door.cpp

class Door
{
public:
    Door() {}
    void toggleOpen() 
    {
        // Open or close the door
        m_open = !m_open;
        if (m_open)
        {
            std::cout << "Door is open" << std::endl;
        }
        else
        {
            std::cout << "Door is closed" << std::endl;
        }
    }
    
private:
    bool m_open = false;
};