gistfile1.txt

 class Restaurants : IEnumerable
 {
        readonly public List<Restaurant> restaurants = new List<Restaurant> 
        {
            new Restaurant("Pizza", true),
            new Restaurant("Hamburger", false), 
            new Restaurant("Bread", true)
        };
        
        public GetEnumerator() => new OpenRestaurantsEnumerator(restaurants);
    }

    class Program
    {
        static void Main(string[] args)
        {
            Restaurants restaurants = new Restaurants();

            foreach (Restaurant restaurant in restaurants)
            {
                Console.WriteLine(restaurant.Name);
            }

            //Output:
            //Pizza
            //Bread
        }
}