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3961a4f16a
For some reason, after some seemingly unrelated upcoming changes, the
unqualified `move`s in this header result in an ADL failure:
AK/TemporaryChange.h:22:39: error: call to function 'move' that is
neither visible in the template definition nor found by argument-
dependent lookup
22 | ~TemporaryChange() { m_variable = move(m_old_value); }
| ^
Libraries/LibDNS/Resolver.h:491:29: note: in instantiation of member
function 'AK::TemporaryChange<bool>::~TemporaryChange' requested here
491 | TemporaryChange change(m_attempting_restart, true);
38 lines
611 B
C++
38 lines
611 B
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <andreas@ladybird.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/Platform.h>
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#include <AK/StdLibExtras.h>
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namespace AK {
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template<typename T>
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class TemporaryChange {
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public:
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TemporaryChange(T& variable, T value)
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: m_variable(variable)
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, m_old_value(AK::move(variable))
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{
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m_variable = AK::move(value);
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}
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~TemporaryChange()
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{
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m_variable = AK::move(m_old_value);
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}
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private:
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T& m_variable;
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T m_old_value;
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};
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}
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#if USING_AK_GLOBALLY
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using AK::TemporaryChange;
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#endif
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