1 files changed, 30 insertions, 0 deletions
diff --git a/boost/container/detail/iterator.hpp b/boost/container/detail/iterator.hpp
index 8538acc161..2ceaf26001 100644
--- a/boost/container/detail/iterator.hpp
+++ b/boost/container/detail/iterator.hpp
@@ -22,6 +22,7 @@
 #endif
 
 #include <boost/intrusive/detail/iterator.hpp>
+#include <boost/move/utility_core.hpp>
 
 namespace boost {
 namespace container {
@@ -34,6 +35,35 @@ using ::boost::intrusive::iterator_enable_if_tag;
 using ::boost::intrusive::iterator_disable_if_tag;
 using ::boost::intrusive::iterator_arrow_result;
 
+template <class Container>
+class back_emplacer
+{
+   private:
+   Container& container;
+
+   public:
+   typedef std::output_iterator_tag iterator_category;
+   typedef void                     value_type;
+   typedef void                     difference_type;
+   typedef void                     pointer;
+   typedef void                     reference;
+
+   back_emplacer(Container& x)
+      : container(x)
+   {}
+
+   template<class U>
+   back_emplacer& operator=(BOOST_FWD_REF(U) value)
+   {
+      container.emplace_back(boost::forward<U>(value));
+      return *this;
+   }
+   back_emplacer& operator*()    { return *this; }
+   back_emplacer& operator++()   { return *this; }
+   back_emplacer& operator++(int){ return *this; }
+};
+
+
 }  //namespace container {
 }  //namespace boost {