mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2024-11-29 02:50:26 +00:00
e5f87eb12b
This is necessary for the next commit (and might even help performance in some very weird cases).
33 lines
553 B
C++
33 lines
553 B
C++
/*
|
|
* Copyright (c) 2018-2020, Andreas Kling <andreas@ladybird.org>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <AK/Platform.h>
|
|
|
|
namespace AK {
|
|
|
|
template<typename T>
|
|
class TemporaryChange {
|
|
public:
|
|
TemporaryChange(T& variable, T value)
|
|
: m_variable(variable)
|
|
, m_old_value(move(variable))
|
|
{
|
|
m_variable = move(value);
|
|
}
|
|
~TemporaryChange() { m_variable = move(m_old_value); }
|
|
|
|
private:
|
|
T& m_variable;
|
|
T m_old_value;
|
|
};
|
|
|
|
}
|
|
|
|
#if USING_AK_GLOBALLY
|
|
using AK::TemporaryChange;
|
|
#endif
|