#include <iostream>
#include <variant>
#include <algorithm>
#include <vector>

class EmptyDevice
{
public:
    void print_me()const
    {
        std::cout<<"EmptyDevice"<<'\n';
    }
};

class Pin
{
public:
    void print_me()const
    {
        std::cout<<"Pin"<<'\n';
    }
};

class UART
{
public:
    void print_me()const
    {
        std::cout<<"UART"<<'\n';
    }
};

class SoftUART
{
public:
    void print_me()const
    {
        std::cout<<"SoftUART"<<'\n';
    }
};


using ControlWay=std::variant<EmptyDevice,Pin,UART,SoftUART>;


class DeviceList
{
    std::vector<ControlWay*> m_list;
public:
    bool addDevice(ControlWay* device)
    {
        m_list.push_back(device);
        return true;
    }
    
    bool removeDevice(ControlWay* device)
    {
        m_list.erase(std::remove(m_list.begin(),m_list.end(),device),m_list.end());
        return true;
    }
    
    void print_me()const
    {
        for(auto* d:m_list)
        {
            std::visit([](auto& device)
            {
                device.print_me();
            },*d);
        }
    }
};

int main()
{
    DeviceList m_DeviceList;
    
    m_DeviceList.addDevice(new ControlWay{Pin{}});
    m_DeviceList.addDevice(new ControlWay{UART{}});
    m_DeviceList.addDevice(new ControlWay{SoftUART{}});

    m_DeviceList.print_me();
    
    //m_DeviceList.removeDevice(d1);
    //m_DeviceList.removeDevice(d2);
    //m_DeviceList.removeDevice(d3);
    
    //не забыть сделать освобождение памяти либо заюзать std::unique_ptr

    return 0;
}

class OneWireDevice;

class OneWire
{
    bool addDevice(OneWireDevice *device);
    bool removeDevice(OneWireDevice *device);
    
    List<OneWireDevice *> deviceList(); // List - предполагаемый шаблонный контейнерный класс
    
    void foo();
}

class OneWireDevice
{
    OneWireDevice(OneWire *awire = 0);
    
    OneWire* wire();
    
    void bar()
    {
        wire()->foo();
    }
}

class OneWire {...};

// -1-
class OneWirePin: public OneWire
{
    OneWirePin(Pin *pin);
};

//...
Pin *pin = new Pin();
OneWirePin *wire(pin);    


// -2-
class OneWireUart: public OneWire
{
    OneWireUart(Uart *uart);
};

//...
Uart *uart = new Uart();
OneWirePin *wire(uart); 

// -3-
class OneWireUartPin: public OneWire
{
    OneWireUartPin(SoftUart *uart)
};

//...
Pin *pin = new Pin();
SoftUart *uart = new SoftUart(pin);
OneWirePin *wire(uart);

// -1-
Pin *pin = new Pin();
OneWire *wire = new OneWire<Pin *>(pin);

// или

Pin pin;
OneWire *wire = new OneWire<Pin>(pin);


// -2-
UART *uart = new Uart();
OneWire *wire = new OneWire<UART *>(uart);

// или

UART uart;
OneWire *wire = new OneWire<UART >(uart );


// -3-
SoftUART *uart = new SoftUART();
OneWire *wire = new OneWire<SoftUART *>(uart);

// или

SoftUART uart;
OneWire *wire = new OneWire<SoftUART>(uart );