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diff --git a/boost/geometry/core/mutable_range.hpp b/boost/geometry/core/mutable_range.hpp
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+// Boost.Geometry (aka GGL, Generic Geometry Library)
+
+// Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands.
+// Copyright (c) 2008-2012 Bruno Lalande, Paris, France.
+// Copyright (c) 2009-2012 Mateusz Loskot, London, UK.
+
+// Parts of Boost.Geometry are redesigned from Geodan's Geographic Library
+// (geolib/GGL), copyright (c) 1995-2010 Geodan, Amsterdam, the Netherlands.
+
+// Use, modification and distribution is subject to 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)
+
+#ifndef BOOST_GEOMETRY_CORE_MUTABLE_RANGE_HPP
+#define BOOST_GEOMETRY_CORE_MUTABLE_RANGE_HPP
+
+
+#include <cstddef>
+
+#include <boost/type_traits/remove_reference.hpp>
+#include <boost/range.hpp>
+
+
+namespace boost { namespace geometry
+{
+
+
+namespace traits
+{
+
+/*!
+\brief Metafunction to define the argument passed to the three
+    traits classes clear, push_back and resize
+\ingroup mutable_range
+ */
+template <typename Range>
+struct rvalue_type
+{
+    typedef typename boost::remove_reference<Range>::type& type;
+};
+
+
+/*!
+\brief Traits class to clear a geometry
+\ingroup mutable_range
+ */
+template <typename Range>
+struct clear
+{
+    static inline void apply(typename rvalue_type<Range>::type range)
+    {
+        range.clear();
+    }
+};
+
+
+/*!
+\brief Traits class to append a point to a range (ring, linestring, multi*)
+\ingroup mutable_range
+ */
+template <typename Range>
+struct push_back
+{
+    typedef typename boost::range_value
+        <
+            typename boost::remove_reference<Range>::type
+        >::type item_type;
+
+    static inline void apply(typename rvalue_type<Range>::type range,
+                 item_type const& item)
+    {
+        range.push_back(item);
+    }
+};
+
+
+/*!
+\brief Traits class to append a point to a range (ring, linestring, multi*)
+\ingroup mutable_range
+ */
+template <typename Range>
+struct resize
+{
+    static inline void apply(typename rvalue_type<Range>::type range,
+                std::size_t new_size)
+    {
+        range.resize(new_size);
+    }
+};
+
+
+} // namespace traits
+
+
+}} // namespace boost::geometry
+
+
+#endif // BOOST_GEOMETRY_CORE_MUTABLE_RANGE_HPP