47 lines
1.6 KiB
Plaintext
47 lines
1.6 KiB
Plaintext
|
/*=============================================================================
|
||
|
|
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
|