C# IList Neden Kullanmalıyız Için 5-İkinci Trick

C# IList Neden Kullanmalıyız Için 5-İkinci Trick

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How to refer to the locations in lower depths of a waterbody (such as a lake)? more hot questions

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

Interface’ler karşı henüz ziyade selen kazanmak isterseniz, bayağıdaki kaynaklara hane atabilirsiniz:

It's more nuanced than that. If you are returning an IList bey part of the public interface to your library, you leave yourself interesting options to perhaps make a custom list in the future.

I tend to follow Jeffrey's advice for internal code, but for a public library, I would probably be more inclined to follow Eric's.

The Liskov Substitution Principle (simplified) states that a derived type should be able to be used in place of a base type, with no additional preconditions or postconditions.

In case of using IList, the caller is always guareented things to work, and the implementer is free to change the underlying collection to any alternative concrete implementation of IList

In fact, any time you are using reflection IList is more convenient than IList-of-T, since generics and reflection don't play nicely together. It birey be done, but it is a pain. Unfortunately since IList-of-T doesn't derive from IList there are cases where this yaşama eden - but it is a good 95% rule.

This example also tells you that there may be situations when you need to specify the implementation, hamiş the interface, in the argument list: In this example, whenever you require a particular access performance characteristic.

Then later if you decide to convert the actual data store from a List to a Dictionary and expose the dictionary keys kakım the actual value for the property C# IList Neden Kullanmalıyız (I have had to do exactly this before). Then consumers who have come to expect that their changes will be reflected inside of your class will no longer have that capability. That's a big mesele! If you expose the List birli an IEnumerable you güç comfortably predict that your C# IList Kullanımı collection is derece being modified externally. That is one of the powers of exposing List as any of the above interfaces.

However, this makes the method more fragile, bey any change to the returned C# IList Nedir object type may break the calling code. In practice though, that generally isn't a major sorun.

List communicates "I need to get and takım the elements of this sequence in arbitrary order and C# IList Nasıl Kullanılır I C# IList Nerelerde Kullanılıyor only accept lists; I do derece accept arrays."

List dershaneı tanımlanırken T tip bileğsorunkenini alır. Doğrusu listenin muhteviyatında ne türden nesne yada değfiilkenlerin olacağını belirler.

If you had used IList in the rest of the app you could extend List with your own custom class and still be able to pass that around without refactoring.