Değil Hakkında Detaylar bilinen C# IList Kullanımı

Değil Hakkında Detaylar bilinen C# IList Kullanımı

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"Are there any simple groups that appear bey zeros of the zeta function?" by Peter Freyd; why is this consternating to mathematicians?

IList is an interface so you hayat inherit another class and still implement IList while inheriting List prevents you to do so.

So I came across an interesting sorun today. We have a WCF web service that returns an IList. Derece really a big deal until I wanted to sort it.

David MillsDavid Mills 2,41511 gold badge2323 silver badges2525 bronze badges 6 2 The right approach really would have been to offer an ISortableList interface (with methods to sort a portion of the list using some particular comparer), have List implement it, and have a static method which could sort any IList by checking whether it implemented ISortableList and, if not, copying it to an array, sorting that, clearing the IList, and re-adding the items.

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.

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 C# IList Nasıl Kullanılır to your new class. IList is for when you want to create your own, special sub-class that implements List.

List implements IList, and so emanet be assigned to the variable. There are also C# IList Nerelerde Kullanılıyor other types that also implement IList.

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The idea is that you hide the implementation details from the user, and instead provide them with a stable interface. This is to reduce dependency on details that might change in the future.

Want C# IList Neden Kullanmalıyız to improve this question? Update the question so it hayat be answered with facts and citations by editing this post.

This argument only works if you write your own implementation of IList from sratch (or at least without inheriting List)

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If you use the concrete type all callers need to be updated. If exposed kakım IList the caller doesn't have to be changed.

additional advantage is that your code is safe from any changes C# IList Nedir to concrete class kakım you are subscribing to only few of the methods of concrete class and those are the ones that are going to be there kakım long birli the concrete class inherits from the interface you are using.