diff --git a/include/boost/intrusive/avl_set.hpp b/include/boost/intrusive/avl_set.hpp
index a944077..1c13c62 100644
--- a/include/boost/intrusive/avl_set.hpp
+++ b/include/boost/intrusive/avl_set.hpp
@@ -74,6 +74,8 @@ class avl_set_impl
    typedef typename implementation_defined::const_node_ptr           const_node_ptr;
    typedef typename implementation_defined::node_algorithms          node_algorithms;
 
+   static const bool constant_time_size = Config::constant_time_size;
+
    /// @cond
    private:
    tree_type tree_;
@@ -1264,6 +1266,8 @@ class avl_multiset_impl
    typedef typename implementation_defined::const_node_ptr           const_node_ptr;
    typedef typename implementation_defined::node_algorithms          node_algorithms;
 
+   static const bool constant_time_size = Config::constant_time_size;
+
    /// @cond
    private:
    tree_type tree_;
diff --git a/include/boost/intrusive/avltree.hpp b/include/boost/intrusive/avltree.hpp
index e65f182..4b6e089 100644
--- a/include/boost/intrusive/avltree.hpp
+++ b/include/boost/intrusive/avltree.hpp
@@ -113,7 +113,7 @@ class avltree_impl
       <pointer, node>::type                                          node_ptr;
    typedef typename boost::pointer_to_other
       <node_ptr, const node>::type                                   const_node_ptr;
-   typedef avltree_algorithms<node_traits>                            node_algorithms;
+   typedef avltree_algorithms<node_traits>                           node_algorithms;
 
    static const bool constant_time_size = Config::constant_time_size;
    static const bool stateful_value_traits = detail::store_cont_ptr_on_it<avltree_impl>::value;
@@ -167,7 +167,7 @@ class avltree_impl
 
    static node_ptr uncast(const_node_ptr ptr)
    {
-      return node_ptr(const_cast<node*>(detail::get_pointer(ptr)));
+      return node_ptr(const_cast<node*>(detail::boost_intrusive_get_pointer(ptr)));
    }
 
    size_traits &priv_size_traits()
@@ -1398,7 +1398,7 @@ class avltree_impl
    static avltree_impl &priv_container_from_end_iterator(const const_iterator &end_iterator)
    {
       header_plus_size *r = detail::parent_from_member<header_plus_size, node>
-         ( detail::get_pointer(end_iterator.pointed_node()), &header_plus_size::header_);
+         ( detail::boost_intrusive_get_pointer(end_iterator.pointed_node()), &header_plus_size::header_);
       node_plus_pred_t *n = detail::parent_from_member
          <node_plus_pred_t, header_plus_size>(r, &node_plus_pred_t::header_plus_size_);
       data_t *d = detail::parent_from_member<data_t, node_plus_pred_t>(n, &data_t::node_plus_pred_);
diff --git a/include/boost/intrusive/avltree_algorithms.hpp b/include/boost/intrusive/avltree_algorithms.hpp
index a632581..7e0cd2e 100644
--- a/include/boost/intrusive/avltree_algorithms.hpp
+++ b/include/boost/intrusive/avltree_algorithms.hpp
@@ -104,7 +104,7 @@ class avltree_algorithms
 
    static node_ptr uncast(const_node_ptr ptr)
    {
-      return node_ptr(const_cast<node*>(::boost::intrusive::detail::get_pointer(ptr)));
+      return node_ptr(const_cast<node*>(::boost::intrusive::detail::boost_intrusive_get_pointer(ptr)));
    }
    /// @endcond
 
diff --git a/include/boost/intrusive/derivation_value_traits.hpp b/include/boost/intrusive/derivation_value_traits.hpp
index 7b5b013..6ae28a3 100644
--- a/include/boost/intrusive/derivation_value_traits.hpp
+++ b/include/boost/intrusive/derivation_value_traits.hpp
@@ -44,10 +44,10 @@ struct derivation_value_traits
    { return node_ptr(&value); }
 
    static pointer to_value_ptr(node_ptr n) 
-   {  return pointer(static_cast<T*>(detail::get_pointer(n))); }
+   {  return pointer(static_cast<T*>(detail::boost_intrusive_get_pointer(n))); }
 
    static const_pointer to_value_ptr(const_node_ptr n)
-   {  return const_pointer(static_cast<const T*>(detail::get_pointer(n))); }
+   {  return const_pointer(static_cast<const T*>(detail::boost_intrusive_get_pointer(n))); }
 };
 
 } //namespace intrusive 
diff --git a/include/boost/intrusive/detail/hashtable_node.hpp b/include/boost/intrusive/detail/hashtable_node.hpp
index 1676b1c..a077155 100644
--- a/include/boost/intrusive/detail/hashtable_node.hpp
+++ b/include/boost/intrusive/detail/hashtable_node.hpp
@@ -36,6 +36,7 @@ struct prime_list_holder
 
 template<int Dummy>
 const std::size_t prime_list_holder<Dummy>::prime_list[] = {
+   3ul, 7ul, 11ul, 17ul, 29ul, 
    53ul, 97ul, 193ul, 389ul, 769ul,
    1543ul, 3079ul, 6151ul, 12289ul, 24593ul,
    49157ul, 98317ul, 196613ul, 393241ul, 786433ul,
@@ -164,10 +165,10 @@ class hashtable_iterator
    { return *this->operator ->(); }
 
    pointer operator->() const
-   { return detail::get_pointer(this->get_real_value_traits()->to_value_ptr(downcast_bucket(slist_it_.pointed_node()))); }
+   { return detail::boost_intrusive_get_pointer(this->get_real_value_traits()->to_value_ptr(downcast_bucket(slist_it_.pointed_node()))); }
 
    const Container *get_container() const
-   {  return detail::get_pointer(cont_);  }
+   {  return detail::boost_intrusive_get_pointer(cont_);  }
 
    const real_value_traits *get_real_value_traits() const
    {  return &this->get_container()->get_real_value_traits();  }
@@ -175,8 +176,8 @@ class hashtable_iterator
    private:
    void increment()
    {
-      const Container *cont =  detail::get_pointer(cont_);
-      bucket_type* buckets = detail::get_pointer(cont->bucket_pointer());
+      const Container *cont =  detail::boost_intrusive_get_pointer(cont_);
+      bucket_type* buckets = detail::boost_intrusive_get_pointer(cont->bucket_pointer());
       size_type   buckets_len    = cont->bucket_count();
 
