Hakkında herşey C# IList Nerelerde Kullanılıyor

Hakkında herşey C# IList Nerelerde Kullanılıyor

Blog Article

Kısaca IEnumerable strüktürsında filtreleme fiillemleri memory de örgülırken, IQueryable da veritabanından direk filtrelenmiş verileri elde ederiz.

Then the person calling the method is free to call it with any data type that is enumerable. This allows your code to be used in unexpected, but perfectly valid ways.

Also, it casts IList to IList which saf the potential to be dangerous. In most cases that I have seen, List which implements IList is used behind the scenes to implement IList, but this is hamiş guaranteed and kişi lead to brittle code.

Dirilik a unique position be deduced if pieces are replaced by checkers (emanet see piece color but not type)

In this specific case since you're essentially talking about a language construct, not a custom one it generally won't matter, but say for example that you found List didn't support something you needed.

List is a specific implementation of IList, which is a container that birey be addressed the same way birli a linear array T[] using an integer index. When you specify IList kakım the type of the method's argument, you only specify that you need certain capabilities C# IList Kullanımı of the container. For example, the interface specification does not enforce a specific data structure to be used.

Object hayat be a T too. Doing this will save you headache if you decide to use a Stack or some other veri C# IList Nasıl Kullanılır structure further down the road. If all you need to do in the function is foreach through it, IEnumerable is really all you should be asking for.

3 @phoog: Considering where Eric is coming from, it wouldn't be surprising he is more cautious about breaking 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 C# IList Nedir the concrete type, List.

Want to improve this question? Update the question so it sevimli be answered with facts and citations by editing this post.

private List _numbers; // callers dirilik add/update/remove elements, but cannot reassign a new list to this property

In this case you could pass in any class which implements the IList interface. If you used List instead, only a List instance could be passed C# IList Nedir in.

If you use a concrete implementation of list, another implementation of the same list will hamiş be supported by your code.

This works, because only the outer list is created in the first C# IList Neden Kullanmalıyız place. You kişi then insert individual items that are compatible with IList: