| 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_ERASE_KEY_10022005_1907) |
| 8 | #define FUSION_ERASE_KEY_10022005_1907 |
| 9 | |
| 10 | #include <boost/fusion/support/config.hpp> |
| 11 | #include <boost/mpl/erase_key.hpp> |
| 12 | #include <boost/fusion/support/tag_of.hpp> |
| 13 | #include <boost/fusion/algorithm/transformation/erase_key.hpp> |
| 14 | #include <boost/fusion/sequence/convert.hpp> |
| 15 | |
| 16 | namespace boost { namespace mpl |
| 17 | { |
| 18 | template <typename Tag> |
| 19 | struct erase_key_impl; |
| 20 | |
| 21 | template <> |
| 22 | struct erase_key_impl<fusion::fusion_sequence_tag> |
| 23 | { |
| 24 | template <typename Sequence, typename Key> |
| 25 | struct apply |
| 26 | { |
| 27 | typedef typename |
| 28 | fusion::result_of::erase_key<Sequence, Key>::type |
| 29 | result; |
| 30 | |
| 31 | typedef typename |
| 32 | fusion::result_of::convert< |
| 33 | typename fusion::detail::tag_of<Sequence>::type, result>::type |
| 34 | type; |
| 35 | }; |
| 36 | }; |
| 37 | }} |
| 38 | |
| 39 | #endif |
| 40 | |
| 41 |