       ++slist_it_;
diff --git a/include/boost/intrusive/detail/list_node.hpp b/include/boost/intrusive/detail/list_node.hpp
index 935c522..e5df150 100644
--- a/include/boost/intrusive/detail/list_node.hpp
+++ b/include/boost/intrusive/detail/list_node.hpp
@@ -64,11 +64,9 @@ class list_iterator
    :  public std::iterator
          < std::bidirectional_iterator_tag
          , typename Container::value_type
-         , typename std::iterator_traits<typename Container::value_type*>::difference_type
-         , typename detail::add_const_if_c
-                     <typename Container::value_type, IsConst>::type *
-         , typename detail::add_const_if_c
-                     <typename Container::value_type, IsConst>::type &
+         , typename Container::difference_type
+         , typename detail::if_c<IsConst,typename Container::const_pointer,typename Container::pointer>::type
+         , typename detail::if_c<IsConst,typename Container::const_reference,typename Container::reference>::type
          >
 {
    protected:
@@ -83,10 +81,8 @@ class list_iterator
 
    public:
    typedef typename Container::value_type    value_type;
-   typedef  typename detail::add_const_if_c
-                     <typename Container::value_type, IsConst>::type *pointer;
-   typedef typename detail::add_const_if_c
-                     <typename Container::value_type, IsConst>::type &reference;
+   typedef typename detail::if_c<IsConst,typename Container::const_pointer,typename Container::pointer>::type pointer;
+   typedef typename detail::if_c<IsConst,typename Container::const_reference,typename Container::reference>::type reference;
 
    list_iterator()
       : members_ (node_ptr(0), 0)
@@ -133,17 +129,17 @@ class list_iterator
       return result;
    }
 
-   bool operator== (const list_iterator& i) const
-   {  return members_.nodeptr_ == i.pointed_node();   }
+   friend bool operator== (const list_iterator& l, const list_iterator& r)
+   {  return l.pointed_node() == r.pointed_node();   }
 
-   bool operator!= (const list_iterator& i) const
-   {  return !operator== (i); }
+   friend bool operator!= (const list_iterator& l, const list_iterator& r)
+   {  return !(l == r); }
 
    reference operator*() const
    {  return *operator->();   }
 
    pointer operator->() const
-   { return detail::get_pointer(this->get_real_value_traits()->to_value_ptr(members_.nodeptr_)); }
+   { return detail::boost_intrusive_get_pointer(this->get_real_value_traits()->to_value_ptr(members_.nodeptr_)); }
 
    const Container *get_container() const
    {
diff --git a/include/boost/intrusive/detail/slist_node.hpp b/include/boost/intrusive/detail/slist_node.hpp
index a7df9e1..6ed8e4b 100644
--- a/include/boost/intrusive/detail/slist_node.hpp
+++ b/include/boost/intrusive/detail/slist_node.hpp
@@ -56,11 +56,9 @@ class slist_iterator
    :  public std::iterator
          < std::forward_iterator_tag
          , typename Container::value_type
-         , typename std::iterator_traits<typename Container::value_type*>::difference_type
-         , typename detail::add_const_if_c
-                     <typename Container::value_type, IsConst>::type *
-         , typename detail::add_const_if_c
-                     <typename Container::value_type, IsConst>::type &
+         , typename Container::difference_type
+         , typename detail::if_c<IsConst,typename Container::const_pointer,typename Container::pointer>::type
+         , typename detail::if_c<IsConst,typename Container::const_reference,typename Container::reference>::type
          >
 {
    protected:
@@ -75,10 +73,8 @@ class slist_iterator
 
    public:
    typedef typename Container::value_type    value_type;
-   typedef  typename detail::add_const_if_c
-                     <typename Container::value_type, IsConst>::type *pointer;
-   typedef typename detail::add_const_if_c
-                     <typename Container::value_type, IsConst>::type &reference;
+   typedef typename detail::if_c<IsConst,typename Container::const_pointer,typename Container::pointer>::type pointer;
+   typedef typename detail::if_c<IsConst,typename Container::const_reference,typename Container::reference>::type reference;
 
    slist_iterator()
       : members_ (node_ptr(0), 0)
@@ -112,17 +108,17 @@ class slist_iterator
       return result;
    }
 
-   bool operator== (const slist_iterator& i) const
-   {  return members_.nodeptr_ == i.pointed_node();   }
+   friend bool operator== (const slist_iterator& l, const slist_iterator& r)
+   {  return l.pointed_node() == r.pointed_node();   }
 
-   bool operator!= (const slist_iterator& i) const
-   {  return !operator== (i); }
+   friend bool operator!= (const slist_iterator& l, const slist_iterator& r)
+   {  return !(l == r);   }
 
    reference operator*() const
    {  return *operator->();   }
 
    pointer operator->() const
-   { return detail::get_pointer(this->get_real_value_traits()->to_value_ptr(members_.nodeptr_)); }
+   { return detail::boost_intrusive_get_pointer(this->get_real_value_traits()->to_value_ptr(members_.nodeptr_)); }
 
    const Container *get_container() const
    {
diff --git a/include/boost/intrusive/detail/tree_algorithms.hpp b/include/boost/intrusive/detail/tree_algorithms.hpp
index 32bbfb5..1dc6b51 100644
--- a/include/boost/intrusive/detail/tree_algorithms.hpp
+++ b/include/boost/intrusive/detail/tree_algorithms.hpp
@@ -18,6 +18,7 @@
 #include <boost/intrusive/intrusive_fwd.hpp>
 #include <cstddef>
 #include <boost/intrusive/detail/utilities.hpp>
+//iG pending #include <boost/pointer_cast.hpp>
 
 namespace boost {
 namespace intrusive {
@@ -140,7 +141,8 @@ class tree_algorithms
 
    static node_ptr uncast(const_node_ptr ptr)
    {
-      return node_ptr(const_cast<node*>(::boost::intrusive::detail::get_pointer(ptr)));
+      return node_ptr(const_cast<node*>(::boost::intrusive::detail::boost_intrusive_get_pointer(ptr)));
+      //iG pending return node_ptr(boost::const_pointer_cast<node>(ptr));
    }
    /// @endcond
 
diff --git a/include/boost/intrusive/detail/tree_node.hpp b/include/boost/intrusive/detail/tree_node.hpp
index 3508e85..f6a678d 100644
--- a/include/boost/intrusive/detail/tree_node.hpp
+++ b/include/boost/intrusive/detail/tree_node.hpp
@@ -73,11 +73,9 @@ class tree_iterator
    :  public std::iterator
          < std::bidirectional_iterator_tag
          , typename Container::value_type
-         , typename std::iterator_traits<typename Container::value_type*>::difference_type
-         , typename detail::add_const_if_c
-                     <typename Container::value_type, IsConst>::type *
-         , typename detail::add_const_if_c
-                     <typename Container::value_type, IsConst>::type &
+         , typename Container::difference_type
+         , typename detail::if_c<IsConst,typename Container::const_pointer,typename Container::pointer>::type
+         , typename detail::if_c<IsConst,typename Container::const_reference,typename Container::reference>::type
          >
 {
    protected:
@@ -93,10 +91,9 @@ class tree_iterator
 
    public:
    typedef typename Container::value_type    value_type;
-   typedef  typename detail::add_const_if_c
-                     <typename Container::value_type, IsConst>::type *pointer;
-   typedef typename detail::add_const_if_c
-                     <typename Container::value_type, IsConst>::type &reference;
+   typedef typename detail::if_c<IsConst,typename Container::const_pointer,typename Container::pointer>::type pointer;
+   typedef typename detail::if_c<IsConst,typename Container::const_reference,typename Container::reference>::type reference;
+
 
    tree_iterator()
       : members_ (0, 0)
@@ -143,17 +140,17 @@ class tree_iterator
       return result;
    }
 
