projects / ceph.git / blame
| Commit | Line | Data |
|---|---|---|
| 7c673cae FG |
1 | /*============================================================================= |
| 2 | Copyright (c) 2001-2011 Joel de Guzman | |
| 3 | Copyright (c) 2006 Dan Marsden | |
| 4 | ||
| 5 | Distributed under the Boost Software License, Version 1.0. (See accompanying | |
| 6 | file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) | |
| 7 | ==============================================================================*/ | |
| 8 | #if !defined (BOOST_FUSION_PAIR_TIE_20060812_2058) | |
| 9 | #define BOOST_FUSION_PAIR_TIE_20060812_2058 | |
| 10 | ||
| 11 | #include <boost/fusion/support/config.hpp> | |
| 12 | #include <boost/type_traits/is_const.hpp> | |
| 13 | #include <boost/utility/enable_if.hpp> | |
| 14 | ||
| 15 | namespace boost { namespace fusion { | |
| 16 | ||
| 17 | template<typename Key, typename T> | |
| 18 | struct pair; | |
| 19 | ||
| 20 | namespace result_of | |
| 21 | { | |
| 22 | template<typename Key, typename T> | |
| 23 | struct pair_tie | |
| 24 | { | |
| 25 | typedef fusion::pair<Key, T&> type; | |
| 26 | }; | |
| 27 | } | |
| 28 | ||
| 29 | template<typename Key, typename T> | |
| 30 | BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED | |
| 31 | typename disable_if<is_const<T>, typename result_of::pair_tie<Key, T>::type>::type | |
| 32 | pair_tie(T& t) | |
| 33 | { | |
| 34 | return typename result_of::pair_tie<Key, T>::type(t); | |
| 35 | } | |
| 36 | ||
| 37 | template<typename Key, typename T> | |
| 38 | BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED | |
| 39 | typename result_of::pair_tie<Key, T const>::type | |
| 40 | pair_tie(T const& t) | |
| 41 | { | |
| 42 | return typename result_of::pair_tie<Key, T const>::type(t); | |
| 43 | } | |
| 44 | }} | |
| 45 | ||
| 46 | #endif |