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- /*=============================================================================
- Copyright (c) 2011 Eric Niebler
- 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)
- ==============================================================================*/
- #if !defined(BOOST_FUSION_REVERSE_CONS_HPP_INCLUDED)
- #define BOOST_FUSION_REVERSE_CONS_HPP_INCLUDED
- #include <boost/fusion/support/config.hpp>
- #include <boost/fusion/container/list/cons_fwd.hpp>
- namespace boost { namespace fusion { namespace detail
- {
- ////////////////////////////////////////////////////////////////////////////
- template<typename Cons, typename State = nil_>
- struct reverse_cons;
- template<typename Car, typename Cdr, typename State>
- struct reverse_cons<cons<Car, Cdr>, State>
- {
- typedef reverse_cons<Cdr, cons<Car, State> > impl;
- typedef typename impl::type type;
- BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
- static type call(cons<Car, Cdr> const &cons, State const &state = State())
- {
- typedef fusion::cons<Car, State> cdr_type;
- return impl::call(cons.cdr, cdr_type(cons.car, state));
- }
- };
- template<typename State>
- struct reverse_cons<nil_, State>
- {
- typedef State type;
- BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
- static State const &call(nil_ const &, State const &state = State())
- {
- return state;
- }
- };
- }}}
- #endif
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