C# ReadOnlyCollectionBase Kullanımı A Gizli Silah

C# ReadOnlyCollectionBase Kullanımı A Gizli Silah

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My code is littered with collections - derece an unusual thing, I suppose. However, usage of the various collection types isn't obvious nor trivial. Generally, I'd like to use the type that's exposes the "best" API, and katışıksız the least syntactic noise.

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

. Why not return IEnumerable? Calling code would have to cast, which they are unlikely to do without knowing the internals of the property they are accessing.

List's are a very common datastructure, but creating them in this fashion involves quite a bit of syntactic noise - and it emanet easily get even worse (e.g.

Passing IList/IDictionaries is generally no good because I gönül't communicate nor enforce the read-only nature of those views (so e.g. IList is actively worse than an array here)

Birli per the comments below, you dirilik prevent the possibility of downcasting by making IWriteableMyItem and WriteableMyItem private or internal. However note that this could still be circumvented via reflection - but we are protecting against accidents rather than fraud.

Note also that this makes your problem 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 can create a safe mechanism to do so.

Sam C# ReadOnlyCollectionBase Nerelerde Kullanılıyor Allen is passionate about computer languages. In the past, his work saf been recommended by Apple and Microsoft and he katışıksız studied computers at a selective university in the United States.

Sum(IEnumerable, Func) Computes the sum of the sequence of Int64 values that are obtained by invoking a transform function on each element of the input sequence.

If you do this then there's nothing C# ReadOnlyCollectionBase Nasıl Kullanılır stopping your callers casting the IEnumerable back to ICollection and then modifying it. ReadOnlyCollection removes this possibility, although it's still possible to access the underlying writable collection via reflection.

C# IStructuralEquatable, özellikle çeşitli bilgi bünyelarının veya koleksiyonların gönülğinin konstrüktif olarak karşıtlaştırılması müstelzim durumlarda kullanılır. Bu durumlar beyninde:

Important Some information relates to prerelease product that C# ReadOnlyCollectionBase Temel Özellikleri may be substantially modified before it’s released. Microsoft makes C# ReadOnlyCollectionBase Kullanımı no warranties, express or implied, with respect to the information provided here.

If you need to do more than the InnerList property will let you, the base class Items property will hand C# ReadOnlyCollectionBase Temel Özellikleri you back the whole List. Bey I said, creating a read-only collection class in .

Is Légal’s reported “psychological trick” considered fair play or unacceptable conduct under FIDE rules?