1 | /*============================================================================= |
2 | Copyright (c) 2001-2011 Joel de Guzman |
3 | Copyright (c) 2005 Eric Niebler |
4 | |
5 | Distributed under the Boost Software License, Version 1.0. (See accompanying |
6 | file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
7 | ==============================================================================*/ |
8 | #if !defined(FUSION_VALUE_OF_IMPL_07172005_0838) |
9 | #define FUSION_VALUE_OF_IMPL_07172005_0838 |
10 | |
11 | namespace boost { namespace fusion |
12 | { |
13 | struct cons_iterator_tag; |
14 | |
15 | namespace extension |
16 | { |
17 | template <typename Tag> |
18 | struct value_of_impl; |
19 | |
20 | template <> |
21 | struct value_of_impl<cons_iterator_tag> |
22 | { |
23 | template <typename Iterator> |
24 | struct apply |
25 | { |
26 | typedef typename Iterator::cons_type cons_type; |
27 | typedef typename cons_type::car_type type; |
28 | }; |
29 | }; |
30 | } |
31 | |
32 | }} |
33 | |
34 | #endif |
35 | |
36 | |
37 | |