Benim C# IList Neden Kullanmalıyız Başlarken Çalışmak
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You cannot predict the future. Assuming that a property's type will always be beneficial kakım a List is immediately limiting your ability to adapt to unforeseen expectations of your code.
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So I came across an interesting sıkıntı today. We have a WCF web service that returns an IList. Derece really a big deal until I wanted to sort it.
Eric LippertEric Lippert 656k182182 gold badges1.3k1.3k silver badges2.1k2.1k bronze badges 14 12 How do you know what the caller needs though. For instance I was switching one of my return types to a IList then I well I am probably just going to enumerate over them anyways lets just return an IEnumberable.
The accepted answer by @DavidMills is quite good, but I think it emanet 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 gönül be used to create an IComparison on the fly.
This level of abstraction goes the other direction when it C# IList Nasıl Kullanılır belongs to method parameters. When you pass your list to a method that accepts IEnumerable you yaşama be sure that your list is derece going to be modified. When you are the C# IList Neden Kullanmalıyız person implementing the method and you say you accept an IEnumerable because all you need to do is iterate through that list.
C# IList Neden Kullanmalıyız If the collection is indexed, the indexes of the elements that are moved are also updated. This behavior does not apply to collections where elements are conceptually grouped into buckets, such as a hash table.
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If you dirilik consider your method, determine that you probably won't be changing the return collection type, then it is probably safe to return a more exact type. If you aren't sure, or are afraid that if you change it in future you'll be breaking other people's code, then go more general.
Bir ahir elementin varlığını sınayan MoveNext ve muteber elementi veren GetCurrent C# IList Nerelerde Kullanılıyor metodlarına sahiptir.
Done Depolama: Uygulamalarda gelgeç verileri veya el işi sırasında oluşan verileri depolamak ciğerin kullanılabilir.
If you use the concrete type all callers need to be updated. If exposed as IList the caller doesn't have to be changed.
There is a complication though that dynamic hayat't see explicit implementations, so something can implement IList and C# IList Nasıl Kullanılır IList-of-T and yet still be completely unusable from dynamic.