Squashed 'third_party/boostorg/container/' content from commit 1ad6431

Change-Id: I7d095db3455264c03446268e5675b926bebedb0a
git-subtree-dir: third_party/boostorg/container
git-subtree-split: 1ad64316a432a7f021b4956acf88abc6aaa8a77e
diff --git a/include/boost/container/detail/tree.hpp b/include/boost/container/detail/tree.hpp
new file mode 100644
index 0000000..c32e992
--- /dev/null
+++ b/include/boost/container/detail/tree.hpp
@@ -0,0 +1,1458 @@
+//////////////////////////////////////////////////////////////////////////////
+//
+// (C) Copyright Ion Gaztanaga 2005-2015. 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/container for documentation.
+//
+//////////////////////////////////////////////////////////////////////////////
+
+#ifndef BOOST_CONTAINER_TREE_HPP
+#define BOOST_CONTAINER_TREE_HPP
+
+#ifndef BOOST_CONFIG_HPP
+#  include <boost/config.hpp>
+#endif
+
+#if defined(BOOST_HAS_PRAGMA_ONCE)
+#  pragma once
+#endif
+
+#include <boost/container/detail/config_begin.hpp>
+#include <boost/container/detail/workaround.hpp>
+// container
+#include <boost/container/allocator_traits.hpp>
+#include <boost/container/container_fwd.hpp>
+#include <boost/container/options.hpp>
+#include <boost/container/node_handle.hpp>
+
+// container/detail
+#include <boost/container/detail/algorithm.hpp> //algo_equal(), algo_lexicographical_compare
+#include <boost/container/detail/compare_functors.hpp>
+#include <boost/container/detail/destroyers.hpp>
+#include <boost/container/detail/iterator.hpp>
+#include <boost/container/detail/iterators.hpp>
+#include <boost/container/detail/node_alloc_holder.hpp>
+#include <boost/container/detail/pair.hpp>
+#include <boost/container/detail/type_traits.hpp>
+// intrusive
+#include <boost/intrusive/pointer_traits.hpp>
+#include <boost/intrusive/rbtree.hpp>
+#include <boost/intrusive/avltree.hpp>
+#include <boost/intrusive/splaytree.hpp>
+#include <boost/intrusive/sgtree.hpp>
+// intrusive/detail
+#include <boost/intrusive/detail/minimal_pair_header.hpp>   //pair
+#include <boost/intrusive/detail/tree_value_compare.hpp>    //tree_value_compare
+// move
+#include <boost/move/utility_core.hpp>
+// move/detail
+#if !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)
+#include <boost/move/detail/fwd_macros.hpp>
+#endif
+#include <boost/move/detail/move_helpers.hpp>
+// other
+#include <boost/core/no_exceptions_support.hpp>
+
+
+
+#include <boost/container/detail/std_fwd.hpp>
+
+namespace boost {
+namespace container {
+namespace dtl {
+
+using boost::intrusive::tree_value_compare;
+
+template<class VoidPointer, boost::container::tree_type_enum tree_type_value, bool OptimizeSize>
+struct intrusive_tree_hook;
+
+template<class VoidPointer, bool OptimizeSize>
+struct intrusive_tree_hook<VoidPointer, boost::container::red_black_tree, OptimizeSize>
+{
+   typedef typename dtl::bi::make_set_base_hook
+      < dtl::bi::void_pointer<VoidPointer>
+      , dtl::bi::link_mode<dtl::bi::normal_link>
+      , dtl::bi::optimize_size<OptimizeSize>
+      >::type  type;
+};
+
+template<class VoidPointer, bool OptimizeSize>
+struct intrusive_tree_hook<VoidPointer, boost::container::avl_tree, OptimizeSize>
+{
+   typedef typename dtl::bi::make_avl_set_base_hook
+      < dtl::bi::void_pointer<VoidPointer>
+      , dtl::bi::link_mode<dtl::bi::normal_link>
+      , dtl::bi::optimize_size<OptimizeSize>
+      >::type  type;
+};
+
+template<class VoidPointer, bool OptimizeSize>
+struct intrusive_tree_hook<VoidPointer, boost::container::scapegoat_tree, OptimizeSize>
+{
+   typedef typename dtl::bi::make_bs_set_base_hook
+      < dtl::bi::void_pointer<VoidPointer>
+      , dtl::bi::link_mode<dtl::bi::normal_link>
+      >::type  type;
+};
+
+template<class VoidPointer, bool OptimizeSize>
+struct intrusive_tree_hook<VoidPointer, boost::container::splay_tree, OptimizeSize>
+{
+   typedef typename dtl::bi::make_bs_set_base_hook
+      < dtl::bi::void_pointer<VoidPointer>
+      , dtl::bi::link_mode<dtl::bi::normal_link>
+      >::type  type;
+};
+
+//This trait is used to type-pun std::pair because in C++03
+//compilers std::pair is useless for C++11 features
+template<class T>
+struct tree_internal_data_type
+{
+   typedef T type;
+};
+
+template<class T1, class T2>
+struct tree_internal_data_type< std::pair<T1, T2> >
+{
+   typedef pair<typename boost::move_detail::remove_const<T1>::type, T2> type;
+};
+
+//The node to be store in the tree
+template <class T, class VoidPointer, boost::container::tree_type_enum tree_type_value, bool OptimizeSize>
+struct tree_node
+   :  public intrusive_tree_hook<VoidPointer, tree_type_value, OptimizeSize>::type
+{
+   private:
+   //BOOST_COPYABLE_AND_MOVABLE(tree_node)
+   tree_node();
+
+   public:
+   typedef typename intrusive_tree_hook
+      <VoidPointer, tree_type_value, OptimizeSize>::type hook_type;
+   typedef T value_type;
+   typedef typename tree_internal_data_type<T>::type     internal_type;
+
+   typedef tree_node< T, VoidPointer
+                    , tree_type_value, OptimizeSize>     node_t;
+
+   BOOST_CONTAINER_FORCEINLINE T &get_data()
+   {
+      T* ptr = reinterpret_cast<T*>(&this->m_data);
+      return *ptr;
+   }
+
+   BOOST_CONTAINER_FORCEINLINE const T &get_data() const
+   {
+      const T* ptr = reinterpret_cast<const T*>(&this->m_data);
+      return *ptr;
+   }
+
+   internal_type m_data;
+
+   template<class T1, class T2>
+   BOOST_CONTAINER_FORCEINLINE void do_assign(const std::pair<const T1, T2> &p)
+   {
+      const_cast<T1&>(m_data.first) = p.first;
+      m_data.second  = p.second;
+   }
+
+   template<class T1, class T2>
+   BOOST_CONTAINER_FORCEINLINE void do_assign(const pair<const T1, T2> &p)
+   {
+      const_cast<T1&>(m_data.first) = p.first;
+      m_data.second  = p.second;
+   }
+
+   template<class V>
+   BOOST_CONTAINER_FORCEINLINE void do_assign(const V &v)
+   {  m_data = v; }
+
+   template<class T1, class T2>
+   BOOST_CONTAINER_FORCEINLINE void do_move_assign(std::pair<const T1, T2> &p)
