5 Basit Teknikleri için C# IList Kullanımı

5 Basit Teknikleri için C# IList Kullanımı

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We needed the list indexer infrequently, so the inefficiency was hamiş a mesele. If it had been, we could have provided some other implementation of IList, perhaps kakım a collection of small-enough arrays, that would have been more efficiently indexable while also avoiding large objects.

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I think that, ideally, the .NET 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 derece too hard to create a couple of methods that will allow you to sort an IList birli you would a List.

A List object allows you to create a list, add things to it, remove it, update it, index into it and etc. List is used whenever you just want a generic list where you specify object type in it and that's it.

The accepted answer by @DavidMills is quite good, but I think it yaşama be improved upon. For one, there is no need to define the ComparisonComparer class when the framework already includes a static method Comparer.Create(Comparison). This method yaşama be used to create an IComparison on the fly.

The speed difference is sufficiently great that in many cases it may be faster to copy a list to an array, sort the array, and copy C# IList Nedir the list back, than to try to have a sort routine process the list in place.

use LINQ to perform the conversion of your existing List when you return it - but it would be better to just create a more appropriate type to start with, as shown above.

Matthew WatsonMatthew Watson 108k1111 gold badges170170 silver badges290290 bronze badges 2 2 This is trivially true for every interface. If you want to follow through with your argument, than you could argue to never use any interface at all, because some implementation of it might throw.

For collections you should aim to use IEnumerable where possible. This gives the most flexibility but is not always suited.

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I know that IList is the interface and List C# IList Kullanımı is the concrete type but I still don't know when to use each one. What I'm doing now is if I don't need the Sort or FindAll methods I use the interface. Am I right? Is there a better way to decide when to use the interface or the concrete type?

Coming soon: Throughout 2024 we will C# IList Nasıl Kullanılır be phasing out GitHub Issues kakım C# IList Kullanımı the feedback mechanism for content and replacing it with a new feedback system. For more information see: .

for your return types. This gives your callers the most flexibility in passing in types to your methods and the most opportunities to cast/reuse the return values.

There is a complication though that dynamic C# IList Nasıl Kullanılır emanet't see explicit implementations, so something yaşama implement IList and IList-of-T and yet still be completely unusable from dynamic.