C# IList Nasıl Kullanılır Herkes İçin Eğlenceli Olabilir

C# IList Nasıl Kullanılır Herkes İçin Eğlenceli Olabilir

Blog Article

I toyed with writing an extension method, also with inheriting from IList and implementing my own Sort() method bey well as casting to a List but none of these seemed overly elegant.

Maybe take it into a List of T rather than ArrayList, so that you get type safety and more options for how you implement the comparer.

You pass the interface so that no matter what concrete implementation of that interface you use, your code will support it.

So when writing a function or method that takes a collection, write it not to take a List, but an IList, an ICollection, or IEnumerable. The generic interfaces will still work even for heterogenous lists because System.

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 birli well? So maybe IList to IList?

This level of abstraction goes the other direction when it belongs to method parameters. When you pass your list to a method that accepts IEnumerable you sevimli be sure that your list is hamiş going to be modified. When you are the person implementing the method and you say you accept an IEnumerable because all you need to do is iterate through that list.

StuartLCStuartLC 106k1818 gold badges216216 silver badges289289 bronze badges Add a comment  

GitHub'da bizimle ortaklık konstrüksiyonn Bu hapishaneğin kaynağı GitHub'da bulunabilir; burada hatta problemlerı ve çekme isteklerini oluşturup gözden geçirebilirsiniz. Daha çokça malumat C# IList Kullanımı muhtevain katkıda mevcut kılavuzumuzu inceleyin.

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 the concrete type, List.

Taking LinkedList vs taking List vs IList all communicate something of C# IList Nerelerde Kullanılıyor the performance guarantees required by the code being called.

IList.IsFixedSize bileğerinin durağan bir boyuta mevla olup olmadığını IList belirten bir paha alır.

Returning a read-only interface such birli IEnumerable is often the way to go for veri-retrieval C# IList Nerelerde Kullanılıyor methods. Your consumer emanet project it into a richer type birli-needed.

If you're just enumerating over the values, you should be using IEnumerable. Every type of datatype that birey hold more than one value implements IEnumerable (or C# IList Nasıl Kullanılır should) and makes your method hugely flexible.

For instance, if you return an IEnumerable, then you are limiting them to iterating -- they emanet't add or remove items from your object, they can 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 C# IList Nerelerde Kullanılıyor other hand, if you are returning an empty collection that you expect/want them to populate, then an IEnumerable is unsuitable.