+   {
+      const_cast<T1&>(m_data.first) = ::boost::move(p.first);
+      m_data.second = ::boost::move(p.second);
+   }
+
+   template<class T1, class T2>
+   BOOST_CONTAINER_FORCEINLINE void do_move_assign(pair<const T1, T2> &p)
+   {
+      const_cast<T1&>(m_data.first) = ::boost::move(p.first);
+      m_data.second  = ::boost::move(p.second);
+   }
+
+   template<class V>
+   BOOST_CONTAINER_FORCEINLINE void do_move_assign(V &v)
+   {  m_data = ::boost::move(v); }
+};
+
+template <class T, class VoidPointer, boost::container::tree_type_enum tree_type_value, bool OptimizeSize>
+struct iiterator_node_value_type< tree_node<T, VoidPointer, tree_type_value, OptimizeSize> > {
+  typedef T type;
+};
+
+template<class Node, class Icont>
+class insert_equal_end_hint_functor
+{
+   Icont &icont_;
+
+   public:
+   BOOST_CONTAINER_FORCEINLINE insert_equal_end_hint_functor(Icont &icont)
+      :  icont_(icont)
+   {}
+
+   BOOST_CONTAINER_FORCEINLINE void operator()(Node &n)
+   {  this->icont_.insert_equal(this->icont_.cend(), n); }
+};
+
+template<class Node, class Icont>
+class push_back_functor
+{
+   Icont &icont_;
+
+   public:
+   BOOST_CONTAINER_FORCEINLINE push_back_functor(Icont &icont)
+      :  icont_(icont)
+   {}
+
+   BOOST_CONTAINER_FORCEINLINE void operator()(Node &n)
+   {  this->icont_.push_back(n); }
+};
+
+}//namespace dtl {
+
+namespace dtl {
+
+template< class NodeType, class NodeCompareType
+        , class SizeType,  class HookType
+        , boost::container::tree_type_enum tree_type_value>
+struct intrusive_tree_dispatch;
+
+template<class NodeType, class NodeCompareType, class SizeType, class HookType>
+struct intrusive_tree_dispatch
+   <NodeType, NodeCompareType, SizeType, HookType, boost::container::red_black_tree>
+{
+   typedef typename dtl::bi::make_rbtree
+      <NodeType
+      ,dtl::bi::compare<NodeCompareType>
+      ,dtl::bi::base_hook<HookType>
+      ,dtl::bi::constant_time_size<true>
+      ,dtl::bi::size_type<SizeType>
+      >::type  type;
+};
+
+template<class NodeType, class NodeCompareType, class SizeType, class HookType>
+struct intrusive_tree_dispatch
+   <NodeType, NodeCompareType, SizeType, HookType, boost::container::avl_tree>
+{
+   typedef typename dtl::bi::make_avltree
+      <NodeType
+      ,dtl::bi::compare<NodeCompareType>
+      ,dtl::bi::base_hook<HookType>
+      ,dtl::bi::constant_time_size<true>
+      ,dtl::bi::size_type<SizeType>
+      >::type  type;
+};
+
+template<class NodeType, class NodeCompareType, class SizeType, class HookType>
+struct intrusive_tree_dispatch
+   <NodeType, NodeCompareType, SizeType, HookType, boost::container::scapegoat_tree>
+{
+   typedef typename dtl::bi::make_sgtree
+      <NodeType
+      ,dtl::bi::compare<NodeCompareType>
+      ,dtl::bi::base_hook<HookType>
+      ,dtl::bi::floating_point<true>
+      ,dtl::bi::size_type<SizeType>
+      >::type  type;
+};
+
+template<class NodeType, class NodeCompareType, class SizeType, class HookType>
+struct intrusive_tree_dispatch
+   <NodeType, NodeCompareType, SizeType, HookType, boost::container::splay_tree>
+{
+   typedef typename dtl::bi::make_splaytree
+      <NodeType
+      ,dtl::bi::compare<NodeCompareType>
+      ,dtl::bi::base_hook<HookType>
+      ,dtl::bi::constant_time_size<true>
+      ,dtl::bi::size_type<SizeType>
+      >::type  type;
+};
+
+template<class Allocator, class ValueCompare, boost::container::tree_type_enum tree_type_value, bool OptimizeSize>
+struct intrusive_tree_type
+{
+   private:
+   typedef typename boost::container::
+      allocator_traits<Allocator>::value_type              value_type;
+   typedef typename boost::container::
+      allocator_traits<Allocator>::void_pointer            void_pointer;
+   typedef typename boost::container::
+      allocator_traits<Allocator>::size_type               size_type;
+   typedef typename dtl::tree_node
+         < value_type, void_pointer
+         , tree_type_value, OptimizeSize>                   node_t;
+   typedef value_to_node_compare
+      <node_t, ValueCompare>                                node_compare_type;
+   //Deducing the hook type from node_t (e.g. node_t::hook_type) would
+   //provoke an early instantiation of node_t that could ruin recursive
+   //tree definitions, so retype the complete type to avoid any problem.
+   typedef typename intrusive_tree_hook
+      <void_pointer, tree_type_value
+      , OptimizeSize>::type                        hook_type;
+   public:
+   typedef typename intrusive_tree_dispatch
+      < node_t, node_compare_type
+      , size_type, hook_type
+      , tree_type_value>::type                     type;
+};
+
+//Trait to detect manually rebalanceable tree types
+template<boost::container::tree_type_enum tree_type_value>
+struct is_manually_balanceable
+{  static const bool value = true;  };
+
+template<>  struct is_manually_balanceable<red_black_tree>
+{  static const bool value = false; };
+
+template<>  struct is_manually_balanceable<avl_tree>
+{  static const bool value = false; };
+
+//Proxy traits to implement different operations depending on the
+//is_manually_balanceable<>::value
+template< boost::container::tree_type_enum tree_type_value
+        , bool IsManuallyRebalanceable = is_manually_balanceable<tree_type_value>::value>
+struct intrusive_tree_proxy
+{
+   template<class Icont>
+   BOOST_CONTAINER_FORCEINLINE static void rebalance(Icont &)   {}
+};
+
+template<boost::container::tree_type_enum tree_type_value>
+struct intrusive_tree_proxy<tree_type_value, true>
+{
+   template<class Icont>
+   BOOST_CONTAINER_FORCEINLINE static void rebalance(Icont &c)
+   {  c.rebalance(); }
+};
+
+}  //namespace dtl {
+
+namespace dtl {
+
+//This functor will be used with Intrusive clone functions to obtain
+//already allocated nodes from a intrusive container instead of
+//allocating new ones. When the intrusive container runs out of nodes
+//the node holder is used instead.
