static async Task AsyncAwaitFct()
        {
            var now = DateTime.UtcNow;

            Console.WriteLine("Regular async await...");
            Console.WriteLine($"[{now.ToShortDateString()} {now.ToLongTimeString()}]");
            foreach (var n in await AsyncUtils.GetNamesStdAsync())
            {
                Console.WriteLine("Std Async Hello World!");
                Console.WriteLine($"[{now.ToShortDateString()} {now.ToLongTimeString()}]");
            }

            Console.WriteLine("Now streams...");
            Console.WriteLine($"[{now.ToShortDateString()} {now.ToLongTimeString()}]");
            await foreach (var n in AsyncUtils.GetNamesAsyncStream())
            {
                Console.WriteLine("Std Async Hello World!");
                Console.WriteLine($"[{now.ToShortDateString()} {now.ToLongTimeString()}]");
            }
        }