The Ultimate Guide To C# IEnumerable Nedir

The Ultimate Guide To C# IEnumerable Nedir

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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.

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. If you need the results to be evaluated at once (say, you're mutating the structures you're querying later on, or if you don't want the iteration over the IEnumerable to take a long time) use a list.

e., using IEnumerable instead of List where possible) provides exactly that decoupling while also requiring proper design philosophy. That is to say, you güç achieve decoupling but derece achieve minimal dependency, but you cannot achieve minimal dependency without achieving maximal decoupling.

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

So if I am going through all the items on ebay, one at a time would be something even a small computer can handle, but ".ToList()" would surely run me out of C# IEnumerable Temel Özellikleri memory, no matter how big my computer was. No computer güç by itself contain and handle such a huge amount of veri.

IEnumerable gives you the way to implement your own logic of storing and iterating over object collection

Nobody mentioned one crucial difference, ironically answered on a question closed as a duplicated of this. IEnumerable is read-only and List is derece.

List, on the other hand, is a specific implementation of IEnumerable that C# IEnumerable Kullanımı stores the objects in a specific, known manner. Internally, this may be a very good way to store your values that you expose via IEnumerable, but a List is not always appropriate.

Any idea why the C# IEnumerable Kullanımı Enumerable is "split" into "inner" and "outer"? This happens when I inspect the element in debug/break mode via C# IEnumerable Temel Özellikleri mouse. Is this perhaps Visual Studio's contribution? Enumerating on the spot and indicating input and output of the Enum?

sanarak sorarsak şayet üst satırlarda bahsettiğimiz üzere o derslikın geriye IEnumerator nesnesi dönen GetEnumerator isminde metodu barındırıyor olması demekti. Ee haliyle IEnumerable interface’i ait sınıfa C# IEnumerable Kullanımı uygulanmış olduğunda GetEnumerator metodunu implement edecektir.

RastoRasto 17.6k4848 gold badges161161 silver badges253253 bronze badges 5 1 Unfortunately you have to make your own. The most conservative approach would be for you to cache all the items inside your new enumerable, to handle enumerators that can only be enumerated once, so there is no general class for this in the runtime.

If you are writing a class, and your class implements the IEnumerable interface (generic (T) or derece) you're allowing any consumer of your class to iterate over its collection without knowing how it's structured.