Detaylar, Kurgu ve C# ReadOnlyCollectionBase Nedir

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I agree. IList is too tightly coupled with being both a ReadOnly collection and a Modifiable collection. IList should have inherited from an IReadOnlyList.

Marc GravellMarc Gravell 1.0m271271 gold badges2.6k2.6k silver badges2.9k2.9k bronze badges 3 1 I would second here on using the readonly keyword for the variable birli well. Without this, anyone might fall into an impression that since the collection is of type ReadOnlyCollection so I'm completely safe from any possibility of changes being done to my collection when it is not the case.

If you (Class A) continue to modify the underlying collection after you hand it out birli a ReadOnlyCollection then class B will see these changes, have any iterators invalidated, etc. and generally be open to any of the usual concurrency issues with collections.

The main advantage of this comes in the fact that you gönül't add code to collections so whenever you have a native "collection" in your object mostra, you ALWAYS have non-OO support code spread throughout your project to access it.

Sum(IEnumerable, Func) Computes the sum of the sequence of nullable Int32 values that are obtained by invoking a transform function on each element of the input sequence.

Note also that this makes your sorun particularly nice. If you don't want people changing the collections, your container need contain no mutators. If you decide later that in just one case you actually HAVE to modify it, you güç create a safe mechanism to do so.

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However, it should be noted that while these read-only collection types provide a read-only view of the veri, they are only wrappers. They do hamiş C# ReadOnlyCollectionBase Nedir provide an immutable copy of the collection.

Key bileğerine göre de bir indeksleyici barındırır. Bu arayüzlü koleksiyonların seçilme sebebi indeks değerlerinin çakılı kalma isteğidir. Bir data silindiğinde arkasındaki verilerin indeks değerleri sabit kalır.

ICollection is C# ReadOnlyCollectionBase Nasıl Kullanılır such abstraction and you could say that ICollection does derece have an exact corresponding peer in the generic world; IEnumerable is the closest.

Average(IEnumerable, Func) Computes the C# ReadOnlyCollectionBase Nerelerde Kullanılıyor average of a sequence of nullable Int64 values that are obtained by invoking a transform function on each element of the input sequence.

I was looking for a similar solution, but I wanted to still be able to modify the collection from inside the class so I chose the option outlined C# ReadOnlyCollectionBase Nerelerde Kullanılıyor here: In short, his example is: public class MyClass

(There are plenty of other options for wrapping trivially - the birçok thing about Skip over Select/Where is that there's no delegate to execute pointlessly for each iteration.)