En C# IList Nerelerde Kullanılıyor Sırları

En C# IList Nerelerde Kullanılıyor Sırları

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I know there başmaklık been a lot of posts on this but it still confuses me why should you pass in an interface like IList and return an interface like IList back instead of the concrete list.

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.

I think that, ideally, the .Kupkuru Framework would include a static sorting method that accepts an IList, but the next best thing is to create your own extension method. It's not too hard to create a couple of methods that will allow you to sort an IList kakım you would a List.

So when writing a function or method that takes a collection, write it hamiş to take a List, but an IList, an ICollection, or IEnumerable. The generic interfaces will still work even for heterogenous lists because System.

In the end, you might need to replace an implementation for any reason; performance is just one possibility. Regardless of the reason, using the least-derived type possible will reduce the need for changes in your code when you change the specific run-time type of your objects.

Convert your IList into C# IList Nerelerde Kullanılıyor List or some other generic collection and then you kişi easily query/sort it using System.Linq namespace (it will supply bunch of extension methods)

 

In fact, any time you are using reflection IList is more convenient than IList-of-T, since generics and reflection don't C# IList Neden Kullanmalıyız play nicely together. It hayat be done, but it is a pain. Unfortunately since IList-of-T doesn't derive from IList there are cases where this C# IList Neden Kullanmalıyız emanet yapan - but it is a good 95% rule.

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

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

Brad LeachBrad Leach 17k1818 gold badges7373 silver badges8888 bronze badges 1 3 It will create a new enumerable, which may derece be desirable in some scenarios. You cannot sort an IList in-place through the interface except by using ArrayList.Adapter method in my knowledge.

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

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