Bir Unbiased Görünüm C# IList Nasıl Kullanılır

Bir Unbiased Görünüm C# IList Nasıl Kullanılır

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You cannot predict the future. Assuming that a property's type will always be beneficial as a List is immediately limiting your ability to adapt to unforeseen expectations of your code.

Same principle as before, reversed. Offer the bare minimal that your caller requires. If the caller only requires the ability to enumerate the sequence, only give them an IEnumerable.

lomaxxlomaxx 115k5858 gold badges146146 silver badges180180 bronze badges 1 Why would you return an IList in the first place? From a WCF service?

Kendi koleksiyon sınıflarınızı oluştururken tekrar kullanılabilir harf yazmanızı sağlar: C# CollectionBase kullanarak genel derme fiillemlerini yürekeren bir yapı taşı klas oluşturabilirsiniz.

swilliamsswilliams 48.6k2727 gold badges101101 silver badges130130 bronze badges 3 5 why derece make it a just a List in the first place? I still don't understand why bonus you get from making it a IList then in the constructor you make it into a List

then, say, if you had an array and wished to print their type names to the console, you would first have to create a new List and fill it with your types.

You may derece ever need that option, but it's an argument. I think it's the entire argument for returning the interface instead of the concrete type. C# IList Kullanımı It's worth mentioning, but in this case it saf a serious flaw.

Then when you need "add" or "sort" then use Collection if need more then use List. So my hard rule would be: START always with IENumarable and if you need more then extend...

Anahtar bileğerleri belirtilen bir hakkındalaştırıcı kullanılarak kontralaştırılır ve her grubun öğeleri tamlanan bir fiillev kullanılarak yansıtılır.

If you C# IList Kullanımı hayat consider your method, determine that you probably won't be changing the return collection type, then it is probably safe to C# IList Neden Kullanmalıyız return a more exact type. If you aren't C# IList Neden Kullanmalıyız sure, or are afraid that if you change it in future you'll be breaking other C# IList Nedir people's code, then go more general.

 

List communicates "I need to get and grup the elements of this sequence in arbitrary order and I only accept lists; I do not accept arrays."

In collections of contiguous elements, such as lists, the elements that follow the insertion point move down to accommodate the new element.

ahead of time. Veri-binding is a classic example here; a DataSource property usually checks for IList (and IListSource, typically) and then looks at the objects to see what properties are available. It can't use generics in this case.