- Create the trait Vehicle with the model and year
At a border crossing, you want to keep a list of all the vehicles that are waiting to enter the country. You intend to keep a waiting list of the vehicles, but the vehicles can be one of two types: `Car` or `Truck`.
- In a border cross you want to keep a list of all the vehicles that are waiting to enter the country. You want to keep a waiting list of the vehicle but the vehicles can be of two types: Car or Truck
Create a function that receives a vector of structures that implements the `Vehicle` trait, and returns all the models.
- Create a function that receives a vector of structures that implements the Vehicle trait and returns all the models.