1 
2 #ifndef BOOST_MPL_INHERIT_FRONT_TO_BACK_HPP_INCLUDED
3 #define BOOST_MPL_INHERIT_FRONT_TO_BACK_HPP_INCLUDED
4 
5 // Copyright Aleksey Gurtovoy 2001-2004
6 //
7 // Distributed under the Boost Software License, Version 1.0.
8 // (See accompanying file LICENSE_1_0.txt or copy at
9 // http://www.boost.org/LICENSE_1_0.txt)
10 //
11 // See http://www.boost.org/libs/mpl for documentation.
12 
13 // $Id$
14 // $Date$
15 // $Revision$
16 
17 #include <boost/mpl/fold.hpp>
18 #include <boost/mpl/empty_base.hpp>
19 #include <boost/mpl/aux_/na_spec.hpp>
20 #include <boost/mpl/aux_/lambda_support.hpp>
21 
22 namespace boost { namespace mpl {
23 
24 template<
25       typename BOOST_MPL_AUX_NA_PARAM(Types_)
26     , typename BOOST_MPL_AUX_NA_PARAM(Node_)
27     , typename Root_ = empty_base
28     >
29 struct inherit_linearly
30     : fold<Types_,Root_,Node_>
31 {
32     BOOST_MPL_AUX_LAMBDA_SUPPORT(3,inherit_linearly,(Types_,Node_,Root_))
33 };
34 
35 BOOST_MPL_AUX_NA_SPEC(2, inherit_linearly)
36 
37 }}
38 
39 #endif // BOOST_MPL_INHERIT_FRONT_TO_BACK_HPP_INCLUDED
40