oop3

    PassengerCompartment(const String& description_given, bool for_innerPC) : PlaneComponent(description_given)
    {
        static bool already_allocated_inner_space = false;
        if ( !already_allocated_inner_space )
        {
            inner_PassengerCompartment = NULL;
            already_allocated_inner_space = true;
            std::cout << "______________________________________" << std::endl;
            std::cout << "Inner PassengerCompartment just created!" << std::endl;
            std::cout << "-----------------------------------------" << std::endl;
        }
        if (already_allocated_inner_space)
            std::cout << "----------IT's true--------" << std::endl;
        else
            std::cout <<" ------------Not true-------" << std::endl;
    }