boost/mpl/inherit_linearly.hpp

0001
0002 #ifndef BOOST_MPL_INHERIT_FRONT_TO_BACK_HPP_INCLUDED
0003 #define BOOST_MPL_INHERIT_FRONT_TO_BACK_HPP_INCLUDED
0004
0005 // Copyright Aleksey Gurtovoy 2001-2004
0006 //
0007 // Distributed under the Boost Software License, Version 1.0.
0008 // (See accompanying file LICENSE_1_0.txt or copy at
0009 // http://www.boost.org/LICENSE_1_0.txt)
0010 //
0011 // See http://www.boost.org/libs/mpl for documentation.
0012
0013 // $Id$
0014 // $Date$
0015 // $Revision$
0016
0017 #include <boost/mpl/fold.hpp>
0018 #include <boost/mpl/empty_base.hpp>
0019 #include <boost/mpl/aux_/na_spec.hpp>
0020 #include <boost/mpl/aux_/lambda_support.hpp>
0021
0022 namespace boost { namespace mpl {
0023
0024 template<
0025       typename BOOST_MPL_AUX_NA_PARAM(Types_)
0026     , typename BOOST_MPL_AUX_NA_PARAM(Node_)
0027     , typename Root_ = empty_base
0028     >
0029 struct inherit_linearly
0030     : fold<Types_,Root_,Node_>
0031 {
0032     BOOST_MPL_AUX_LAMBDA_SUPPORT(3,inherit_linearly,(Types_,Node_,Root_))
0033 };
0034
0035 BOOST_MPL_AUX_NA_SPEC(2, inherit_linearly)
0036
0037 }}
0038
0039 #endif // BOOST_MPL_INHERIT_FRONT_TO_BACK_HPP_INCLUDED