package ardrone type testDrone struct{} func (t testDrone) Takeoff() bool { return true } func (t testDrone) Land() {} func (t testDrone) Up(a float64) {} func (t testDrone) Down(a float64) {} func (t testDrone) Left(a float64) {} func (t testDrone) Right(a float64) {} func (t testDrone) Forward(a float64) {} func (t testDrone) Backward(a float64) {} func (t testDrone) Clockwise(a float64) {} func (t testDrone) Counterclockwise(a float64) {} func (t testDrone) Hover() {}