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