+template<class AllocHolder, bool DoMove>
+class RecyclingCloner
+{
+   typedef typename AllocHolder::intrusive_container  intrusive_container;
+   typedef typename AllocHolder::Node                 node_t;
+   typedef typename AllocHolder::NodePtr              node_ptr_type;
+
+   public:
+   RecyclingCloner(AllocHolder &holder, intrusive_container &itree)
+      :  m_holder(holder), m_icont(itree)
+   {}
+
+   BOOST_CONTAINER_FORCEINLINE static void do_assign(node_ptr_type &p, const node_t &other, bool_<true>)
+   {  p->do_move_assign(const_cast<node_t &>(other).m_data);   }
+
+   BOOST_CONTAINER_FORCEINLINE static void do_assign(node_ptr_type &p, const node_t &other, bool_<false>)
+   {  p->do_assign(other.m_data);   }
+
+   node_ptr_type operator()(const node_t &other) const
+   {
+      if(node_ptr_type p = m_icont.unlink_leftmost_without_rebalance()){
+         //First recycle a node (this can't throw)
+         BOOST_TRY{
+            //This can throw
+            this->do_assign(p, other, bool_<DoMove>());
+            return p;
+         }
+         BOOST_CATCH(...){
+            //If there is an exception destroy the whole source
+            m_holder.destroy_node(p);
+            while((p = m_icont.unlink_leftmost_without_rebalance())){
+               m_holder.destroy_node(p);
+            }
+            BOOST_RETHROW
+         }
+         BOOST_CATCH_END
+      }
+      else{
+         return m_holder.create_node(other.m_data);
+      }
+   }
+
+   AllocHolder &m_holder;
+   intrusive_container &m_icont;
+};
+
+
+template<class KeyCompare, class KeyOfValue>
+struct key_node_compare
+   :  public boost::intrusive::detail::ebo_functor_holder<KeyCompare>
+{
+   BOOST_CONTAINER_FORCEINLINE explicit key_node_compare(const KeyCompare &comp)
+      :  base_t(comp)
+   {}
+
+   typedef boost::intrusive::detail::ebo_functor_holder<KeyCompare> base_t;
+   typedef KeyCompare                  key_compare;
+   typedef KeyOfValue                  key_of_value;
+   typedef typename KeyOfValue::type   key_type;
+
+
+   template <class T, class VoidPointer, boost::container::tree_type_enum tree_type_value, bool OptimizeSize>
+   BOOST_CONTAINER_FORCEINLINE static const key_type &
+      key_from(const tree_node<T, VoidPointer, tree_type_value, OptimizeSize> &n)
+   {
+      return key_of_value()(n.get_data());
+   }
+
+   template <class T>
+   BOOST_CONTAINER_FORCEINLINE static const T &
+      key_from(const T &t)
+   {
+      return t;
+   }
+
+   BOOST_CONTAINER_FORCEINLINE const key_compare &key_comp() const
+   {  return static_cast<const key_compare &>(*this);  }
+
+   BOOST_CONTAINER_FORCEINLINE key_compare &key_comp()
+   {  return static_cast<key_compare &>(*this);  }
+
+   BOOST_CONTAINER_FORCEINLINE bool operator()(const key_type &key1, const key_type &key2) const
+   {  return this->key_comp()(key1, key2);  }
+
+   template<class U>
+   BOOST_CONTAINER_FORCEINLINE bool operator()(const key_type &key1, const U &nonkey2) const
+   {  return this->key_comp()(key1, this->key_from(nonkey2));  }
+
+   template<class U>
+   BOOST_CONTAINER_FORCEINLINE bool operator()(const U &nonkey1, const key_type &key2) const
+   {  return this->key_comp()(this->key_from(nonkey1), key2);  }
+
+   template<class U, class V>
+   BOOST_CONTAINER_FORCEINLINE bool operator()(const U &nonkey1, const V &nonkey2) const
+   {  return this->key_comp()(this->key_from(nonkey1), this->key_from(nonkey2));  }
+};
+
+template<class Options>
+struct get_tree_opt
+{
+   typedef Options type;
+};
+
+template<>
+struct get_tree_opt<void>
+{
+   typedef tree_assoc_defaults type;
+};
+
+template <class T, class KeyOfValue, class Compare, class Allocator, class Options>
+class tree
+   : public dtl::node_alloc_holder
+      < Allocator
+      , typename dtl::intrusive_tree_type
+         < Allocator, tree_value_compare
+            <typename allocator_traits<Allocator>::pointer, Compare, KeyOfValue>
+         , get_tree_opt<Options>::type::tree_type
+         , get_tree_opt<Options>::type::optimize_size
+         >::type
+      >
+{
+   typedef tree_value_compare
+      < typename allocator_traits<Allocator>::pointer
+      , Compare, KeyOfValue>                                ValComp;
+   typedef typename get_tree_opt<Options>::type             options_type;
+   typedef typename dtl::intrusive_tree_type
+         < Allocator, ValComp
+         , options_type::tree_type
+         , options_type::optimize_size
+         >::type                                            Icont;
+   typedef dtl::node_alloc_holder
+      <Allocator, Icont>                                    AllocHolder;
+   typedef typename AllocHolder::NodePtr                    NodePtr;
+   typedef tree < T, KeyOfValue
+                , Compare, Allocator, Options>              ThisType;
+   typedef typename AllocHolder::NodeAlloc                  NodeAlloc;
+   typedef boost::container::
+      allocator_traits<NodeAlloc>                           allocator_traits_type;
+   typedef typename AllocHolder::ValAlloc                   ValAlloc;
+   typedef typename AllocHolder::Node                       Node;
+   typedef typename Icont::iterator                         iiterator;
+   typedef typename Icont::const_iterator                   iconst_iterator;
+   typedef dtl::allocator_destroyer<NodeAlloc> Destroyer;
+   typedef typename AllocHolder::alloc_version              alloc_version;
+   typedef intrusive_tree_proxy<options_type::tree_type>    intrusive_tree_proxy_t;
+
+   BOOST_COPYABLE_AND_MOVABLE(tree)
+
+   public:
+
+   typedef typename KeyOfValue::type                  key_type;
+   typedef T                                          value_type;
+   typedef Allocator                                  allocator_type;
+   typedef Compare                                    key_compare;
+   typedef ValComp                                    value_compare;
+   typedef typename boost::container::
+      allocator_traits<Allocator>::pointer            pointer;
+   typedef typename boost::container::
+      allocator_traits<Allocator>::const_pointer      const_pointer;
+   typedef typename boost::container::
+      allocator_traits<Allocator>::reference          reference;
+   typedef typename boost::container::
+      allocator_traits<Allocator>::const_reference    const_reference;
+   typedef typename boost::container::
+      allocator_traits<Allocator>::size_type          size_type;
+   typedef typename boost::container::
+      allocator_traits<Allocator>::difference_type    difference_type;
+   typedef dtl::iterator_from_iiterator
+      <iiterator, false>                              iterator;
+   typedef dtl::iterator_from_iiterator
+      <iiterator, true >                              const_iterator;
+   typedef boost::container::reverse_iterator
+      <iterator>                                      reverse_iterator;
+   typedef boost::container::reverse_iterator
+      <const_iterator>                                const_reverse_iterator;
+   typedef node_handle
+      < NodeAlloc, void>                              node_type;
+   typedef insert_return_type_base
+      <iterator, node_type>                           insert_return_type;
+
+   typedef NodeAlloc                                  stored_allocator_type;
+
+   private:
+
+   typedef key_node_compare<key_compare, KeyOfValue>  KeyNodeCompare;
+
+   public:
+
+   BOOST_CONTAINER_FORCEINLINE tree()
+      : AllocHolder()
+   {}
+
+   BOOST_CONTAINER_FORCEINLINE explicit tree(const key_compare& comp)
+      : AllocHolder(ValComp(comp))
+   {}
+
+   BOOST_CONTAINER_FORCEINLINE explicit tree(const key_compare& comp, const allocator_type& a)
+      : AllocHolder(ValComp(comp), a)
+   {}
+
+   BOOST_CONTAINER_FORCEINLINE explicit tree(const allocator_type& a)
+      : AllocHolder(a)
+   {}
+
+   template <class InputIterator>
+   tree(bool unique_insertion, InputIterator first, InputIterator last)
+      : AllocHolder(value_compare(key_compare()))
+   {
+      this->tree_construct(unique_insertion, first, last);
+      //AllocHolder clears in case of exception
+   }
+
+   template <class InputIterator>
+   tree(bool unique_insertion, InputIterator first, InputIterator last, const key_compare& comp)
+      : AllocHolder(value_compare(comp))
+   {
+      this->tree_construct(unique_insertion, first, last);
+      //AllocHolder clears in case of exception
+   }
+
+   template <class InputIterator>
+   tree(bool unique_insertion, InputIterator first, InputIterator last, const key_compare& comp, const allocator_type& a)
+      : AllocHolder(value_compare(comp), a)
+   {
+      this->tree_construct(unique_insertion, first, last);
+      //AllocHolder clears in case of exception
+   }
+
+   //construct with ordered range
+   template <class InputIterator>
+   tree( ordered_range_t, InputIterator first, InputIterator last)
+      : AllocHolder(value_compare(key_compare()))
+   {
+      this->tree_construct(ordered_range_t(), first, last);
+   }
+
+   template <class InputIterator>
+   tree( ordered_range_t, InputIterator first, InputIterator last, const key_compare& comp)
+      : AllocHolder(value_compare(comp))
+   {
