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+
+#ifndef BOOST_MPL_AUX_APPLY_1ST_HPP_INCLUDED
+#define BOOST_MPL_AUX_APPLY_1ST_HPP_INCLUDED
+
+// Copyright Aleksey Gurtovoy 2002-2004
+//
+// 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: apply_1st.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/apply.hpp>
+
+namespace boost { namespace mpl { namespace aux {
+
+struct apply_1st
+{
+ template< typename Pair, typename T > struct apply
+ : apply2<
+ typename Pair::first
+ , typename Pair::second
+ , T
+ >
+ {
+ };
+};
+
+}}}
+
+#endif // BOOST_MPL_AUX_APPLY_1ST_HPP_INCLUDED