/*
 * Subject.hpp
 *
 *  Created on: 31 окт. 2021 г.
 *      Author: alexander
 */

#pragma once

#include "Observer.hpp"

class Subject
{
public:
    virtual void registerObserver(Observer &o) = 0;
    virtual void removeObserver(Observer &o) = 0;
    virtual void notifyObservers() = 0;

    virtual ~Subject() {}
};