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) 2013-2023 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 <boost/config.hpp>
24#include <boost/detail/workaround.hpp>
25#include <boost/move/utility_core.hpp> // for boost::move
26#include <boost/move/adl_move_swap.hpp>
27
28namespace boost { namespace detail { namespace variant {
29
30using boost::move;
31
32//////////////////////////////////////////////////////////////////////////
33// function template move_swap
34//
35// Swaps using Koenig lookup but falls back to move-swap for primitive
36// types and on non-conforming compilers.
37//
38
39template <typename T>
40inline void move_swap(T& lhs, T& rhs)
41{
42 ::boost::adl_move_swap(lhs, rhs);
43}
44
45}}} // namespace boost::detail::variant
46
47#endif // BOOST_VARIANT_DETAIL_MOVE_HPP
48
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51