C# IEnumerable Temel Özellikleri Aptallar için

C# IEnumerable Temel Özellikleri Aptallar için

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IEnumerable ve IQueryable çoğu vüruttirici aracılığıyla kullanmaı karıştırılmakta ve ne hin nerede kullanılacağı bilinmemektedir.

Anything in .Kemiksiz that you sevimli iterate over implements IEnumerable. If you're building your own class, and it doesn't already inherit from a class that implements IEnumerable, you dirilik make your class usable in foreach statements by implementing IEnumerable (and by creating an enumerator class that its new GetEnumerator method will return).

. 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.

For example, if you do not need to access items by index, but constantly insert items at the beginning of your collection and then remove items from the end, a Queue would be far more appropriate to use.

Nihayetinde burada ortaya çıdem sonuç; IEnumerable interfaceinin uygulandığı sınıfa zorla GetEnumerator isimli metot implement ettirilmektedir. IEnumerator ise müntesip sınıfa iterasyon ustalıkleminde kullanılacak elemanları ve özellikleri kazandırmaktan mesuliyetli olacaktır.

The compiler performs pattern matching. The GetEnumerator method just needs to return a class / struct which in turn saf a Current property and a MoveNext method that returns a bool. I gönül highly recommend Eric Lipperts blog post about pattern matching

C# 8.0, bu sınıfların asenkron alınlıkları olarak düşenebileceğimiz Asynchronous Streams mirlığı altındaki IAsyncEnumerable ve IAsyncEnumerator alternatiflerini getirmiş bulunmaktadır.

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) without affecting original data." is confusing. Do you mean that the new list returned yaşama been added to, and elements gönül be removed but no updates? C# IEnumerable Nasıl Kullanılır I thought that because it returned ienumerable you birey modify the elements in the list, i.e. change a property like you said but you hayat't add and remove 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

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

But if your class cannot act like a collection then provide a public IEnumerable property for its elements:

On the flip side, it C# IEnumerable Nasıl Kullanılır is usually best to declare a method’s return C# IEnumerable Nasıl Kullanılır type by using the strongest type possible (trying derece to C# IEnumerable Nasıl Kullanılır commit yourself to a specific type). Share Follow

Here is why it loads twice as fewer items birli the first example on average. Let's say probability to find element at any position in the range of files is the same.