ladybird/AK/TemporaryChange.h

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/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
namespace AK {
template<typename T>
class TemporaryChange {
public:
TemporaryChange(T& variable, T value)
: m_variable(variable)
, m_old_value(variable)
{
m_variable = value;
}
~TemporaryChange() { m_variable = m_old_value; }
private:
T& m_variable;
T m_old_value;
};
}
using AK::TemporaryChange;