(BOOST_MULTI_INDEX_DISABLE_SERIALIZATION)
+#include <boost/serialization/nvp.hpp>
+#include <boost/serialization/split_member.hpp>
+#endif
+
+namespace boost{
+
+namespace multi_index{
+
+namespace detail{
+
+/* Iterator class for node-based indices with bidirectional
+ * iterators (ordered and sequenced indices.)
+ */
+
+template<typename Node>
+class bidir_node_iterator:
+  public bidirectional_iterator_helper<
+    bidir_node_iterator<Node>,
+    typename Node::value_type,
+    std::ptrdiff_t,
+    const typename Node::value_type*,
+    const typename Node::value_type&>
+{
+public:
+  bidir_node_iterator(){}
+  explicit bidir_node_iterator(Node* node_):node(node_){}
+
+  const typename Node::value_type& operator*()const
+  {
+    return node->value();
+  }
+
+  bidir_node_iterator& operator++()
+  {
+    Node::increment(node);
+    return *this;
+  }
+
+  bidir_node_iterator& operator--()
+  {
+    Node::decrement(node);
+    return *this;
+  }
+
+#if !defined(BOOST_MULTI_INDEX_DISABLE_SERIALIZATION)
+  /* Serialization. As for why the following is public,
+   * see explanation in safe_mode_iterator notes in safe_mode.hpp.
+   */
+
+  BOOST_SERIALIZATION_SPLIT_MEMBER()
+
+  typedef typename Node::base_type node_base_type;
+
+  template<class Archive>
+  void save(Archive& ar,const unsigned int)const
+  {
+    node_base_type* bnode=node;
+    ar<<serialization::make_nvp("pointer",bnode);
+  }
+
+  template<class Archive>
+  void load(Archive& ar,const unsigned int)
+  {
+    node_base_type* bnode;
+    ar>>serialization::make_nvp("pointer",bnode);
+    node=static_cast<Node*>(bnode);
+  }
+#endif
+
+  /* get_node is not to be used by the user */
+
+  typedef Node node_type;
+
+  Node* get_node()const{return node;}
+
+private:
+  Node* node;
+};
+
+template<typename Node>
+bool operator==(
+  const bidir_node_iterator<Node>& x,
+  const bidir_node_iterator<Node>& y)
+{
+  return x.get_node()==y.get_node();
+}
+
+} /* namespace multi_index::detail */
+
+} /* namespace multi_index */
+
+} /* namespace boost */
+
+#endif