static void Main(string[] args)
{
//var galen = new Person("Galen", "Casstevens");
//var length = GetMiddleNameLength(galen);
//Console.WriteLine(length);
var bmw = new SportsCar("BMW", "335i", 2013);
var count = GetNumberOfFeatures(bmw);
Console.WriteLine(count);
}
static int GetNumberOfFeatures(SportsCar car)
{
//return car.Features?.Count ?? 0;
//return car.Features is { Count: var count } ? count : 0;
return(car.Features.Count);
}