public MarsRoverCommand(MarsRover rover) { this.Rover = rover; }
public BrakeCommand(MarsRover rover) : base(rover) { }
public TurnLeftCommand(MarsRover rover) : base(rover) { }
public TurnRightCommand(MarsRover rover) : base(rover) { }
public AccelerateCommand(MarsRover rover) : base(rover) { }