| /*============================================================================= |
| Copyright (c) 2005 Joel de Guzman |
| Copyright (c) 2005 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(FUSION_END_IMPL_07172005_0828) |
| #define FUSION_END_IMPL_07172005_0828 |
| |
| #include <boost/mpl/if.hpp> |
| #include <boost/type_traits/is_const.hpp> |
| |
| namespace boost { namespace fusion |
| { |
| struct nil; |
| |
| struct cons_tag; |
| |
| template <typename Car, typename Cdr> |
| struct cons; |
| |
| template <typename Cons> |
| struct cons_iterator; |
| |
| namespace extension |
| { |
| template <typename Tag> |
| struct end_impl; |
| |
| template <> |
| struct end_impl<cons_tag> |
| { |
| template <typename Sequence> |
| struct apply |
| { |
| typedef cons_iterator< |
| typename mpl::if_<is_const<Sequence>, nil const, nil>::type> |
| type; |
| |
| static type |
| call(Sequence&) |
| { |
| return type(); |
| } |
| }; |
| }; |
| } |
| }} |
| |
| #endif |