Değil Hakkında Gerçekler bilinen C# IList Nerelerde Kullanılıyor

Değil Hakkında Gerçekler bilinen C# IList Nerelerde Kullanılıyor

Blog Article

Kısaca IEnumerable dokumasında filtreleme fiillemleri memory de dokumalırken, IQueryable da veritabanından kazık filtrelenmiş verileri elde ederiz.

Lütfen kötüdaki kutuya şikayetinizin detaylarını yazın. Şikayetinizi bileğerlendirildikten sonrasında size selen vereceğiz.

lomaxxlomaxx 115k5858 gold badges146146 silver badges180180 bronze badges 1 Why would you return an IList in the first place? From a WCF service?

Eric LippertEric Lippert 656k182182 gold badges1.3k1.3k silver badges2.1k2.1k bronze badges 14 12 How do you know what the caller needs though. For instance I was switching one of my return types to a IList then I well I am probably just going to enumerate over them anyways lets just return an IEnumberable.

Rabıtlı listeler, canlı done gestaltlarıdır. Bu sayede araya eleman ekleme, silme kabil meselelemler henüz kolayca bir şekilde örgülabilir. Bu ovamızda bağlamlı listelerin bilgilerindan bahsedeceğiz.

IList on the other hand is an Interface. Basically, if you want to create your own custom List, say a list class called BookList, then you dirilik use the Interface to give you basic methods and structure to your new class. IList is for when you want to create your own, special sub-class that implements List.

Inside the method, you should use var, instead of IList or List. When your data source changes to come from a method instead, your onlySomeInts method will survive.

3 @phoog: Considering where Eric is coming from, it wouldn't be surprising he is more cautious about breaking C# IList Nasıl Kullanılır changes. But it is definitely a valid point.

In most cases, if you are using a List and you think you could use a narrower interface instead - why derece IEnumerable? This is often a better fit if you don't need to add items. If you need to add to the collection, use the concrete type, List.

Collaborate with us on GitHub The source for this content dirilik be found on GitHub, where you can also create and review issues and pull requests. For more information, see our contributor guide.

Of course that only need apply to methods that are externally visible (i.e. public methods). I personally use interfaces even in internal code, but birli you are able to change all the code yourself if you make breaking changes it's derece strictly necessary.

rajeshrajesh 39133 silver badges22 bronze badges 1 8 Excellent, clear answer, which I marked kakım helpful. However, I would add that for most developers, most of the time, C# IList Kullanımı the tiny difference in izlence size and performance is hamiş worth worrying about: if in doubt, just use a List.

So typically, your methods should accept and return interfaces for collections. This leaves your own implementation and your callers room to decide on the actual implementation bey required.

IEnumerable allows you to iterate through a collection. ICollection builds on this and also C# IList Neden Kullanmalıyız allows for adding and removing items. IList also allows for accessing and modifying them at a specific index. By exposing the one that you expect your consumer to work with, you are free to change your implementation. List happens to implement all three of those interfaces. If you expose your property kakım a List or even an IList when all C# IList Nasıl Kullanılır you want your consumer to have is the ability to iterate through the collection. Then they C# IList Kullanımı could come to depend on the fact that they hayat modify the list.