scoped_value.h

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#pragma once

namespace cpp {

template<typename T>
class ScopedValue
{
public:
    ScopedValue(T& variable, T scopeValue);
    ~ScopedValue();

private:
    T m_orgValue;
    T& m_variable;
};

typedef ScopedValue<bool> ScopedBool;


// --
// -- Implementation
// --

template<typename T>
ScopedValue<T>::ScopedValue(T &variable, T scopeValue)
    : m_orgValue(variable),
      m_variable(variable)
{
    m_variable = scopeValue;
}

template<typename T>
ScopedValue<T>::~ScopedValue()
{
    m_variable = m_orgValue;
}

} // namespace cpp