--- /dev/null
+// Move, forward and identity implementation for C++0x -*- C++ -*-
+
+// Copyright (C) 2007 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING. If not, write to the Free
+// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+// USA.
+
+// As a special exception, you may use this file as part of a free software
+// library without restriction. Specifically, if other files instantiate
+// templates or use macros or inline functions from this file, or you compile
+// this file and link it with other files to produce an executable, this
+// file does not by itself cause the resulting executable to be covered by
+// the GNU General Public License. This exception does not however
+// invalidate any other reasons why the executable file might be covered by
+// the GNU General Public License.
+
+/** @file stl_move.h
+ * This is an internal header file, included by other library headers.
+ * You should not attempt to use it directly.
+ */
+
+#ifndef _STL_MOVE_H
+#define _STL_MOVE_H 1
+
+#ifdef __GXX_EXPERIMENTAL_CXX0X__
+#include <type_traits>
+
+_GLIBCXX_BEGIN_NAMESPACE(std)
+
+ // 20.2.2, forward/move
+ template<typename _Tp>
+ struct identity
+ {
+ typedef _Tp type;
+ };
+
+ template<typename _Tp>
+ inline _Tp&&
+ forward(typename std::identity<_Tp>::type&& __t)
+ { return __t; }
+
+ template<typename _Tp>
+ inline typename std::remove_reference<_Tp>::type&&
+ move(_Tp&& __t)
+ { return __t; }
+
+_GLIBCXX_END_NAMESPACE
+
+#endif
+
+#endif /* _STL_MOVE_H */