-   bool operator== (const tree_iterator& i) const
-   { return members_.nodeptr_ == i.pointed_node(); }
+   friend bool operator== (const tree_iterator& l, const tree_iterator& r)
+   { return l.pointed_node() == r.pointed_node(); }
 
-   bool operator!= (const tree_iterator& i) const
-   { return !operator== (i); }
+   friend bool operator!= (const tree_iterator& l, const tree_iterator& r)
+   {  return !(l == r);   }
 
    reference operator*() const
    {  return *operator->();   }
 
    pointer operator->() const
-   { return detail::get_pointer(this->get_real_value_traits()->to_value_ptr(members_.nodeptr_)); }
+   { return detail::boost_intrusive_get_pointer(this->get_real_value_traits()->to_value_ptr(members_.nodeptr_)); }
 
    const Container *get_container() const
    {  return static_cast<const Container*>(members_.get_ptr());   }
diff --git a/include/boost/intrusive/detail/utilities.hpp b/include/boost/intrusive/detail/utilities.hpp
index c548911..a9b876b 100644
--- a/include/boost/intrusive/detail/utilities.hpp
+++ b/include/boost/intrusive/detail/utilities.hpp
@@ -122,10 +122,10 @@ struct smart_ptr_type<T*>
    {  return ptr;}
 };
 
-//!Overload for smart pointers to avoid ADL problems with get_pointer
+//!Overload for smart pointers to avoid ADL problems with boost_intrusive_get_pointer
 template<class Ptr>
 inline typename smart_ptr_type<Ptr>::pointer
-get_pointer(const Ptr &ptr)
+boost_intrusive_get_pointer(const Ptr &ptr)
 {  return smart_ptr_type<Ptr>::get(ptr);   }
 
 //This functor compares a stored value
@@ -319,7 +319,7 @@ struct constptr
    {}
 
    const void *get_ptr() const
-   {  return detail::get_pointer(const_void_ptr_);  }
+   {  return detail::boost_intrusive_get_pointer(const_void_ptr_);  }
 
    ConstVoidPtr const_void_ptr_;
 };
@@ -422,13 +422,13 @@ struct member_hook_traits
    static pointer to_value_ptr(node_ptr n)
    {
       return detail::parent_from_member<T, Hook>
-         (static_cast<Hook*>(detail::get_pointer(n)), P);
+         (static_cast<Hook*>(detail::boost_intrusive_get_pointer(n)), P);
    }
 
    static const_pointer to_value_ptr(const_node_ptr n)
    {
       return detail::parent_from_member<T, Hook>
-         (static_cast<const Hook*>(detail::get_pointer(n)), P);
+         (static_cast<const Hook*>(detail::boost_intrusive_get_pointer(n)), P);
    }
 };
 
@@ -632,6 +632,64 @@ struct node_to_value
    {  return *(this->get_real_value_traits()->to_value_ptr(npointer(&arg))); }
 };
 
+//This is not standard, but should work with all compilers
+union max_align
+{
+   char        char_;
+   short       short_;
+   int         int_;
+   long        long_;
+   #ifdef BOOST_HAS_LONG_LONG
+   long long   long_long_;
+   #endif
+   float       float_;
+   double      double_;
+   long double long_double_;
+   void *      void_ptr_;
+};
+
+template<class T, std::size_t N>
+class array_initializer
+{
+   public:
+   template<class CommonInitializer>
+   array_initializer(const CommonInitializer &init)
+   {
+      char *init_buf = (char*)rawbuf;
+      std::size_t i = 0;
+      try{
+         for(; i != N; ++i){
+            new(init_buf)T(init);
+            init_buf += sizeof(T);
+         }
+      }
+      catch(...){
+         while(i--){
+            init_buf -= sizeof(T);
+            ((T*)init_buf)->~T();
+         }
+         throw;
+      }
+   }
+
+   operator T* ()
+   {  return (T*)(rawbuf);  }
+
+   operator const T*() const
+   {  return (const T*)(rawbuf);  }
+
+   ~array_initializer()
+   {
+      char *init_buf = (char*)rawbuf + N*sizeof(T);
+      for(std::size_t i = 0; i != N; ++i){
+         init_buf -= sizeof(T);
+         ((T*)init_buf)->~T();
+      }
+   }
+
+   private:
+   detail::max_align rawbuf[(N*sizeof(T)-1)/sizeof(detail::max_align)+1];
+};
 
 } //namespace detail
 } //namespace intrusive 
diff --git a/include/boost/intrusive/hashtable.hpp b/include/boost/intrusive/hashtable.hpp
index 51cc6c1..99de70d 100644
--- a/include/boost/intrusive/hashtable.hpp
+++ b/include/boost/intrusive/hashtable.hpp
@@ -886,7 +886,7 @@ class hashtable_impl
       }
       else{
          size_type buckets_len = this->priv_buckets_len();
-         const bucket_type *b = detail::get_pointer(this->priv_buckets());
+         const bucket_type *b = detail::boost_intrusive_get_pointer(this->priv_buckets());
          for (size_type n = 0; n < buckets_len; ++n, ++b){
             if(!b->empty()){
                return false;
@@ -909,7 +909,7 @@ class hashtable_impl
       else{
          size_type len = 0;
          size_type buckets_len = this->priv_buckets_len();
-         const bucket_type *b = detail::get_pointer(this->priv_buckets());
+         const bucket_type *b = detail::boost_intrusive_get_pointer(this->priv_buckets());
          for (size_type n = 0; n < buckets_len; ++n, ++b){
             len += b->size();
          }
@@ -1229,8 +1229,8 @@ class hashtable_impl
    //! 
    //! <b>Note</b>: Invalidates the iterators (but not the references)
    //!    to the erased element. No destructors are called.
-   iterator erase(const_iterator i)
-   {  return this->erase_and_dispose(i, detail::null_disposer());  }
+   void erase(const_iterator i)
+   {  this->erase_and_dispose(i, detail::null_disposer());  }
 