+      this->tree_construct(ordered_range_t(), first, last);
+   }
+
+   template <class InputIterator>
+   tree( ordered_range_t, InputIterator first, InputIterator last
+         , const key_compare& comp, const allocator_type& a)
+      : AllocHolder(value_compare(comp), a)
+   {
+      this->tree_construct(ordered_range_t(), first, last);
+   }
+
+   private:
+
+   template <class InputIterator>
+   void tree_construct(bool unique_insertion, InputIterator first, InputIterator last)
+   {
+      //Use cend() as hint to achieve linear time for
+      //ordered ranges as required by the standard
+      //for the constructor
+      if(unique_insertion){
+         const const_iterator end_it(this->cend());
+         for ( ; first != last; ++first){
+            this->insert_unique_convertible(end_it, *first);
+         }
+      }
+      else{
+         this->tree_construct_non_unique(first, last);
+      }
+   }
+
+   template <class InputIterator>
+   void tree_construct_non_unique(InputIterator first, InputIterator last
+      #if !defined(BOOST_CONTAINER_DOXYGEN_INVOKED)
+      , typename dtl::enable_if_or
+         < void
+         , dtl::is_same<alloc_version, version_1>
+         , dtl::is_input_iterator<InputIterator>
+         >::type * = 0
+      #endif
+         )
+   {
+      //Use cend() as hint to achieve linear time for
+      //ordered ranges as required by the standard
+      //for the constructor
+      const const_iterator end_it(this->cend());
+      for ( ; first != last; ++first){
+         this->insert_equal_convertible(end_it, *first);
+      }
+   }
+
+   template <class InputIterator>
+   void tree_construct_non_unique(InputIterator first, InputIterator last
+      #if !defined(BOOST_CONTAINER_DOXYGEN_INVOKED)
+      , typename dtl::disable_if_or
+         < void
+         , dtl::is_same<alloc_version, version_1>
+         , dtl::is_input_iterator<InputIterator>
+         >::type * = 0
+      #endif
+         )
+   {
+      //Optimized allocation and construction
+      this->allocate_many_and_construct
+         ( first, boost::container::iterator_distance(first, last)
+         , insert_equal_end_hint_functor<Node, Icont>(this->icont()));
+   }
+
+   template <class InputIterator>
+   void tree_construct( ordered_range_t, InputIterator first, InputIterator last
+         #if !defined(BOOST_CONTAINER_DOXYGEN_INVOKED)
+      , typename dtl::disable_if_or
+         < void
+         , dtl::is_same<alloc_version, version_1>
+         , dtl::is_input_iterator<InputIterator>
+         >::type * = 0
+         #endif
+         )
+   {
+      //Optimized allocation and construction
+      this->allocate_many_and_construct
+         ( first, boost::container::iterator_distance(first, last)
+         , dtl::push_back_functor<Node, Icont>(this->icont()));
+      //AllocHolder clears in case of exception
+   }
+
+   template <class InputIterator>
+   void tree_construct( ordered_range_t, InputIterator first, InputIterator last
+         #if !defined(BOOST_CONTAINER_DOXYGEN_INVOKED)
+      , typename dtl::enable_if_or
+         < void
+         , dtl::is_same<alloc_version, version_1>
+         , dtl::is_input_iterator<InputIterator>
+         >::type * = 0
+         #endif
+         )
+   {
+      for ( ; first != last; ++first){
+         this->push_back_impl(*first);
+      }
+   }
+
+   public:
+
+   BOOST_CONTAINER_FORCEINLINE tree(const tree& x)
+      :  AllocHolder(x, x.value_comp())
+   {
+      this->icont().clone_from
+         (x.icont(), typename AllocHolder::cloner(*this), Destroyer(this->node_alloc()));
+   }
+
+   BOOST_CONTAINER_FORCEINLINE tree(BOOST_RV_REF(tree) x)
+      BOOST_NOEXCEPT_IF(boost::container::dtl::is_nothrow_move_constructible<Compare>::value)
+      :  AllocHolder(BOOST_MOVE_BASE(AllocHolder, x), x.value_comp())
+   {}
+
+   BOOST_CONTAINER_FORCEINLINE tree(const tree& x, const allocator_type &a)
+      :  AllocHolder(x.value_comp(), a)
+   {
+      this->icont().clone_from
+         (x.icont(), typename AllocHolder::cloner(*this), Destroyer(this->node_alloc()));
+      //AllocHolder clears in case of exception
+   }
+
+   tree(BOOST_RV_REF(tree) x, const allocator_type &a)
+      :  AllocHolder(x.value_comp(), a)
+   {
+      if(this->node_alloc() == x.node_alloc()){
+         this->icont().swap(x.icont());
+      }
+      else{
+         this->icont().clone_from
+            (boost::move(x.icont()), typename AllocHolder::move_cloner(*this), Destroyer(this->node_alloc()));
+      }
+      //AllocHolder clears in case of exception
+   }
+
+   BOOST_CONTAINER_FORCEINLINE ~tree()
+   {} //AllocHolder clears the tree
+
+   tree& operator=(BOOST_COPY_ASSIGN_REF(tree) x)
+   {
+      if (&x != this){
+         NodeAlloc &this_alloc     = this->get_stored_allocator();
+         const NodeAlloc &x_alloc  = x.get_stored_allocator();
+         dtl::bool_<allocator_traits<NodeAlloc>::
+            propagate_on_container_copy_assignment::value> flag;
+         if(flag && this_alloc != x_alloc){
+            this->clear();
+         }
+         this->AllocHolder::copy_assign_alloc(x);
+         //Transfer all the nodes to a temporary tree
+         //If anything goes wrong, all the nodes will be destroyed
+         //automatically
+         Icont other_tree(::boost::move(this->icont()));
+
+         //Now recreate the source tree reusing nodes stored by other_tree
+         this->icont().clone_from
+            (x.icont()
+            , RecyclingCloner<AllocHolder, false>(*this, other_tree)
+            , Destroyer(this->node_alloc()));
+
+         //If there are remaining nodes, destroy them
+         NodePtr p;
+         while((p = other_tree.unlink_leftmost_without_rebalance())){
+            AllocHolder::destroy_node(p);
+         }
+      }
+      return *this;
+   }
+
+   tree& operator=(BOOST_RV_REF(tree) x)
+      BOOST_NOEXCEPT_IF( (allocator_traits_type::propagate_on_container_move_assignment::value ||
+                          allocator_traits_type::is_always_equal::value) &&
+                           boost::container::dtl::is_nothrow_move_assignable<Compare>::value)
+   {
+      BOOST_ASSERT(this != &x);
+      NodeAlloc &this_alloc = this->node_alloc();
+      NodeAlloc &x_alloc    = x.node_alloc();
+      const bool propagate_alloc = allocator_traits<NodeAlloc>::
+            propagate_on_container_move_assignment::value;
+      const bool allocators_equal = this_alloc == x_alloc; (void)allocators_equal;
+      //Resources can be transferred if both allocators are
+      //going to be equal after this function (either propagated or already equal)
+      if(propagate_alloc || allocators_equal){
+         //Destroy
+         this->clear();
+         //Move allocator if needed
+         this->AllocHolder::move_assign_alloc(x);
+         //Obtain resources
+         this->icont() = boost::move(x.icont());
+      }
+      //Else do a one by one move
+      else{
+         //Transfer all the nodes to a temporary tree
+         //If anything goes wrong, all the nodes will be destroyed
+         //automatically
+         Icont other_tree(::boost::move(this->icont()));
+
+         //Now recreate the source tree reusing nodes stored by other_tree
+         this->icont().clone_from
+            (::boost::move(x.icont())
+            , RecyclingCloner<AllocHolder, true>(*this, other_tree)
+            , Destroyer(this->node_alloc()));
+
+         //If there are remaining nodes, destroy them
+         NodePtr p;
+         while((p = other_tree.unlink_leftmost_without_rebalance())){
+            AllocHolder::destroy_node(p);
+         }
+      }
+      return *this;
+   }
+
+   public:
+   // accessors:
+   BOOST_CONTAINER_FORCEINLINE value_compare value_comp() const
+   {  return this->icont().value_comp().predicate(); }
+
+   BOOST_CONTAINER_FORCEINLINE key_compare key_comp() const
+   {  return this->icont().value_comp().predicate().key_comp(); }
+
+   BOOST_CONTAINER_FORCEINLINE allocator_type get_allocator() const
+   {  return allocator_type(this->node_alloc()); }
+
+   BOOST_CONTAINER_FORCEINLINE const stored_allocator_type &get_stored_allocator() const
+   {  return this->node_alloc(); }
+
+   BOOST_CONTAINER_FORCEINLINE stored_allocator_type &get_stored_allocator()
+   {  return this->node_alloc(); }
+
+   BOOST_CONTAINER_FORCEINLINE iterator begin()
+   { return iterator(this->icont().begin()); }
+
+   BOOST_CONTAINER_FORCEINLINE const_iterator begin() const
+   {  return this->cbegin();  }
+
+   BOOST_CONTAINER_FORCEINLINE iterator end()
+   {  return iterator(this->icont().end());  }
+
+   BOOST_CONTAINER_FORCEINLINE const_iterator end() const
+   {  return this->cend();  }
+
+   BOOST_CONTAINER_FORCEINLINE reverse_iterator rbegin()
+   {  return reverse_iterator(end());  }
+
+   BOOST_CONTAINER_FORCEINLINE const_reverse_iterator rbegin() const
+   {  return this->crbegin();  }
+
+   BOOST_CONTAINER_FORCEINLINE reverse_iterator rend()
+   {  return reverse_iterator(begin());   }
+
+   BOOST_CONTAINER_FORCEINLINE const_reverse_iterator rend() const
+   {  return this->crend();   }
+
+   //! <b>Effects</b>: Returns a const_iterator to the first element contained in the container.
