Benim C# IList Neden Kullanmalıyız Başlarken Çalışmak

Benim C# IList Neden Kullanmalıyız Başlarken Çalışmak

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We needed the list indexer infrequently, so the inefficiency was hamiş a sıkıntı. If it had been, we could have provided some other implementation of IList, perhaps as a collection of small-enough arrays, that would have been more efficiently indexable while also avoiding large objects.

Lütfen süflidaki kutuya şikayetinizin bilgilerinı edebiyat. Şikayetinizi değerlendirildikten sonra size veri vereceğiz.

Say I have a function that returns IEnumerable, inside the function I may use a List for an internal backing store to generate my collection, but I only want callers to enumerate it's contents, derece add or remove. Accepting an interface as a parameter communicates a similar message "I need a collection of strings, don't worry though, I won't change it."

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.

ToList first? How about returning it? I don't understand what you mean by "method will survive" when using vars? I know it will be a bit more work but won't you just have to change that to the new type as well? So maybe IList to IList?

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 yaşama use the Interface to give you basic methods and C# IList Neden Kullanmalıyız structure to your new class. IList is for when you want to create your own, special sub-class that implements List.

class Kisi string ad; string soyad; public string Ad get return ad; set ad = value; public string Soyad get C# IList Neden Kullanmalıyız return soyad; takım soyad = value;

From my reading I think I could have used IEnumberable instead of IList C# IList Nasıl Kullanılır since I am just looping through stuff.

And, if you don't even need everything in IList you hayat always use IEnumerable too. With çağcıl compilers and processors, I don't think there C# IList Nerelerde Kullanılıyor is really any speed difference, so this is more just a matter of style.

It really comes down to the kind of functionality you need. I'd suggest using the List class in most cases. IList is best for when you need to make a custom array that could have some very specific rules that you'd like to encapsulate within a collection so you don't repeat yourself, but still want .Kemiksiz to recognize it birli a list.

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 as you are able to change all the code yourself if you make breaking changes it's hamiş strictly necessary.

Coming 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: C# IList Kullanımı .

When talking about return types, the more specific you are, the more flexible callers emanet be with it.

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