    //! <b>Effects</b>: Erases the range pointed to by b end e. 
    //! 
@@ -1241,8 +1241,8 @@ class hashtable_impl
    //! 
    //! <b>Note</b>: Invalidates the iterators (but not the references)
    //!    to the erased elements. No destructors are called.
-   iterator erase(const_iterator b, const_iterator e)
-   {  return this->erase_and_dispose(b, e, detail::null_disposer());  }
+   void erase(const_iterator b, const_iterator e)
+   {  this->erase_and_dispose(b, e, detail::null_disposer());  }
 
    //! <b>Effects</b>: Erases all the elements with the given value.
    //! 
@@ -1295,18 +1295,15 @@ class hashtable_impl
    //! <b>Note</b>: Invalidates the iterators 
    //!    to the erased elements.
    template<class Disposer>
-   iterator erase_and_dispose(const_iterator i, Disposer disposer
+   void erase_and_dispose(const_iterator i, Disposer disposer
                               /// @cond
                               , typename detail::enable_if_c<!detail::is_convertible<Disposer, const_iterator>::value >::type * = 0
                               /// @endcond
                               )
    {
-      iterator ret(i.unconst());
-      ++ret;
       priv_erase(i, disposer, optimize_multikey_t());
       this->priv_size_traits().decrement();
       priv_erasure_update_cache();
-      return ret;
    }
 
    //! <b>Requires</b>: Disposer::operator()(pointer) shouldn't throw.
@@ -1322,7 +1319,7 @@ class hashtable_impl
    //! <b>Note</b>: Invalidates the iterators
    //!    to the erased elements.
    template<class Disposer>
-   iterator erase_and_dispose(const_iterator b, const_iterator e, Disposer disposer)
+   void erase_and_dispose(const_iterator b, const_iterator e, Disposer disposer)
    {
       if(b != e){
          //Get the bucket number and local iterator for both iterators
@@ -1347,7 +1344,6 @@ class hashtable_impl
          priv_erase_range(before_first_local_it, first_bucket_num, last_local_it, last_bucket_num, disposer);
          priv_erasure_update_cache(first_bucket_num, last_bucket_num);
       }
-      return e.unconst();
    }
 
    //! <b>Requires</b>: Disposer::operator()(pointer) shouldn't throw.
@@ -2139,8 +2135,8 @@ class hashtable_impl
    }
 
    //! <b>Effects</b>: Returns the nearest new bucket count optimized for
-   //!   the container that is bigger than n. This suggestion can be used
-   //!   to create bucket arrays with a size that will usually improve
+   //!   the container that is bigger or equal than n. This suggestion can be
+   //!   used to create bucket arrays with a size that will usually improve
    //!   container's performance. If such value does not exist, the 
    //!   higher possible value is returned.
    //! 
@@ -2153,15 +2149,15 @@ class hashtable_impl
       const std::size_t *primes_end = primes + detail::prime_list_holder<0>::prime_list_size;
       size_type const* bound = std::lower_bound(primes, primes_end, n);
       if(bound == primes_end)
-            bound--;
+         --bound;
       return size_type(*bound);
    }
 
    //! <b>Effects</b>: Returns the nearest new bucket count optimized for
-   //!   the container that is smaller than n. This suggestion can be used
-   //!   to create bucket arrays with a size that will usually improve
+   //!   the container that is smaller or equal than n. This suggestion can be
+   //!   used to create bucket arrays with a size that will usually improve
    //!   container's performance. If such value does not exist, the 
-   //!   lower possible value is returned.
+   //!   lowest possible value is returned.
    //! 
    //! <b>Complexity</b>: Amortized constant time.
    //! 
@@ -2171,8 +2167,8 @@ class hashtable_impl
       const std::size_t *primes     = &detail::prime_list_holder<0>::prime_list[0];
       const std::size_t *primes_end = primes + detail::prime_list_holder<0>::prime_list_size;
       size_type const* bound = std::upper_bound(primes, primes_end, n);
-      if(bound != primes_end)
-            bound--;
+      if(bound != primes)
+         --bound;
       return size_type(*bound);
    }
 
@@ -2240,7 +2236,7 @@ class hashtable_impl
    {  return this->priv_real_bucket_traits().bucket_count();  }
 
    static node_ptr uncast(const_node_ptr ptr)
-   {  return node_ptr(const_cast<node*>(detail::get_pointer(ptr)));  }
+   {  return node_ptr(const_cast<node*>(detail::boost_intrusive_get_pointer(ptr)));  }
 
    node &priv_value_to_node(value_type &v)
    {  return *this->get_real_value_traits().to_node_ptr(v);  }
diff --git a/include/boost/intrusive/list.hpp b/include/boost/intrusive/list.hpp
index 965baa7..ee3e5ba 100644
--- a/include/boost/intrusive/list.hpp
+++ b/include/boost/intrusive/list.hpp
@@ -30,6 +30,7 @@
 #include <algorithm>
 #include <functional>
 #include <cstddef>
+//iG pending #include <boost/pointer_cast.hpp>
 
 namespace boost {
 namespace intrusive {
@@ -129,8 +130,8 @@ class list_impl
    //Const cast emulation for smart pointers
    static node_ptr uncast(const_node_ptr ptr)
    {
-      //return node_ptr(detail::get_pointer(ptr)));
-      return const_cast<node*>(detail::get_pointer(ptr));
+      return const_cast<node*>(detail::boost_intrusive_get_pointer(ptr));
+      //iG pending return node_ptr(boost::const_pointer_cast<node>(ptr));
    }
 
    node_ptr get_root_node()
@@ -172,6 +173,22 @@ class list_impl
    real_value_traits &get_real_value_traits(detail::bool_<true>)
    {  return data_.get_value_traits(*this);  }
 
