If an airline is "countable", this means that there MUST be a flight attendant present on the plane, whose sole job is to count:
Örneğin oluşturduğumuz bir List içine biz Add komutu ile ekleme yapabiliyoruz yahut Count ile içerisinde bulunan elemanların sayısını alabiliyoruz ve bunu foreach içinde kullanabiliyoruz. Pekâlâ List bir dershane olmasına karşın foreach nasıl buna müsaade veriyor?
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The following code example demonstrates the best practice for iterating a custom collection by implementing the IEnumerable and IEnumerator interfaces. In this example, members of these interfaces are hamiş explicitly called, but they are implemented to support the use of foreach (For Each in Visual Basic) to iterate through the collection.
İlgili bulunak makale yazgım sürecinde bilincinde olmaksızın yanlışlıkla kırlmış olsa lüzum.
B. IEnumerator kişi remember the current index when we pass from one method to another (it start working with current index) but IEnumerable güç't remember the index and it reset the index to beginning. More in this video
Velhasıl… Yapmış olduğumız bu sorunlemler neticesinde “Personeller” sınıfımız, içinde bir “Personel” done kümesi barındıran ve bu done kümesi üzerinde itere edilebilir bir nitelik arz eden bir sınıf mahiyetindedir.
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) without affecting original veri." is confusing. Do C# IEnumerable Nedir you mean that the new list returned gönül been added to, and elements güç be removed but no updates? I thought that because it returned ienumerable you gönül modify the elements in the list, i.e. change a property like you said but you gönül't add and remove C# IEnumerable Temel Özellikleri items in the list. Is that correct?
By using IEnumerable in your API, you provide yourself the flexibility to change the internal implementation at any time without changing any other code
This takes an IEnumerator factory function, which usually C# IEnumerable Nasıl Kullanılır dirilik be provided very easily instead of the single IEnumerator instance (which yields wrong results after first iteration and breaks the semantics of IEnumerable). This avoids the issues marked by Marc Gravell and establishes full IEnumerable behavior.
I think if your newly implemented class just behaves the sameway as a list does, there is no need to implement C# IEnumerable Kullanımı it. If you need some kind of custom logic, it depends on what you want to do; you dirilik inherit list or you can implement IEnumerable. It just depends what is to be achieved.
Reed CopseyReed Copsey 561k7979 gold badges1.2k1.2k silver badges1.4k1.4k bronze badges 3 2 I agree strongly with your point about decoupling from the implementation, but I also think there's a point for making clear the expected usage; even if I have a List, referring to it as IEnumerable makes it clear that the functionality I'm expecting from the collection in C# IEnumerable Nerelerde Kullanılıyor that usage is the enumerability functionality, and derece any of the other List functionality.
By "functionally equivalent," I mean that's actually what the compiler turns the code into. You dirilik't use foreach on baz in this example unless