Benim C# IList Nasıl Kullanılır Başlarken Çalışmak

Benim C# IList Nasıl Kullanılır Başlarken Çalışmak

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Else use List. You emanet't really argue "oh but I KNOW that I will always pass in a List here", then you should take a List derece an IList, else you are breaking Liskov substitution principle: "if S is a subtype of T, then objects of type T may be replaced with objects of type S"

1 @supercat: What could ISortableList offer that's hamiş already in IList? Or, asked differently, why couldn't an IList be sorted in-place without re-adding the items by your imagined static method?

Interface’ler hakkında henüz okkalı bilgelik iktisap etmek isterseniz, adidaki kaynaklara boşluk atabilirsiniz:

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.

Hatta mafevkda anlattığımız IndexOf metodunu Anne liste üzerinden ast listelerdeki elemanlar yürekin kullanamazsınız. Anne liste üzerinden zir listelerin index sırasını bulabilirsiniz.

Örneğin, hordaki kodda bir IAnimal tipinde bir oynak tanılamamladım ve bu bileğişkene Dog ve Cat nesneleri atadım.

class Kisi string ad; string soyad; public string Ad get return ad; kaş ad = value; public string Soyad get return soyad; seki soyad = value;

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Anahtar değerleri belirtilen bir katlaştırıcı kullanılarak içinlaştırılır ve her grubun öğeleri tamlanan bir maslahatlev kullanılarak yansıtılır.

You would because defining an IList or an ICollection would open up for other implementations of your C# IList Neden Kullanmalıyız interfaces.

 

Returning a read-only interface such birli C# IList Kullanımı IEnumerable is often the way to go for data-retrieval methods. Your consumer emanet project it C# IList Neden Kullanmalıyız into a richer type kakım-needed.

If you use the concrete type all callers need to C# IList Nasıl Kullanılır be updated. If exposed as IList the C# IList Neden Kullanmalıyız caller doesn't have to be changed.

For instance, if you return an IEnumerable, then you are limiting them to iterating -- they yaşama't add or remove items from your object, they hayat only act against the objects. If you need to expose a collection outside of a class, but don't want to let the caller change the collection, this is one way of doing it. On the other hand, if you are returning an empty collection that you expect/want them to populate, then an IEnumerable is unsuitable.