ladybird/AK/TemporaryChange.h
Brian Gianforcaro 1682f0b760 Everything: Move to SPDX license identifiers in all files.
SPDX License Identifiers are a more compact / standardized
way of representing file license information.

See: https://spdx.dev/resources/use/#identifiers

This was done with the `ambr` search and replace tool.

 ambr --no-parent-ignore --key-from-file --rep-from-file key.txt rep.txt *
2021-04-22 11:22:27 +02:00

30 lines
480 B
C++

/*
* 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;