+   const value_traits &get_value_traits() const
+   {  return data_;  }
+
+   value_traits &get_value_traits()
+   {  return data_;  }
+
+   protected:
+   node &prot_root_node()
+   {  return data_.root_plus_size_.root_; }
+
+   node const &prot_root_node() const
+   {  return data_.root_plus_size_.root_; }
+
+   void prot_set_size(size_type s)
+   {  data_.root_plus_size_.set_size(s);  }
+
    /// @endcond
 
    public:
@@ -971,8 +988,8 @@ class list_impl
    {
       if(node_traits::get_next(this->get_root_node()) 
          != node_traits::get_previous(this->get_root_node())){
-         list_impl carry;
-         list_impl counter[64];
+         list_impl carry(this->get_value_traits());
+         detail::array_initializer<list_impl, 64> counter(this->get_value_traits());
          int fill = 0;
          while(!this->empty()){
             carry.splice(carry.cbegin(), *this, this->cbegin());
@@ -1268,7 +1285,7 @@ class list_impl
    static list_impl &priv_container_from_end_iterator(const const_iterator &end_iterator)
    {
       root_plus_size *r = detail::parent_from_member<root_plus_size, node>
-         ( detail::get_pointer(end_iterator.pointed_node()), &root_plus_size::root_);
+         ( detail::boost_intrusive_get_pointer(end_iterator.pointed_node()), &root_plus_size::root_);
       data_t *d = detail::parent_from_member<data_t, root_plus_size>
          ( r, &data_t::root_plus_size_);
       list_impl *s  = detail::parent_from_member<list_impl, data_t>(d, &list_impl::data_);
diff --git a/include/boost/intrusive/member_value_traits.hpp b/include/boost/intrusive/member_value_traits.hpp
index ce7e56b..4490d49 100644
--- a/include/boost/intrusive/member_value_traits.hpp
+++ b/include/boost/intrusive/member_value_traits.hpp
@@ -49,13 +49,13 @@ struct member_value_traits
    static pointer to_value_ptr(node_ptr n)
    {
       return pointer(detail::parent_from_member<value_type, node>
-         (detail::get_pointer(n), PtrToMember)); 
+         (detail::boost_intrusive_get_pointer(n), PtrToMember)); 
    }
 
    static const_pointer to_value_ptr(const_node_ptr n)
    {
       return pointer(detail::parent_from_member<value_type, node>
-         (detail::get_pointer(n), PtrToMember)); 
+         (detail::boost_intrusive_get_pointer(n), PtrToMember)); 
    }
 };
 
diff --git a/include/boost/intrusive/rbtree.hpp b/include/boost/intrusive/rbtree.hpp
index 8d9cacf..c8e8ab5 100644
--- a/include/boost/intrusive/rbtree.hpp
+++ b/include/boost/intrusive/rbtree.hpp
@@ -33,6 +33,7 @@
 #include <boost/intrusive/options.hpp>
 #include <boost/intrusive/rbtree_algorithms.hpp>
 #include <boost/intrusive/link_mode.hpp>
+//iG pending #include <boost/pointer_cast.hpp>
 
 namespace boost {
 namespace intrusive {
@@ -110,10 +111,8 @@ class rbtree_impl
    typedef std::reverse_iterator<const_iterator>                     const_reverse_iterator;
    typedef typename real_value_traits::node_traits                   node_traits;
    typedef typename node_traits::node                                node;
-   typedef typename boost::pointer_to_other
-      <pointer, node>::type                                          node_ptr;
-   typedef typename boost::pointer_to_other
-      <node_ptr, const node>::type                                   const_node_ptr;
+   typedef typename node_traits::node_ptr                            node_ptr;
+   typedef typename node_traits::const_node_ptr                      const_node_ptr;
    typedef rbtree_algorithms<node_traits>                            node_algorithms;
 
    static const bool constant_time_size = Config::constant_time_size;
@@ -152,7 +151,7 @@ class rbtree_impl
       {}
       node_plus_pred_t node_plus_pred_;
    } data_;
-  
+
    const value_compare &priv_comp() const
    {  return data_.node_plus_pred_.get();  }
 
@@ -167,7 +166,8 @@ class rbtree_impl
 
    static node_ptr uncast(const_node_ptr ptr)
    {
-      return node_ptr(const_cast<node*>(detail::get_pointer(ptr)));
+      return node_ptr(const_cast<node*>(detail::boost_intrusive_get_pointer(ptr)));
+//iG pending return node_ptr(boost::const_pointer_cast<node>(ptr));
    }
 
    size_traits &priv_size_traits()
@@ -188,6 +188,19 @@ class rbtree_impl
    real_value_traits &get_real_value_traits(detail::bool_<true>)
    {  return data_.get_value_traits(*this);  }
 
+   protected:
+   value_compare &prot_comp()
+   {  return priv_comp(); }
+
+   const node &prot_header_node() const
+   {  return priv_header(); }
+
+   node &prot_header_node()
+   {  return priv_header(); }
+
+   void prot_set_size(size_type s)
+   {  this->priv_size_traits().set_size(s);  }
+
    /// @endcond
 
    public:
@@ -1390,7 +1403,7 @@ class rbtree_impl
    static rbtree_impl &priv_container_from_end_iterator(const const_iterator &end_iterator)
    {
       header_plus_size *r = detail::parent_from_member<header_plus_size, node>
-         ( detail::get_pointer(end_iterator.pointed_node()), &header_plus_size::header_);
+         ( detail::boost_intrusive_get_pointer(end_iterator.pointed_node()), &header_plus_size::header_);
       node_plus_pred_t *n = detail::parent_from_member
          <node_plus_pred_t, header_plus_size>(r, &node_plus_pred_t::header_plus_size_);
       data_t *d = detail::parent_from_member<data_t, node_plus_pred_t>(n, &data_t::node_plus_pred_);
diff --git a/include/boost/intrusive/rbtree_algorithms.hpp b/include/boost/intrusive/rbtree_algorithms.hpp
index ca6f7eb..89abcd6 100644
--- a/include/boost/intrusive/rbtree_algorithms.hpp
+++ b/include/boost/intrusive/rbtree_algorithms.hpp
@@ -157,7 +157,7 @@ class rbtree_algorithms
 
    static node_ptr uncast(const_node_ptr ptr)
    {
-      return node_ptr(const_cast<node*>(::boost::intrusive::detail::get_pointer(ptr)));
+      return node_ptr(const_cast<node*>(::boost::intrusive::detail::boost_intrusive_get_pointer(ptr)));
    }
    /// @endcond
 
diff --git a/include/boost/intrusive/set.hpp b/include/boost/intrusive/set.hpp
index 54c5a65..c85ab08 100644
--- a/include/boost/intrusive/set.hpp
+++ b/include/boost/intrusive/set.hpp
@@ -75,9 +75,19 @@ class set_impl
    typedef typename implementation_defined::const_node_ptr           const_node_ptr;
    typedef typename implementation_defined::node_algorithms          node_algorithms;
 
+   static const bool constant_time_size = Config::constant_time_size;
+   //static const bool stateful_value_traits = detail::is_stateful_value_traits<real_value_traits>::value;
+
    /// @cond
    private:
    tree_type tree_;
+
+   protected:
+   node &prot_header_node(){ return tree_.prot_header_node(); }
+   node const &prot_header_node() const{ return tree_.prot_header_node(); }
+   void prot_set_size(size_type s){ tree_.prot_set_size(s); }
+   value_compare &prot_comp(){ return tree_.prot_comp(); }
+
    /// @endcond
 
    public:
@@ -1265,9 +1275,18 @@ class multiset_impl
    typedef typename implementation_defined::const_node_ptr           const_node_ptr;
    typedef typename implementation_defined::node_algorithms          node_algorithms;
 
