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// Copyright Oliver Kowalke 2014.
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#ifndef BOOST_CONTEXT_DETAIL_EXCHANGE_H
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#define BOOST_CONTEXT_DETAIL_EXCHANGE_H
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#include <algorithm>
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#include <utility>
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#include <boost/config.hpp>
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#ifdef BOOST_HAS_ABI_HEADERS
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# include BOOST_ABI_PREFIX
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#endif
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namespace boost {
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namespace context {
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namespace detail {
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template< typename T, typename U = T >
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T exchange( T & t, U && nv) {
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T ov = std::move( t);
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t = std::forward< U >( nv);
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return ov;
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}
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}}}
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#ifdef BOOST_HAS_ABI_HEADERS
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#include BOOST_ABI_SUFFIX
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#endif
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#endif // BOOST_CONTEXT_DETAIL_EXCHANGE_H
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