ladybird/AK/ScopedValueRollback.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

38 lines
579 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 ScopedValueRollback {
public:
ScopedValueRollback(T& variable)
: m_variable(variable)
, m_saved_value(variable)
{
}
~ScopedValueRollback()
{
m_variable = m_saved_value;
}
void set_override_rollback_value(const T& value)
{
m_saved_value = value;
}
private:
T& m_variable;
T m_saved_value;
};
}
using AK::ScopedValueRollback;