+   static const bool constant_time_size = Config::constant_time_size;
+   //static const bool stateful_value_traits = detail::is_stateful_value_traits<real_value_traits>::value;
+
    /// @cond
    private:
    tree_type tree_;
+
+   protected:
+   node &prot_header_node(){ return tree_.prot_header_node(); }
+   node const &prot_header_node() const{ return tree_.prot_header_node(); }
+   void prot_set_size(size_type s){ tree_.prot_set_size(s); }
+   value_compare &prot_comp(){ return tree_.prot_comp(); }
    /// @endcond
 
    public:
@@ -1450,7 +1469,7 @@ class multiset_impl
    //! 
    //! <b>Throws</b>: Nothing.
    //! 
-   //! <b>Complexity</b>: Constant.
+   //! <b>Complexity</b>: Logarithmic.
    static multiset_impl &container_from_iterator(iterator it)
    {
       return *detail::parent_from_member<multiset_impl, tree_type>
@@ -1464,7 +1483,7 @@ class multiset_impl
    //! 
    //! <b>Throws</b>: Nothing.
    //! 
-   //! <b>Complexity</b>: Constant.
+   //! <b>Complexity</b>: Logarithmic.
    static const multiset_impl &container_from_iterator(const_iterator it)
    {
       return *detail::parent_from_member<multiset_impl, tree_type>
diff --git a/include/boost/intrusive/sgtree.hpp b/include/boost/intrusive/sgtree.hpp
index 5507893..5cc361a 100644
--- a/include/boost/intrusive/sgtree.hpp
+++ b/include/boost/intrusive/sgtree.hpp
@@ -310,7 +310,7 @@ class sgtree_impl
    {  return data_.node_plus_pred_.header_plus_alpha_.header_;  }
 
    static node_ptr uncast(const_node_ptr ptr)
-   {  return node_ptr(const_cast<node*>(detail::get_pointer(ptr)));  }
+   {  return node_ptr(const_cast<node*>(detail::boost_intrusive_get_pointer(ptr)));  }
 
    size_traits &priv_size_traits()
    {  return data_.node_plus_pred_.size_traits_;  }
@@ -1631,7 +1631,7 @@ class sgtree_impl
    static sgtree_impl &priv_container_from_end_iterator(const const_iterator &end_iterator)
    {
       header_plus_alpha *r = detail::parent_from_member<header_plus_alpha, node>
-         ( detail::get_pointer(end_iterator.pointed_node()), &header_plus_alpha::header_);
+         ( detail::boost_intrusive_get_pointer(end_iterator.pointed_node()), &header_plus_alpha::header_);
       node_plus_pred_t *n = detail::parent_from_member
          <node_plus_pred_t, header_plus_alpha>(r, &node_plus_pred_t::header_plus_alpha_);
       data_t *d = detail::parent_from_member<data_t, node_plus_pred_t>(n, &data_t::node_plus_pred_);
diff --git a/include/boost/intrusive/sgtree_algorithms.hpp b/include/boost/intrusive/sgtree_algorithms.hpp
index bb6ef06..99e9d39 100644
--- a/include/boost/intrusive/sgtree_algorithms.hpp
+++ b/include/boost/intrusive/sgtree_algorithms.hpp
@@ -70,7 +70,7 @@ class sgtree_algorithms
 
    static node_ptr uncast(const_node_ptr ptr)
    {
-      return node_ptr(const_cast<node*>(::boost::intrusive::detail::get_pointer(ptr)));
+      return node_ptr(const_cast<node*>(::boost::intrusive::detail::boost_intrusive_get_pointer(ptr)));
    }
    /// @endcond
 
diff --git a/include/boost/intrusive/slist.hpp b/include/boost/intrusive/slist.hpp
index 8314a75..6aad69e 100644
--- a/include/boost/intrusive/slist.hpp
+++ b/include/boost/intrusive/slist.hpp
@@ -31,6 +31,7 @@
 #include <algorithm>
 #include <cstddef>   //std::size_t
 #include <utility>   //std::pair
+//iG pending #include <boost/pointer_cast.hpp>
 
 namespace boost {
 namespace intrusive {
@@ -129,10 +130,9 @@ class slist_impl
    typedef slist_iterator<slist_impl, true>                          const_iterator;
    typedef typename real_value_traits::node_traits                   node_traits;
    typedef typename node_traits::node                                node;
-   typedef typename boost::pointer_to_other
-      <pointer, node>::type                                          node_ptr;
-   typedef typename boost::pointer_to_other
-      <pointer, const node>::type                                    const_node_ptr;
+   typedef typename node_traits::node_ptr                            node_ptr;
+   typedef typename node_traits::const_node_ptr                      const_node_ptr;
+
    typedef typename detail::if_c
       < Config::linear
       , linear_slist_algorithms<node_traits>
@@ -206,7 +206,8 @@ class slist_impl
    {  data_.root_plus_size_.last_ = n;  }
 
    static node_ptr uncast(const_node_ptr ptr)
-   {  return node_ptr(const_cast<node*>(detail::get_pointer(ptr)));  }
+   {  return node_ptr(const_cast<node*>(detail::boost_intrusive_get_pointer(ptr)));  }
+//iG pending  {  return boost::const_pointer_cast<node>(ptr); }
 
    void set_default_constructed_state()
    {
@@ -251,6 +252,22 @@ class slist_impl
    real_value_traits &get_real_value_traits(detail::bool_<true>)
    {  return data_.get_value_traits(*this);  }
 
+   const value_traits &get_value_traits() const
+   {  return data_;  }
+
+   value_traits &get_value_traits()
+   {  return data_;  }
+
+   protected:
+   node &prot_root_node()
+   {  return data_.root_plus_size_.root_; }
+
+   node const &prot_root_node() const
+   {  return data_.root_plus_size_.root_; }
+
+   void prot_set_size(size_type s)
+   {  data_.root_plus_size_.set_size(s);  }
+
    /// @endcond
 
    public:
@@ -1220,7 +1237,7 @@ class slist_impl
    //!   assigned to the last spliced element or prev if x is empty.
    //!   This iterator can be used as new "prev" iterator for a new splice_after call.
    //!   that will splice new values after the previously spliced values.
-   void splice(const_iterator it, slist_impl &x, iterator *last = 0)
+   void splice(const_iterator it, slist_impl &x, const_iterator *last = 0)
    {  this->splice_after(this->previous(it), x, last);   }
 
