serenity/AK/TemporaryChange.h
Robin Burchell 0dc9af5f7e Add clang-format file
Also run it across the whole tree to get everything using the One True Style.
We don't yet run this in an automated fashion as it's a little slow, but
there is a snippet to do so in makeall.sh.
2019-05-28 17:31:20 +02:00

23 lines
363 B
C++

#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;