#pragma once

class Base abstract
{
public:
  virtual ~Base(
  )
  {
  }
};

class Main : public Base {
  friend class boost::serialization::access;
  template<class Archive>
  void serialize(Archive & ar, const unsigned int version)
  { 
    ar & m_objects;
  }

public:

  std::vector<Base*>
    m_objects;

  Main(
  )
  {
  }

};