    //! <b>Requires</b>: it p must be a valid iterator of *this.
@@ -1295,8 +1312,9 @@ class slist_impl
    {
       if (node_traits::get_next(node_traits::get_next(this->get_root_node()))
          != this->get_root_node()) {
-         slist_impl carry;
-         slist_impl counter[64];
+
+         slist_impl carry(this->get_value_traits());
+         detail::array_initializer<slist_impl, 64> counter(this->get_value_traits());
          int fill = 0;
          const_iterator last_inserted;
          while(!this->empty()){
@@ -1879,7 +1897,7 @@ class slist_impl
       //singly linked lists (because "end" is represented by the null pointer)
       BOOST_STATIC_ASSERT(!linear);
       root_plus_size *r = detail::parent_from_member<root_plus_size, node>
-         ( detail::get_pointer(end_iterator.pointed_node()), (&root_plus_size::root_));
+         ( detail::boost_intrusive_get_pointer(end_iterator.pointed_node()), (&root_plus_size::root_));
       data_t *d = detail::parent_from_member<data_t, root_plus_size>
          ( r, &data_t::root_plus_size_);
       slist_impl *s  = detail::parent_from_member<slist_impl, data_t>(d, &slist_impl::data_);
diff --git a/include/boost/intrusive/splay_set.hpp b/include/boost/intrusive/splay_set.hpp
index 9727d14..f899e78 100644
--- a/include/boost/intrusive/splay_set.hpp
+++ b/include/boost/intrusive/splay_set.hpp
@@ -74,6 +74,8 @@ class splay_set_impl
    typedef typename implementation_defined::const_node_ptr           const_node_ptr;
    typedef typename implementation_defined::node_algorithms          node_algorithms;
 
+   static const bool constant_time_size = Config::constant_time_size;
+
    /// @cond
    private:
    tree_type tree_;
@@ -1286,6 +1288,8 @@ class splay_multiset_impl
    typedef typename implementation_defined::const_node_ptr           const_node_ptr;
    typedef typename implementation_defined::node_algorithms          node_algorithms;
 
+   static const bool constant_time_size = Config::constant_time_size;
+
    /// @cond
    private:
    tree_type tree_;
diff --git a/include/boost/intrusive/splaytree.hpp b/include/boost/intrusive/splaytree.hpp
index 4020c85..1cb2a2a 100644
--- a/include/boost/intrusive/splaytree.hpp
+++ b/include/boost/intrusive/splaytree.hpp
@@ -166,7 +166,7 @@ class splaytree_impl
 
    static node_ptr uncast(const_node_ptr ptr)
    {
-      return node_ptr(const_cast<node*>(detail::get_pointer(ptr)));
+      return node_ptr(const_cast<node*>(detail::boost_intrusive_get_pointer(ptr)));
    }
 
    size_traits &priv_size_traits()
@@ -1405,7 +1405,7 @@ class splaytree_impl
    static splaytree_impl &priv_container_from_end_iterator(const const_iterator &end_iterator)
    {
       header_plus_size *r = detail::parent_from_member<header_plus_size, node>
-         ( detail::get_pointer(end_iterator.pointed_node()), &header_plus_size::header_);
+         ( detail::boost_intrusive_get_pointer(end_iterator.pointed_node()), &header_plus_size::header_);
       node_plus_pred_t *n = detail::parent_from_member
          <node_plus_pred_t, header_plus_size>(r, &node_plus_pred_t::header_plus_size_);
       data_t *d = detail::parent_from_member<data_t, node_plus_pred_t>(n, &data_t::node_plus_pred_);
diff --git a/include/boost/intrusive/splaytree_algorithms.hpp b/include/boost/intrusive/splaytree_algorithms.hpp
index eb25e9f..777b3b9 100644
--- a/include/boost/intrusive/splaytree_algorithms.hpp
+++ b/include/boost/intrusive/splaytree_algorithms.hpp
@@ -147,7 +147,7 @@ class splaytree_algorithms
    private:
    static node_ptr uncast(const_node_ptr ptr)
    {
-      return node_ptr(const_cast<node*>(::boost::intrusive::detail::get_pointer(ptr)));
+      return node_ptr(const_cast<node*>(::boost::intrusive::detail::boost_intrusive_get_pointer(ptr)));
    }
    /// @endcond
 
diff --git a/include/boost/intrusive/treap.hpp b/include/boost/intrusive/treap.hpp
index b7c9ed2..86bdd01 100644
--- a/include/boost/intrusive/treap.hpp
+++ b/include/boost/intrusive/treap.hpp
@@ -116,7 +116,7 @@ class treap_impl
       <pointer, node>::type                                          node_ptr;
    typedef typename boost::pointer_to_other
       <node_ptr, const node>::type                                   const_node_ptr;
-   typedef treap_algorithms<node_traits>                              node_algorithms;
+   typedef treap_algorithms<node_traits>                             node_algorithms;
 
    static const bool constant_time_size = Config::constant_time_size;
    static const bool stateful_value_traits = detail::is_stateful_value_traits<real_value_traits>::value;
@@ -184,7 +184,7 @@ class treap_impl
 
    static node_ptr uncast(const_node_ptr ptr)
    {
-      return node_ptr(const_cast<node*>(detail::get_pointer(ptr)));
+      return node_ptr(const_cast<node*>(detail::boost_intrusive_get_pointer(ptr)));
    }
 
    size_traits &priv_size_traits()
@@ -1482,7 +1482,7 @@ class treap_impl
    static treap_impl &priv_container_from_end_iterator(const const_iterator &end_iterator)
    {
       header_plus_size *r = detail::parent_from_member<header_plus_size, node>
-         ( detail::get_pointer(end_iterator.pointed_node()), &header_plus_size::header_);
+         ( detail::boost_intrusive_get_pointer(end_iterator.pointed_node()), &header_plus_size::header_);
       typename node_plus_pred_t::header_plus_priority_size *n =
          detail::parent_from_member
          < typename node_plus_pred_t::header_plus_priority_size
diff --git a/include/boost/intrusive/treap_algorithms.hpp b/include/boost/intrusive/treap_algorithms.hpp
index 6c05efa..a120815 100644
--- a/include/boost/intrusive/treap_algorithms.hpp
+++ b/include/boost/intrusive/treap_algorithms.hpp
@@ -145,7 +145,7 @@ class treap_algorithms
 
    static node_ptr uncast(const_node_ptr ptr)
    {
-      return node_ptr(const_cast<node*>(::boost::intrusive::detail::get_pointer(ptr)));
+      return node_ptr(const_cast<node*>(::boost::intrusive::detail::boost_intrusive_get_pointer(ptr)));
    }
    /// @endcond
 
diff --git a/include/boost/intrusive/treap_set.hpp b/include/boost/intrusive/treap_set.hpp
index 12611ee..ef38a1e 100644
--- a/include/boost/intrusive/treap_set.hpp
+++ b/include/boost/intrusive/treap_set.hpp
@@ -75,6 +75,8 @@ class treap_set_impl
    typedef typename implementation_defined::const_node_ptr           const_node_ptr;
    typedef typename implementation_defined::node_algorithms          node_algorithms;
 
