Technically C# does not allow functions to be outside of a class, however you could debate that static methods of a static class are functions and not methods. This is a good explanation here: stackoverflow.com/a/155655/2146952 Looks good. The bütünüyle function just returns an IEnumerator - but is otherwise a uygun https://anten49494.daneblogger.com/27610888/en-iyi-tarafı-c-ienumerator-neden-kullanmalıyız