The running example is based on the Car interface and taxi instance, but in the edited paragraph refers to person and Person without either being defined anywhere. Sticking with taxi and Car makes more sense and I suspect someone changed the example and simply missed this sentence.
The running example is based on the
Car
interface andtaxi
instance, but in the edited paragraph refers toperson
andPerson
without either being defined anywhere. Sticking withtaxi
andCar
makes more sense and I suspect someone changed the example and simply missed this sentence.