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Implementation of IEnumerable is generally the preferred way for a class to indicate that it should be usable with a "foreach" loop, and that multiple "foreach" loops on the same object should operate independently.

, so if you're doing complicated work to evaluate the enumerable birli you read from it, that work doesn't happen until it's asked for. This is extra beneficial, because often (say, for searches again) you'll find you might not need to do the work at all.

Genel olmayan bir derme üzerinde süssüz bir yinelemeyi destekleyen bir numaralandırıcıyı kullanıma sunar.

IEnumerable execute a select query on the server side, load veri in-memory on a client-side and then filter data

An Enumerable is a class that yaşama give you Enumerators. It özgü a method called GetEnumerator which gives you an Enumerator that looks at its items. When you write a foreach loop in C#, the code that it generates calls GetEnumerator to create the Enumerator used by the loop.

They usually have a GetXXX method that returns a IEnumerable of whatever type the custom collection class uses so the internal collection emanet be iterated around using a foreach loop.

While it might seem that only array types hayat make use of this construct, the truth of the matter is

Koleksiyonlar Arasında Gezinmeyi Sağlar: IEnumerable, koleksiyonlar arasında kolayca gezinmenizi sağlar. GetEnumerator metodu ile koleksiyonun her bir elemanına erişebilir ve bu elemanlar üzerinde prosedür yapabilirsiniz.

Is it legal to initialize an array via a functor which takes the array itself bey a parameter by reference?

This works for read-only access to a collection that implements that IEnumerable güç be used with a foreach statement.

And that might be useful and more efficient C# IEnumerable Nerelerde Kullanılıyor in certain cases. For example, your class might hamiş hold any collection in memory, but rather iterate over all files existing in a certain directory, or items in certain DB, or other unmanaged resources. IEnumerable can step in and do it for you (you could also do it without IEnumerable, but IEnumerable "fits" conceptually, plus it gives you the C# IEnumerable Nedir benefit of being able to use the object produced in a foreach loop).

Want to improve this question? Update the question so it focuses on one C# IEnumerable Kullanımı sorun only by editing this post.

Reed CopseyReed Copsey 561k7979 gold badges1.2k1.2k silver badges1.4k1.4k bronze badges 3 2 I agree strongly with your point about decoupling C# IEnumerable Nasıl Kullanılır from the implementation, but I also think there's a point for making clear the expected usage; C# IEnumerable Nasıl Kullanılır even if I have a List, referring to it kakım IEnumerable makes it clear that the functionality I'm expecting from the collection in that usage is the enumerability functionality, and hamiş any of the other List functionality.

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