| 1 | /*============================================================================= |
|---|---|
| 2 | Copyright (c) 2018 Kohei Takahashi |
| 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 | #ifndef BOOST_FUSION_IS_NATIVE_FUSION_SEQUENCE |
| 8 | #define BOOST_FUSION_IS_NATIVE_FUSION_SEQUENCE |
| 9 | |
| 10 | #include <boost/fusion/support/config.hpp> |
| 11 | #include <boost/fusion/support/sequence_base.hpp> |
| 12 | #include <boost/mpl/and.hpp> |
| 13 | #include <boost/type_traits/is_complete.hpp> |
| 14 | #include <boost/type_traits/is_convertible.hpp> |
| 15 | |
| 16 | namespace boost { namespace fusion { namespace detail |
| 17 | { |
| 18 | template <typename Sequence> |
| 19 | struct is_native_fusion_sequence |
| 20 | : mpl::and_< |
| 21 | is_complete<Sequence> |
| 22 | , is_convertible<Sequence, detail::from_sequence_convertible_type> |
| 23 | > |
| 24 | {}; |
| 25 | }}} |
| 26 | |
| 27 | #endif |
| 28 |