gistfile1.cpp

template <class T> class Property {
  public:
    Property(T);
    T getValue();
    void setValue(T);
 
  private:
    T m_value;
 
};
 
class Entity {
  
  public:
    void addProperty(std::string, Property property ); => ???
  private:
  
    std::map<std::string, Property m_properties > m_properties; => ????
};