namespace Packt.Shared;

public class ImmutablePerson
{
  public string? FirstName { get; init; }
  public string? LastName { get; init; }
}

public record ImmutableVehicle
{
  public int Wheels { get; init; }
  public string? Color { get; init; }
  public string? Brand { get; init; }
}

// simpler way to define a record
// auto-generates the properties, constructor, and deconstructor
public record ImmutableAnimal(string Name, string Species);