class Developer : virtual Foo {
  public:
    Developer();
    struct ComputerEngineer
    {
      union About_Me
      {
        string tools = "bash bash bash!";
      };
      union Contact_Me
      {
        string email[] = "earlmccard@gmail.com";
        string location[] = "miami beach, fl";
      };
    } bio;
  private:
    struct preferences
    {
      union code {
        const string preferred = "C++";
        const char* programming_languages[] 
        {
          "c", "c++", "java", "python"
        };
        const char* developer_tools [] =
        {
          "bash", "ultimate-vim", "tmux"
        };
    } prefs;
    struct technology
    {
      string machine_learning;
      string artificial_intelligence;
      string fuel_cell_ai;
      string predictive_maintenance;
      string autonomous_vehicles;
    } tech;
}; // end class Developer