Technically C# does derece allow functions to be outside of a class, however you could debate that static methods of a static class are functions and derece methods. This is a good explanation here: stackoverflow.com/a/155655/2146952 Ryan LundyRyan Lundy 208k4141 gold badges183183 silver badges214214 bronze badges 3 4 Then why do https://c-panel-neden-kullanmal-y98406.wikimidpoint.com/4063681/bir_İnceleme_c_ienumerator_nerelerde_kullanılıyor