+   //!
+   //! <b>Throws</b>: Nothing.
+   //!
+   //! <b>Complexity</b>: Constant.
+   BOOST_CONTAINER_FORCEINLINE const_iterator cbegin() const
+   { return const_iterator(this->non_const_icont().begin()); }
+
+   //! <b>Effects</b>: Returns a const_iterator to the end of the container.
+   //!
+   //! <b>Throws</b>: Nothing.
+   //!
+   //! <b>Complexity</b>: Constant.
+   BOOST_CONTAINER_FORCEINLINE const_iterator cend() const
+   { return const_iterator(this->non_const_icont().end()); }
+
+   //! <b>Effects</b>: Returns a const_reverse_iterator pointing to the beginning
+   //! of the reversed container.
+   //!
+   //! <b>Throws</b>: Nothing.
+   //!
+   //! <b>Complexity</b>: Constant.
+   BOOST_CONTAINER_FORCEINLINE const_reverse_iterator crbegin() const
+   { return const_reverse_iterator(cend()); }
+
+   //! <b>Effects</b>: Returns a const_reverse_iterator pointing to the end
+   //! of the reversed container.
+   //!
+   //! <b>Throws</b>: Nothing.
+   //!
+   //! <b>Complexity</b>: Constant.
+   BOOST_CONTAINER_FORCEINLINE const_reverse_iterator crend() const
+   { return const_reverse_iterator(cbegin()); }
+
+   BOOST_CONTAINER_FORCEINLINE bool empty() const
+   {  return !this->size();  }
+
+   BOOST_CONTAINER_FORCEINLINE size_type size() const
+   {  return this->icont().size();   }
+
+   BOOST_CONTAINER_FORCEINLINE size_type max_size() const
+   {  return AllocHolder::max_size();  }
+
+   BOOST_CONTAINER_FORCEINLINE void swap(ThisType& x)
+      BOOST_NOEXCEPT_IF(  allocator_traits_type::is_always_equal::value
+                                 && boost::container::dtl::is_nothrow_swappable<Compare>::value )
+   {  AllocHolder::swap(x);   }
+
+   public:
+
+   typedef typename Icont::insert_commit_data insert_commit_data;
+
+   // insert/erase
+   std::pair<iterator,bool> insert_unique_check
+      (const key_type& key, insert_commit_data &data)
+   {
+      std::pair<iiterator, bool> ret =
+         this->icont().insert_unique_check(key, KeyNodeCompare(key_comp()), data);
+      return std::pair<iterator, bool>(iterator(ret.first), ret.second);
+   }
+
+   std::pair<iterator,bool> insert_unique_check
+      (const_iterator hint, const key_type& key, insert_commit_data &data)
+   {
+      BOOST_ASSERT((priv_is_linked)(hint));
+      std::pair<iiterator, bool> ret =
+         this->icont().insert_unique_check(hint.get(), key, KeyNodeCompare(key_comp()), data);
+      return std::pair<iterator, bool>(iterator(ret.first), ret.second);
+   }
+
+   template<class MovableConvertible>
+   iterator insert_unique_commit
+      (BOOST_FWD_REF(MovableConvertible) v, insert_commit_data &data)
+   {
+      NodePtr tmp = AllocHolder::create_node(boost::forward<MovableConvertible>(v));
+      scoped_destroy_deallocator<NodeAlloc> destroy_deallocator(tmp, this->node_alloc());
+      iterator ret(this->icont().insert_unique_commit(*tmp, data));
+      destroy_deallocator.release();
+      return ret;
+   }
+
+   template<class MovableConvertible>
+   std::pair<iterator,bool> insert_unique(BOOST_FWD_REF(MovableConvertible) v)
+   {
+      insert_commit_data data;
+      std::pair<iterator,bool> ret =
+         this->insert_unique_check(KeyOfValue()(v), data);
+      if(ret.second){
+         ret.first = this->insert_unique_commit(boost::forward<MovableConvertible>(v), data);
+      }
+      return ret;
+   }
+
+   private:
+
+   template<class KeyConvertible, class M>
+   iiterator priv_insert_or_assign_commit
+      (BOOST_FWD_REF(KeyConvertible) key, BOOST_FWD_REF(M) obj, insert_commit_data &data)
+   {
+      NodePtr tmp = AllocHolder::create_node(boost::forward<KeyConvertible>(key), boost::forward<M>(obj));
+      scoped_destroy_deallocator<NodeAlloc> destroy_deallocator(tmp, this->node_alloc());
+      iiterator ret(this->icont().insert_unique_commit(*tmp, data));
+      destroy_deallocator.release();
+      return ret;
+   }
+
+   bool priv_is_linked(const_iterator const position) const
+   {
+      iiterator const cur(position.get());
+      return   cur == this->icont().end() ||
+               cur == this->icont().root() ||
+               iiterator(cur).go_parent().go_left()  == cur ||
+               iiterator(cur).go_parent().go_right() == cur;
+   }
+
+   template<class MovableConvertible>
+   void push_back_impl(BOOST_FWD_REF(MovableConvertible) v)
+   {
+      NodePtr tmp(AllocHolder::create_node(boost::forward<MovableConvertible>(v)));
+      //push_back has no-throw guarantee so avoid any deallocator/destroyer
+      this->icont().push_back(*tmp);
+   }
+
+   std::pair<iterator, bool> emplace_unique_impl(NodePtr p)
+   {
+      value_type &v = p->get_data();
+      insert_commit_data data;
+      scoped_destroy_deallocator<NodeAlloc> destroy_deallocator(p, this->node_alloc());
+      std::pair<iterator,bool> ret =
+         this->insert_unique_check(KeyOfValue()(v), data);
+      if(!ret.second){
+         return ret;
+      }
+      //No throw insertion part, release rollback
+      destroy_deallocator.release();
+      return std::pair<iterator,bool>
+         ( iterator(this->icont().insert_unique_commit(*p, data))
+         , true );
+   }
+
+   iterator emplace_unique_hint_impl(const_iterator hint, NodePtr p)
+   {
+      BOOST_ASSERT((priv_is_linked)(hint));
+      value_type &v = p->get_data();
+      insert_commit_data data;
+      std::pair<iterator,bool> ret =
+         this->insert_unique_check(hint, KeyOfValue()(v), data);
+      if(!ret.second){
+         Destroyer(this->node_alloc())(p);
+         return ret.first;
+      }
+      return iterator(this->icont().insert_unique_commit(*p, data));
+   }
+
+   public:
+
+   #if !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)
+
+   template <class... Args>
+   BOOST_CONTAINER_FORCEINLINE std::pair<iterator, bool> emplace_unique(BOOST_FWD_REF(Args)... args)
+   {  return this->emplace_unique_impl(AllocHolder::create_node(boost::forward<Args>(args)...));   }
+
+   template <class... Args>
+   BOOST_CONTAINER_FORCEINLINE iterator emplace_hint_unique(const_iterator hint, BOOST_FWD_REF(Args)... args)
+   {  return this->emplace_unique_hint_impl(hint, AllocHolder::create_node(boost::forward<Args>(args)...));   }
+
+   template <class... Args>
+   iterator emplace_equal(BOOST_FWD_REF(Args)... args)
+   {
