1 | /*============================================================================= |
---|---|
2 | Copyright (c) 2001-2011 Joel de Guzman |
3 | |
4 | Distributed under the Boost Software License, Version 1.0. (See accompanying |
5 | file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
6 | ==============================================================================*/ |
7 | #if !defined(FUSION_AT_10022005_1616) |
8 | #define FUSION_AT_10022005_1616 |
9 | |
10 | #include <boost/fusion/support/config.hpp> |
11 | #include <boost/mpl/at.hpp> |
12 | #include <boost/fusion/sequence/intrinsic/value_at.hpp> |
13 | |
14 | namespace boost { |
15 | namespace fusion |
16 | { |
17 | struct fusion_sequence_tag; |
18 | } |
19 | |
20 | namespace mpl |
21 | { |
22 | template <typename Tag> |
23 | struct at_impl; |
24 | |
25 | template <> |
26 | struct at_impl<fusion::fusion_sequence_tag> |
27 | { |
28 | template <typename Sequence, typename N> |
29 | struct apply : fusion::result_of::value_at<Sequence, N> {}; |
30 | }; |
31 | }} |
32 | |
33 | #endif |
34 | |
35 |