Bu iş izlenceın henüz yavaş çkızılışmasına ve tipin objeye dönüşmesinden dolayı bellekte daha şu denli taraf tutmasına amil evet. Nedeniyle ne kadar azca boxing eşittir o kadar mahsuldar izlence.
In programs, an immutable collection gönül be used with less copying—we do not need to worry about it being modified. This kişi make programs simpler and easier to reason about.
. Why derece return IEnumerable? Calling code would have to cast, which they are unlikely to do without knowing the internals of the property they are accessing.
Note that I split the interface into IReadOnlyMyItem and IWritableMyItem but you don't actually need IWritableMyItem - you could just omit that interface and write:
The main advantage of this comes in the fact that you sevimli't add code to collections so whenever you have a native "collection" in your object örnek, you ALWAYS have non-OO support code spread throughout your project to access it.
Kakım I see it IEnumerable is a subset of the interface of ReadOnlyCollection and it does hamiş allow the user to modify C# ReadOnlyCollectionBase Kullanımı the collection. So if the IEnumberable interface is enough then that is the one to C# ReadOnlyCollectionBase Kullanımı use. Is that a proper way of reasoning about it or am I missing something?
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ElementAtOrDefault(IEnumerable, Index) Returns the element at a specified index in a sequence or a default value if the index is out of range.
Public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are derece guaranteed to be thread safe.
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Putting that all together, a class that exposes a read-only collection needs three things: A property of type PhvReadOnlyList
Nodes(IEnumerable) Returns a collection of the child nodes of every document and element in the source collection.
You kişi loop over the ReadOnlyCollection using the foreach-loop. A for-loop is C# ReadOnlyCollectionBase Nasıl Kullanılır also possible with the Count property and indexer. CopyTo provides a way to copy the elements to an array. You must allocate the array yourself.
The IReadOnlyCollection interface extends the IEnumerable interface and represents a basic read-only collection interface. It also includes a Count property apart from the IEnumerable members as shown C# ReadOnlyCollectionBase Nedir in the code snippet given below.