program.cs

using System;

namespace TestSwitchExpressions
{
    class Program
    {
        static void Main(string[] args)
        {
            Console.WriteLine("Hello World!");
            var resposne = CarMakeFactory(CarMake.Ford);
            Console.WriteLine(resposne);
        }

        public enum CarMake
        {
            Chevrolet,
            Ford,
            Dodge,
            Tesla
        }
        public static ICarService CarMakeFactory(CarMake make)
        {
            return make switch
            {
                CarMake.Chevrolet => new ChevroletService(),
                CarMake.Ford => new FordService(),
                CarMake.Dodge => new DodgeService(),
                CarMake.Tesla => new TeslaService(),
                _ => throw new ArgumentException(message: "Invalid value for CarMake", paramName: nameof(make))
            };
        }

        public interface ICarService { }

        public class ChevroletService : ICarService { }
        public class FordService : ICarService { }
        public class DodgeService : ICarService { }
        public class TeslaService : ICarService { }
    }
}