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36 lines
741 B
36 lines
741 B
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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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