| 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_FRONT_10022005_1618) |
| 8 | #define FUSION_FRONT_10022005_1618 |
| 9 | |
| 10 | #include <boost/fusion/support/config.hpp> |
| 11 | #include <boost/mpl/front.hpp> |
| 12 | #include <boost/fusion/sequence/intrinsic/begin.hpp> |
| 13 | #include <boost/fusion/iterator/value_of.hpp> |
| 14 | |
| 15 | namespace boost { namespace mpl |
| 16 | { |
| 17 | template <typename Tag> |
| 18 | struct front_impl; |
| 19 | |
| 20 | template <> |
| 21 | struct front_impl<fusion::fusion_sequence_tag> |
| 22 | { |
| 23 | template <typename Sequence> |
| 24 | struct apply : |
| 25 | fusion::result_of::value_of<typename fusion::result_of::begin<Sequence>::type> {}; |
| 26 | }; |
| 27 | }} |
| 28 | |
| 29 | #endif |
| 30 |