+   static const bool constant_time_size = Config::constant_time_size;
+
    /// @cond
    private:
    tree_type tree_;
@@ -1382,6 +1384,8 @@ class treap_multiset_impl
    typedef typename implementation_defined::const_node_ptr           const_node_ptr;
    typedef typename implementation_defined::node_algorithms          node_algorithms;
 
+   static const bool constant_time_size = Config::constant_time_size;
+
    /// @cond
    private:
    tree_type tree_;
diff --git a/include/boost/intrusive/unordered_set.hpp b/include/boost/intrusive/unordered_set.hpp
index 47d1aab..2b40f61 100644
--- a/include/boost/intrusive/unordered_set.hpp
+++ b/include/boost/intrusive/unordered_set.hpp
@@ -248,7 +248,7 @@ class unordered_set_impl
    //! <b>Effects</b>: Returns the number of elements stored in the unordered_set.
    //! 
    //! <b>Complexity</b>: Linear to elements contained in *this if
-   //!   constant-time size option is enabled. Constant-time otherwise.
+   //!   constant-time size option is disabled. Constant-time otherwise.
    //! 
    //! <b>Throws</b>: Nothing.
    size_type size() const
@@ -395,8 +395,8 @@ class unordered_set_impl
    //! 
    //! <b>Note</b>: Invalidates the iterators (but not the references)
    //!    to the erased element. No destructors are called.
-   iterator erase(const_iterator i)
-   {  return table_.erase(i);  }
+   void erase(const_iterator i)
+   {  table_.erase(i);  }
 
    //! <b>Effects</b>: Erases the range pointed to by b end e. 
    //! 
@@ -407,8 +407,8 @@ class unordered_set_impl
    //! 
    //! <b>Note</b>: Invalidates the iterators (but not the references)
    //!    to the erased elements. No destructors are called.
-   iterator erase(const_iterator b, const_iterator e)
-   {  return table_.erase(b, e);  }
+   void erase(const_iterator b, const_iterator e)
+   {  table_.erase(b, e);  }
 
    //! <b>Effects</b>: Erases all the elements with the given value.
    //! 
@@ -460,12 +460,12 @@ class unordered_set_impl
    //! <b>Note</b>: Invalidates the iterators 
    //!    to the erased elements.
    template<class Disposer>
-   iterator erase_and_dispose(const_iterator i, Disposer disposer
+   void erase_and_dispose(const_iterator i, Disposer disposer
                               /// @cond
                               , typename detail::enable_if_c<!detail::is_convertible<Disposer, const_iterator>::value >::type * = 0
                               /// @endcond
                               )
-   {  return table_.erase_and_dispose(i, disposer);  }
+   {  table_.erase_and_dispose(i, disposer);  }
 
    //! <b>Requires</b>: Disposer::operator()(pointer) shouldn't throw.
    //!
@@ -480,8 +480,8 @@ class unordered_set_impl
    //! <b>Note</b>: Invalidates the iterators
    //!    to the erased elements.
    template<class Disposer>
-   iterator erase_and_dispose(const_iterator b, const_iterator e, Disposer disposer)
-   {  return table_.erase_and_dispose(b, e, disposer);  }
+   void erase_and_dispose(const_iterator b, const_iterator e, Disposer disposer)
+   {  table_.erase_and_dispose(b, e, disposer);  }
 
    //! <b>Requires</b>: Disposer::operator()(pointer) shouldn't throw.
    //!
@@ -1305,7 +1305,7 @@ class unordered_multiset_impl
    //! <b>Effects</b>: Returns the number of elements stored in the unordered_multiset.
    //! 
    //! <b>Complexity</b>: Linear to elements contained in *this if
-   //!   constant-time size option is enabled. Constant-time otherwise.
+   //!   constant-time size option is disabled. Constant-time otherwise.
    //! 
    //! <b>Throws</b>: Nothing.
    size_type size() const
@@ -1387,8 +1387,8 @@ class unordered_multiset_impl
    //! 
    //! <b>Note</b>: Invalidates the iterators (but not the references)
    //!    to the erased element. No destructors are called.
-   iterator erase(const_iterator i)
-   {  return table_.erase(i);  }
+   void erase(const_iterator i)
+   {  table_.erase(i);  }
 
    //! <b>Effects</b>: Erases the range pointed to by b end e. 
    //! 
@@ -1399,8 +1399,8 @@ class unordered_multiset_impl
    //! 
    //! <b>Note</b>: Invalidates the iterators (but not the references)
    //!    to the erased elements. No destructors are called.
-   iterator erase(const_iterator b, const_iterator e)
-   {  return table_.erase(b, e);  }
+   void erase(const_iterator b, const_iterator e)
+   {  table_.erase(b, e);  }
 
    //! <b>Effects</b>: Erases all the elements with the given value.
    //! 
@@ -1453,17 +1453,17 @@ class unordered_multiset_impl
    //! <b>Note</b>: Invalidates the iterators 
    //!    to the erased elements.
    template<class Disposer>
-   iterator erase_and_dispose(const_iterator i, Disposer disposer
+   void erase_and_dispose(const_iterator i, Disposer disposer
                               /// @cond
                               , typename detail::enable_if_c<!detail::is_convertible<Disposer, const_iterator>::value >::type * = 0
                               /// @endcond
                               )
-   {  return table_.erase_and_dispose(i, disposer);  }
+   {  table_.erase_and_dispose(i, disposer);  }
 
    #if !defined(BOOST_INTRUSIVE_DOXYGEN_INVOKED)
    template<class Disposer>
-   iterator erase_and_dispose(const_iterator i, Disposer disposer)
-   {  return this->erase_and_dispose(const_iterator(i), disposer);   }
+   void erase_and_dispose(const_iterator i, Disposer disposer)
+   {  this->erase_and_dispose(const_iterator(i), disposer);   }
    #endif
 
    //! <b>Requires</b>: Disposer::operator()(pointer) shouldn't throw.
@@ -1479,8 +1479,8 @@ class unordered_multiset_impl
    //! <b>Note</b>: Invalidates the iterators
    //!    to the erased elements.
    template<class Disposer>
-   iterator erase_and_dispose(const_iterator b, const_iterator e, Disposer disposer)
-   {  return table_.erase_and_dispose(b, e, disposer);  }
+   void erase_and_dispose(const_iterator b, const_iterator e, Disposer disposer)
+   {  table_.erase_and_dispose(b, e, disposer);  }
 
    //! <b>Requires</b>: Disposer::operator()(pointer) shouldn't throw.
    //!