ceph/src/boost/boost/variant/detail/move.hpp

   1 //-----------------------------------------------------------------------------
   2 // boost variant/detail/move.hpp header file
   3 // See http://www.boost.org for updates, documentation, and revision history.
   4 //-----------------------------------------------------------------------------
   5 //
   6 //  Copyright (c) 2002-2003 Eric Friedman
   7 //  Copyright (c) 2002 by Andrei Alexandrescu
   8 //  Copyright (c) 2013-2014 Antony Polukhin
   9 //
  10 //  Use, modification and distribution are subject to the
  11 //  Boost Software License, Version 1.0. (See accompanying file
  12 //  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  13 //
  14 //  This file derivative of MoJO. Much thanks to Andrei for his initial work.
  15 //  See <http://www.cuj.com/experts/2102/alexandr.htm> for information on MOJO.
  16 //  Re-issued here under the Boost Software License, with permission of the original
  17 //  author (Andrei Alexandrescu).
  18
  19
  20 #ifndef BOOST_VARIANT_DETAIL_MOVE_HPP
  21 #define BOOST_VARIANT_DETAIL_MOVE_HPP
  22
  23 #include <iterator> // for iterator_traits
  24 #include <new> // for placement new
  25
  26 #include <boost/config.hpp>
  27 #include <boost/detail/workaround.hpp>
  28 #include <boost/move/move.hpp>
  29 #include <boost/move/adl_move_swap.hpp>
  30
  31 namespace boost { namespace detail { namespace variant {
  32
  33 using boost::move;
  34
  35 //////////////////////////////////////////////////////////////////////////
  36 // function template move_swap
  37 //
  38 // Swaps using Koenig lookup but falls back to move-swap for primitive
  39 // types and on non-conforming compilers.
  40 //
  41
  42 template <typename T>
  43 inline void move_swap(T& lhs, T& rhs)
  44 {
  45     ::boost::adl_move_swap(lhs, rhs);
  46 }
  47
  48 }}} // namespace boost::detail::variant
  49
  50 #endif // BOOST_VARIANT_DETAIL_MOVE_HPP
  51
  52
  53