ladybird/AK/ScopedValueRollback.h
Andreas Kling 6ae95945aa AK: Add ScopedValueRollback::set_override_rollback_value().
This can be used if you change your mind about what value we should roll
back to. :^)
2019-07-25 15:21:16 +02:00

32 lines
462 B
C++

#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;