projects / ceph.git / blame
| Commit | Line | Data |
|---|---|---|
| 7c673cae FG |
1 | |
| 2 | // Copyright Oliver Kowalke 2014. | |
| 3 | // Distributed under the Boost Software License, Version 1.0. | |
| 4 | // (See accompanying file LICENSE_1_0.txt or copy at | |
| 5 | // http://www.boost.org/LICENSE_1_0.txt) | |
| 6 | ||
| 7 | #ifndef BOOST_CONTEXT_DETAIL_APPLY_H | |
| 8 | #define BOOST_CONTEXT_DETAIL_APPLY_H | |
| 9 | ||
| 10 | #include <functional> | |
| 11 | #include <tuple> | |
| 12 | #include <type_traits> | |
| 13 | #include <utility> | |
| 14 | ||
| 15 | #include <boost/config.hpp> | |
| 16 | ||
| 17 | #include <boost/context/detail/config.hpp> | |
| b32b8144 | 18 | #if defined(BOOST_NO_CXX17_STD_INVOKE) |
| 7c673cae | 19 | #include <boost/context/detail/invoke.hpp> |
| b32b8144 | 20 | #endif |
| 7c673cae FG |
21 | #include <boost/context/detail/index_sequence.hpp> |
| 22 | ||
| 23 | #ifdef BOOST_HAS_ABI_HEADERS | |
| 24 | # include BOOST_ABI_PREFIX | |
| 25 | #endif | |
| 26 | ||
| b32b8144 FG |
27 | #if defined(BOOST_MSVC) |
| 28 | # pragma warning(push) | |
| 29 | # pragma warning(disable: 4100) | |
| 30 | #endif | |
| 31 | ||
| 7c673cae FG |
32 | namespace boost { |
| 33 | namespace context { | |
| 34 | namespace detail { | |
| 35 | ||
| 36 | template< typename Fn, typename Tpl, std::size_t ... I > | |
| 37 | auto | |
| 38 | apply_impl( Fn && fn, Tpl && tpl, index_sequence< I ... >) | |
| b32b8144 | 39 | #if defined(BOOST_NO_CXX17_STD_INVOKE) |
| 11fdf7f2 | 40 | -> decltype( boost::context::detail::invoke( std::forward< Fn >( fn), std::get< I >( std::forward< Tpl >( tpl) ) ... ) ) |
| b32b8144 FG |
41 | #else |
| 42 | -> decltype( std::invoke( std::forward< Fn >( fn), std::get< I >( std::forward< Tpl >( tpl) ) ... ) ) | |
| 43 | #endif | |
| 7c673cae | 44 | { |
| b32b8144 | 45 | #if defined(BOOST_NO_CXX17_STD_INVOKE) |
| 11fdf7f2 | 46 | return boost::context::detail::invoke( std::forward< Fn >( fn), std::get< I >( std::forward< Tpl >( tpl) ) ... ); |
| b32b8144 FG |
47 | #else |
| 48 | return std::invoke( std::forward< Fn >( fn), std::get< I >( std::forward< Tpl >( tpl) ) ... ); | |
| 49 | #endif | |
| 7c673cae FG |
50 | } |
| 51 | ||
| 52 | template< typename Fn, typename Tpl > | |
| 53 | auto | |
| 54 | apply( Fn && fn, Tpl && tpl) | |
| 55 | -> decltype( apply_impl( std::forward< Fn >( fn), | |
| 56 | std::forward< Tpl >( tpl), | |
| 57 | make_index_sequence< std::tuple_size< typename std::decay< Tpl >::type >::value >{}) ) | |
| 58 | { | |
| 59 | return apply_impl( std::forward< Fn >( fn), | |
| 60 | std::forward< Tpl >( tpl), | |
| 61 | make_index_sequence< std::tuple_size< typename std::decay< Tpl >::type >::value >{}); | |
| 62 | } | |
| 63 | ||
| 64 | }}} | |
| 65 | ||
| b32b8144 FG |
66 | #if defined(BOOST_MSVC) |
| 67 | # pragma warning(pop) | |
| 68 | #endif | |
| 69 | ||
| 7c673cae FG |
70 | #ifdef BOOST_HAS_ABI_HEADERS |
| 71 | #include BOOST_ABI_SUFFIX | |
| 72 | #endif | |
| 73 | ||
| 74 | #endif // BOOST_CONTEXT_DETAIL_APPLY_H |