C# IEnumerator neden kullanmalıyız - Genel Bakış
This type parameter is covariant. That is, you can use either the type you specified or any type that is more derived. For more information about covariance and contravariance, see Covariance and Contravariance in Generics. DerivedIn this example, members of these interfaces are not explicitly called, but they are implemented to support the use of