+      NodePtr tmp(AllocHolder::create_node(boost::forward<Args>(args)...));
+      scoped_destroy_deallocator<NodeAlloc> destroy_deallocator(tmp, this->node_alloc());
+      iterator ret(this->icont().insert_equal(this->icont().end(), *tmp));
+      destroy_deallocator.release();
+      return ret;
+   }
+
+   template <class... Args>
+   iterator emplace_hint_equal(const_iterator hint, BOOST_FWD_REF(Args)... args)
+   {
+      BOOST_ASSERT((priv_is_linked)(hint));
+      NodePtr tmp(AllocHolder::create_node(boost::forward<Args>(args)...));
+      scoped_destroy_deallocator<NodeAlloc> destroy_deallocator(tmp, this->node_alloc());
+      iterator ret(this->icont().insert_equal(hint.get(), *tmp));
+      destroy_deallocator.release();
+      return ret;
+   }
+
+   template <class KeyType, class... Args>
+   BOOST_CONTAINER_FORCEINLINE std::pair<iterator, bool> try_emplace
+      (const_iterator hint, BOOST_FWD_REF(KeyType) key, BOOST_FWD_REF(Args)... args)
+   {
+      insert_commit_data data;
+      const key_type & k = key;  //Support emulated rvalue references
+      std::pair<iiterator, bool> ret =
+         hint == const_iterator() ? this->icont().insert_unique_check(            k, KeyNodeCompare(key_comp()), data)
+                                  : this->icont().insert_unique_check(hint.get(), k, KeyNodeCompare(key_comp()), data);
+      if(ret.second){
+         ret.first = this->icont().insert_unique_commit
+            (*AllocHolder::create_node(try_emplace_t(), boost::forward<KeyType>(key), boost::forward<Args>(args)...), data);
+      }
+      return std::pair<iterator, bool>(iterator(ret.first), ret.second);
+   }
+
+   #else // !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)
+
+   #define BOOST_CONTAINER_TREE_EMPLACE_CODE(N) \
+   BOOST_MOVE_TMPL_LT##N BOOST_MOVE_CLASS##N BOOST_MOVE_GT##N \
+   std::pair<iterator, bool> emplace_unique(BOOST_MOVE_UREF##N)\
+   {  return this->emplace_unique_impl(AllocHolder::create_node(BOOST_MOVE_FWD##N));  }\
+   \
+   BOOST_MOVE_TMPL_LT##N BOOST_MOVE_CLASS##N BOOST_MOVE_GT##N \
+   iterator emplace_hint_unique(const_iterator hint BOOST_MOVE_I##N BOOST_MOVE_UREF##N)\
+   {  return this->emplace_unique_hint_impl(hint, AllocHolder::create_node(BOOST_MOVE_FWD##N)); }\
+   \
+   BOOST_MOVE_TMPL_LT##N BOOST_MOVE_CLASS##N BOOST_MOVE_GT##N \
+   iterator emplace_equal(BOOST_MOVE_UREF##N)\
+   {\
+      NodePtr tmp(AllocHolder::create_node(BOOST_MOVE_FWD##N));\
+      scoped_destroy_deallocator<NodeAlloc> destroy_deallocator(tmp, this->node_alloc());\
+      iterator ret(this->icont().insert_equal(this->icont().end(), *tmp));\
+      destroy_deallocator.release();\
+      return ret;\
+   }\
+   \
+   BOOST_MOVE_TMPL_LT##N BOOST_MOVE_CLASS##N BOOST_MOVE_GT##N \
+   iterator emplace_hint_equal(const_iterator hint BOOST_MOVE_I##N BOOST_MOVE_UREF##N)\
+   {\
+      BOOST_ASSERT((priv_is_linked)(hint));\
+      NodePtr tmp(AllocHolder::create_node(BOOST_MOVE_FWD##N));\
+      scoped_destroy_deallocator<NodeAlloc> destroy_deallocator(tmp, this->node_alloc());\
+      iterator ret(this->icont().insert_equal(hint.get(), *tmp));\
+      destroy_deallocator.release();\
+      return ret;\
+   }\
+   \
+   template <class KeyType BOOST_MOVE_I##N BOOST_MOVE_CLASS##N>\
+   BOOST_CONTAINER_FORCEINLINE std::pair<iterator, bool>\
+      try_emplace(const_iterator hint, BOOST_FWD_REF(KeyType) key BOOST_MOVE_I##N BOOST_MOVE_UREF##N)\
+   {\
+      insert_commit_data data;\
+      const key_type & k = key;\
+      std::pair<iiterator, bool> ret =\
+         hint == const_iterator() ? this->icont().insert_unique_check(            k, KeyNodeCompare(key_comp()), data)\
+                                  : this->icont().insert_unique_check(hint.get(), k, KeyNodeCompare(key_comp()), data);\
+      if(ret.second){\
+         ret.first = this->icont().insert_unique_commit\
+            (*AllocHolder::create_node(try_emplace_t(), boost::forward<KeyType>(key) BOOST_MOVE_I##N BOOST_MOVE_FWD##N), data);\
+      }\
+      return std::pair<iterator, bool>(iterator(ret.first), ret.second);\
+   }\
+   //
+   BOOST_MOVE_ITERATE_0TO9(BOOST_CONTAINER_TREE_EMPLACE_CODE)
+   #undef BOOST_CONTAINER_TREE_EMPLACE_CODE
+
+   #endif   // !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)
+
+   template<class MovableConvertible>
+   iterator insert_unique_convertible(const_iterator hint, BOOST_FWD_REF(MovableConvertible) v)
+   {
+      BOOST_ASSERT((priv_is_linked)(hint));
+      insert_commit_data data;
+      std::pair<iterator,bool> ret =
+         this->insert_unique_check(hint, KeyOfValue()(v), data);
+      if(!ret.second)
+         return ret.first;
+      return this->insert_unique_commit(boost::forward<MovableConvertible>(v), data);
+   }
+
+   BOOST_MOVE_CONVERSION_AWARE_CATCH_1ARG(insert_unique, value_type, iterator, this->insert_unique_convertible, const_iterator, const_iterator)
+
+   template <class InputIterator>
+   void insert_unique(InputIterator first, InputIterator last)
+   {
+      for( ; first != last; ++first)
+         this->insert_unique(*first);
+   }
+
+   iterator insert_equal(const value_type& v)
+   {
+      NodePtr tmp(AllocHolder::create_node(v));
+      scoped_destroy_deallocator<NodeAlloc> destroy_deallocator(tmp, this->node_alloc());
+      iterator ret(this->icont().insert_equal(this->icont().end(), *tmp));
+      destroy_deallocator.release();
+      return ret;
+   }
+
+   template<class MovableConvertible>
+   iterator insert_equal(BOOST_FWD_REF(MovableConvertible) v)
+   {
+      NodePtr tmp(AllocHolder::create_node(boost::forward<MovableConvertible>(v)));
+      scoped_destroy_deallocator<NodeAlloc> destroy_deallocator(tmp, this->node_alloc());
+      iterator ret(this->icont().insert_equal(this->icont().end(), *tmp));
+      destroy_deallocator.release();
+      return ret;
+   }
+
+   template<class MovableConvertible>
+   iterator insert_equal_convertible(const_iterator hint, BOOST_FWD_REF(MovableConvertible) v)
+   {
+      BOOST_ASSERT((priv_is_linked)(hint));
+      NodePtr tmp(AllocHolder::create_node(boost::forward<MovableConvertible>(v)));
+      scoped_destroy_deallocator<NodeAlloc> destroy_deallocator(tmp, this->node_alloc());
+      iterator ret(this->icont().insert_equal(hint.get(), *tmp));
+      destroy_deallocator.release();
