public ExitCommand(CommandLoop loop) : base(loop) { }
public CommandFactory(CommandLoop loop) { _loop = loop; }
public UnknownCommand(CommandLoop loop) : base(loop) { }
protected Command(CommandLoop loop) { _loop = loop; }
public AddCommand(CommandLoop loop) : base(loop) { }
public SearchCommand(CommandLoop loop) : base(loop) { }
public DeleteCommand(CommandLoop loop) : base(loop) { }