C# IList Nedir Seçenekler

C# IList Nedir Seçenekler

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The above is an IList itself kakım this is what seems to be the standard to use with nhibernate. Otherwise I might have returned IEnumberable back but derece sure. Still, I hayat't figure out what the user would 100% need(that's where returning a concrete has an advantage over).

Arec BarrwinArec Barrwin 61.8k99 gold badges3030 silver badges2525 bronze badges 14 71 I have to disagree with your sardonic answer. I don't totally disagree with the sentiment of over-architecture being a real sorun. However I think that especially in the case of collections that interfaces really shine.

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

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Your code is now broken, because int[] implements IList, but is of fixed size. The contract for ICollection (the base of IList) requires the code that uses it to check the IsReadOnly flag before attempting to add or remove items from the collection. The contract for List does not.

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 can use the Interface to give you C# IList Kullanımı basic methods and structure to your new class. IList is for when you want to create your own, special sub-class that implements List.

I thought I'd never need to change from a List but had to later change to use a custom list library for the extra functionality it provided. Because I'd only returned an IList none C# IList Neden Kullanmalıyız of the people that used the library had to change their code.

Now I am returning IList for the simple fact that I will then add this to my domain manken what özgü a property like this:

If the parameter type is IList, then the caller has much more freedom, and kişi use classes you never heard about, which may not even have existed when your code C# IList Nedir was written.

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By asking for more than you need, C# IList Kullanımı you (1) make the caller do unnecessary work to satisfy your unnecessary demands, and (2) communicate falsehoods to the reader. Ask only for what you're going to use. That way if the caller katışıksız a sequence, they don't C# IList Kullanımı need to call ToList on it to satisfy your demand.

Benefit of using an Interface is that you get to implement your functionality or better yet, the only functionality you require. So, if iteration/enumeration is required only, then there is no need for the Sort, Add methods.

And, if you used a generic implementation, you would only be able to use a method that works for any object only with objects of a specific type.

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