+      return ret;
+   }
+
+   BOOST_MOVE_CONVERSION_AWARE_CATCH_1ARG(insert_equal, value_type, iterator, this->insert_equal_convertible, const_iterator, const_iterator)
+
+   template <class InputIterator>
+   void insert_equal(InputIterator first, InputIterator last)
+   {
+      for( ; first != last; ++first)
+         this->insert_equal(*first);
+   }
+
+   template<class KeyType, class M>
+   std::pair<iterator, bool> insert_or_assign(const_iterator hint, BOOST_FWD_REF(KeyType) key, BOOST_FWD_REF(M) obj)
+   {
+      insert_commit_data data;
+      const key_type & k = key;  //Support emulated rvalue references
+      std::pair<iiterator, bool> ret =
+         hint == const_iterator() ? this->icont().insert_unique_check(k, KeyNodeCompare(key_comp()), data)
+                                  : this->icont().insert_unique_check(hint.get(), k, KeyNodeCompare(key_comp()), data);
+      if(ret.second){
+         ret.first = this->priv_insert_or_assign_commit(boost::forward<KeyType>(key), boost::forward<M>(obj), data);
+      }
+      else{
+         ret.first->get_data().second = boost::forward<M>(obj);
+      }
+      return std::pair<iterator, bool>(iterator(ret.first), ret.second);
+   }
+
+   iterator erase(const_iterator position)
+   {
+      BOOST_ASSERT(position != this->cend() && (priv_is_linked)(position));
+      return iterator(this->icont().erase_and_dispose(position.get(), Destroyer(this->node_alloc())));
+   }
+
+   BOOST_CONTAINER_FORCEINLINE size_type erase(const key_type& k)
+   {  return AllocHolder::erase_key(k, KeyNodeCompare(key_comp()), alloc_version()); }
+
+   iterator erase(const_iterator first, const_iterator last)
+   {
+      BOOST_ASSERT(first == last || (first != this->cend() && (priv_is_linked)(first)));
+      BOOST_ASSERT(first == last || (priv_is_linked)(last));
+      return iterator(AllocHolder::erase_range(first.get(), last.get(), alloc_version()));
+   }
+
+   node_type extract(const key_type& k)
+   {
+      iterator const it = this->find(k);
+      if(this->end() != it){
+         return this->extract(it);
+      }
+      return node_type();
+   }
+
+   node_type extract(const_iterator position)
+   {
+      BOOST_ASSERT(position != this->cend() && (priv_is_linked)(position));
+      iiterator const iit(position.get());
+      this->icont().erase(iit);
+      return node_type(iit.operator->(), this->node_alloc());
+   }
+
+   insert_return_type insert_unique_node(BOOST_RV_REF_BEG_IF_CXX11 node_type BOOST_RV_REF_END_IF_CXX11 nh)
+   {
+      return this->insert_unique_node(this->end(), boost::move(nh));
+   }
+
+   insert_return_type insert_unique_node(const_iterator hint, BOOST_RV_REF_BEG_IF_CXX11 node_type BOOST_RV_REF_END_IF_CXX11 nh)
+   {
+      insert_return_type irt; //inserted == false, node.empty()
+      if(!nh.empty()){
+         insert_commit_data data;
+         std::pair<iterator,bool> ret =
+            this->insert_unique_check(hint, KeyOfValue()(nh.value()), data);
+         if(ret.second){
+            irt.inserted = true;
+            irt.position = iterator(this->icont().insert_unique_commit(*nh.get(), data));
+            nh.release();
+         }
+         else{
+            irt.position = ret.first;
+            irt.node = boost::move(nh);
+         }
+      }
+      else{
+         irt.position = this->end();
+      }
+      return BOOST_MOVE_RET(insert_return_type, irt);
+   }
+
+   iterator insert_equal_node(BOOST_RV_REF_BEG_IF_CXX11 node_type BOOST_RV_REF_END_IF_CXX11 nh)
+   {
+      if(nh.empty()){
+         return this->end();
+      }
+      else{
+         NodePtr const p(nh.release());
+         return iterator(this->icont().insert_equal(*p));
+      }
+   }
+
+   iterator insert_equal_node(const_iterator hint, BOOST_RV_REF_BEG_IF_CXX11 node_type BOOST_RV_REF_END_IF_CXX11 nh)
+   {
+      if(nh.empty()){
+         return this->end();
+      }
+      else{
+         NodePtr const p(nh.release());
+         return iterator(this->icont().insert_equal(hint.get(), *p));
+      }
+   }
+
+   template<class C2>
+   BOOST_CONTAINER_FORCEINLINE void merge_unique(tree<T, KeyOfValue, C2, Allocator, Options>& source)
+   {  return this->icont().merge_unique(source.icont()); }
+
+   template<class C2>
+   BOOST_CONTAINER_FORCEINLINE void merge_equal(tree<T, KeyOfValue, C2, Allocator, Options>& source)
+   {  return this->icont().merge_equal(source.icont());  }
+   BOOST_CONTAINER_FORCEINLINE void clear()
+   {  AllocHolder::clear(alloc_version());  }
+
+   // search operations. Const and non-const overloads even if no iterator is returned
+   // so splay implementations can to their rebalancing when searching in non-const versions
+   BOOST_CONTAINER_FORCEINLINE iterator find(const key_type& k)
+   {  return iterator(this->icont().find(k, KeyNodeCompare(key_comp())));  }
+
+   BOOST_CONTAINER_FORCEINLINE const_iterator find(const key_type& k) const
+   {  return const_iterator(this->non_const_icont().find(k, KeyNodeCompare(key_comp())));  }
+
+   template <class K>
+   BOOST_CONTAINER_FORCEINLINE
+      typename dtl::enable_if_transparent<key_compare, K, iterator>::type
+         find(const K& k)
+   {  return iterator(this->icont().find(k, KeyNodeCompare(key_comp())));  }
+
+   template <class K>
+   BOOST_CONTAINER_FORCEINLINE
+      typename dtl::enable_if_transparent<key_compare, K, const_iterator>::type
+         find(const K& k) const
+   {  return const_iterator(this->non_const_icont().find(k, KeyNodeCompare(key_comp())));  }
+
+   BOOST_CONTAINER_FORCEINLINE size_type count(const key_type& k) const
+   {  return size_type(this->icont().count(k, KeyNodeCompare(key_comp()))); }
+
+   template <class K>
+   BOOST_CONTAINER_FORCEINLINE
+      typename dtl::enable_if_transparent<key_compare, K, size_type>::type
+         count(const K& k) const
+   {  return size_type(this->icont().count(k, KeyNodeCompare(key_comp()))); }
+
+   BOOST_CONTAINER_FORCEINLINE iterator lower_bound(const key_type& k)
+   {  return iterator(this->icont().lower_bound(k, KeyNodeCompare(key_comp())));  }
+
+   BOOST_CONTAINER_FORCEINLINE const_iterator lower_bound(const key_type& k) const
+   {  return const_iterator(this->non_const_icont().lower_bound(k, KeyNodeCompare(key_comp())));  }
+
+   template <class K>
+   BOOST_CONTAINER_FORCEINLINE
