Added boost header

test/external/boost/mpl/back.hpp

@@ -0,0 +1,39 @@
+
+#ifndef BOOST_MPL_BACK_HPP_INCLUDED
+#define BOOST_MPL_BACK_HPP_INCLUDED
+
+// Copyright Aleksey Gurtovoy 2000-2004
+//
+// 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/mpl for documentation.
+
+// $Id: back.hpp 49267 2008-10-11 06:19:02Z agurtovoy $
+// $Date: 2008-10-11 02:19:02 -0400 (Sat, 11 Oct 2008) $
+// $Revision: 49267 $
+
+#include <boost/mpl/back_fwd.hpp>
+#include <boost/mpl/aux_/back_impl.hpp>
+#include <boost/mpl/sequence_tag.hpp>
+#include <boost/mpl/aux_/na_spec.hpp>
+#include <boost/mpl/aux_/lambda_support.hpp>
+
+namespace boost { namespace mpl {
+
+template<
+      typename BOOST_MPL_AUX_NA_PARAM(Sequence)
+    >
+struct back
+    : back_impl< typename sequence_tag<Sequence>::type >
+        ::template apply< Sequence >
+{
+    BOOST_MPL_AUX_LAMBDA_SUPPORT(1,back,(Sequence))
+};
+
+BOOST_MPL_AUX_NA_SPEC(1, back)
+
+}}
+
+#endif // BOOST_MPL_BACK_HPP_INCLUDED