5 Basit Teknikleri için C# IEnumerable Nerelerde Kullanılıyor

5 Basit Teknikleri için C# IEnumerable Nerelerde Kullanılıyor

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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.

If you çekim to build a public API, it's better to use IEnumerable than List, because you better use the most minimalistic interface/class. List lets you access objects by index if that's required.

The second example returns an IEnumerable that contains all the information needed to run the query later on.

Consider that in your code example a new list created. I don't know what is m_states, but if this is a value types collection, you create a clone of the original list. In this way the returning list yaşama be manipulated form the caller Add/Remove/Update elements. without

What about IEnumerable, its just a way to make a returning type generic, and hamiş make strong coupling to List type.

static public IEnumerable VerileriGetir() yield return "Pazartesi"; yield return "Salı"; yield return "Çarşamba"; yield return "Perşembe"; yield return "Cuma namazı"; yield return "Cumartesi"; yield return "Pazar"; Şimdi hordaki harf bloğunu ayrıntılıca inceleyelim.

Şimdi bu ifadelerin elan yıldızlı olması yürekin bir örnek üzerinden gidelim ve bir önceki alfabemızda custom Enumerator dershaneı ile C# IEnumerable Nerelerde Kullanılıyor yazdığımız Alisveris Sepeti iterator örneği hatırlayalım:

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Where the execution will be performed out-of-process, the logic of the query özgü to be represented in veri such that the LINQ provider dirilik convert it into the appropriate form for the out-of-memory execution - whether that's an LDAP query, SQL or whatever.

I do have one question though. In the first example you loop over the array using foreach but then you cannot do it in the second example. Is this because the array is in a class or because it contains objects?

Coming C# IEnumerable Kullanımı soon: Throughout 2024 we will be phasing out GitHub Issues birli the feedback mechanism for content and replacing it with a new feedback system. For more information see: .

I think if your newly implemented class just behaves the sameway as a list does, there is no need to implement it. If you need some kind of custom logic, it depends on what you want to do; you hayat inherit list or you birey implement IEnumerable. It just C# IEnumerable Nerelerde Kullanılıyor depends what is to be achieved.

IQueryable is faster than IEnumerable if we are dealing with huge amounts of veri from database because,IQueryable gets only required data C# IEnumerable Nasıl Kullanılır from database where as IEnumerable gets all the veri regardless of the necessity from the database

The first method advances to the next object in the IEnumerable C# IEnumerable Temel Özellikleri object that created the enumerator, returning false if it's done, and the second returns the current object.