+      typename dtl::enable_if_transparent<key_compare, K, iterator>::type
+         lower_bound(const K& k)
+   {  return iterator(this->icont().lower_bound(k, KeyNodeCompare(key_comp())));  }
+
+   template <class K>
+   BOOST_CONTAINER_FORCEINLINE
+      typename dtl::enable_if_transparent<key_compare, K, const_iterator>::type
+         lower_bound(const K& k) const
+   {  return const_iterator(this->non_const_icont().lower_bound(k, KeyNodeCompare(key_comp())));  }
+
+   BOOST_CONTAINER_FORCEINLINE iterator upper_bound(const key_type& k)
+   {  return iterator(this->icont().upper_bound(k, KeyNodeCompare(key_comp())));   }
+
+   BOOST_CONTAINER_FORCEINLINE const_iterator upper_bound(const key_type& k) const
+   {  return const_iterator(this->non_const_icont().upper_bound(k, KeyNodeCompare(key_comp())));  }
+
+   template <class K>
+   BOOST_CONTAINER_FORCEINLINE
+      typename dtl::enable_if_transparent<key_compare, K, iterator>::type
+         upper_bound(const K& k)
+   {  return iterator(this->icont().upper_bound(k, KeyNodeCompare(key_comp())));   }
+
+   template <class K>
+   BOOST_CONTAINER_FORCEINLINE
+      typename dtl::enable_if_transparent<key_compare, K, const_iterator>::type
+         upper_bound(const K& k) const
+   {  return const_iterator(this->non_const_icont().upper_bound(k, KeyNodeCompare(key_comp())));  }
+
+   std::pair<iterator,iterator> equal_range(const key_type& k)
+   {
+      std::pair<iiterator, iiterator> ret =
+         this->icont().equal_range(k, KeyNodeCompare(key_comp()));
+      return std::pair<iterator,iterator>(iterator(ret.first), iterator(ret.second));
+   }
+
+   std::pair<const_iterator, const_iterator> equal_range(const key_type& k) const
+   {
+      std::pair<iiterator, iiterator> ret =
+         this->non_const_icont().equal_range(k, KeyNodeCompare(key_comp()));
+      return std::pair<const_iterator,const_iterator>
+         (const_iterator(ret.first), const_iterator(ret.second));
+   }
+
+   template <class K>
+   BOOST_CONTAINER_FORCEINLINE
+      typename dtl::enable_if_transparent<key_compare, K, std::pair<iterator,iterator> >::type
+         equal_range(const K& k)
+   {
+      std::pair<iiterator, iiterator> ret =
+         this->icont().equal_range(k, KeyNodeCompare(key_comp()));
+      return std::pair<iterator,iterator>(iterator(ret.first), iterator(ret.second));
+   }
+
+   template <class K>
+   BOOST_CONTAINER_FORCEINLINE
+      typename dtl::enable_if_transparent<key_compare, K, std::pair<const_iterator, const_iterator> >::type
+         equal_range(const K& k) const
+   {
+      std::pair<iiterator, iiterator> ret =
+         this->non_const_icont().equal_range(k, KeyNodeCompare(key_comp()));
+      return std::pair<const_iterator,const_iterator>
+         (const_iterator(ret.first), const_iterator(ret.second));
+   }
+
+   std::pair<iterator,iterator> lower_bound_range(const key_type& k)
+   {
+      std::pair<iiterator, iiterator> ret =
+         this->icont().lower_bound_range(k, KeyNodeCompare(key_comp()));
+      return std::pair<iterator,iterator>(iterator(ret.first), iterator(ret.second));
+   }
+
+   std::pair<const_iterator, const_iterator> lower_bound_range(const key_type& k) const
+   {
+      std::pair<iiterator, iiterator> ret =
+         this->non_const_icont().lower_bound_range(k, KeyNodeCompare(key_comp()));
+      return std::pair<const_iterator,const_iterator>
+         (const_iterator(ret.first), const_iterator(ret.second));
+   }
+
+   template <class K>
+   BOOST_CONTAINER_FORCEINLINE
+      typename dtl::enable_if_transparent<key_compare, K, std::pair<iterator,iterator> >::type
+         lower_bound_range(const K& k)
+   {
+      std::pair<iiterator, iiterator> ret =
+         this->icont().lower_bound_range(k, KeyNodeCompare(key_comp()));
+      return std::pair<iterator,iterator>(iterator(ret.first), iterator(ret.second));
+   }
+
+   template <class K>
+   BOOST_CONTAINER_FORCEINLINE
+      typename dtl::enable_if_transparent<key_compare, K, std::pair<const_iterator, const_iterator> >::type
+         lower_bound_range(const K& k) const
+   {
+      std::pair<iiterator, iiterator> ret =
+         this->non_const_icont().lower_bound_range(k, KeyNodeCompare(key_comp()));
+      return std::pair<const_iterator,const_iterator>
+         (const_iterator(ret.first), const_iterator(ret.second));
+   }
+
+   BOOST_CONTAINER_FORCEINLINE void rebalance()
+   {  intrusive_tree_proxy_t::rebalance(this->icont());   }
+
+   BOOST_CONTAINER_FORCEINLINE friend bool operator==(const tree& x, const tree& y)
+   {  return x.size() == y.size() && ::boost::container::algo_equal(x.begin(), x.end(), y.begin());  }
+
+   BOOST_CONTAINER_FORCEINLINE friend bool operator<(const tree& x, const tree& y)
+   {  return ::boost::container::algo_lexicographical_compare(x.begin(), x.end(), y.begin(), y.end());  }
+
+   BOOST_CONTAINER_FORCEINLINE friend bool operator!=(const tree& x, const tree& y)
+   {  return !(x == y);  }
+
+   BOOST_CONTAINER_FORCEINLINE friend bool operator>(const tree& x, const tree& y)
+   {  return y < x;  }
+
+   BOOST_CONTAINER_FORCEINLINE friend bool operator<=(const tree& x, const tree& y)
+   {  return !(y < x);  }
+
+   BOOST_CONTAINER_FORCEINLINE friend bool operator>=(const tree& x, const tree& y)
+   {  return !(x < y);  }
+
+   BOOST_CONTAINER_FORCEINLINE friend void swap(tree& x, tree& y)
+   {  x.swap(y);  }
+};
+
+} //namespace dtl {
+} //namespace container {
+
+template <class T>
+struct has_trivial_destructor_after_move;
+
+//!has_trivial_destructor_after_move<> == true_type
+//!specialization for optimizations
+template <class T, class KeyOfValue, class Compare, class Allocator, class Options>
+struct has_trivial_destructor_after_move
+   < 
+      ::boost::container::dtl::tree
+         <T, KeyOfValue, Compare, Allocator, Options>
+   >
+{
+   typedef typename ::boost::container::allocator_traits<Allocator>::pointer pointer;
+   static const bool value = ::boost::has_trivial_destructor_after_move<Allocator>::value &&
+                             ::boost::has_trivial_destructor_after_move<pointer>::value &&
+                             ::boost::has_trivial_destructor_after_move<Compare>::value;
+};
+
+} //namespace boost  {
+
+#include <boost/container/detail/config_end.hpp>
+
+#endif //BOOST_CONTAINER_TREE_HPP