Bu işlem programın henüz yavaş çaldatmaışmasına ve tipin objeye dönüşmesinden dolayı bellekte henüz okkalı mevzi tutmasına saika olur. Nedeniyle ne denli az boxing eşittir o kadar velut izlence.
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-ArrayList: Dizinin benzeridir ama sadece object tipinden verileri saklar. Dolayısıyla da gönderilen bilgi object değilse boxing işlemlemine tabi tutulur.
Descendants(IEnumerable, XName) Returns a filtered collection of elements that contains the descendant elements of every element and document in the source collection. Only elements that have a matching XName are included in the collection.
This base class is provided to make it easier for implementers to create a generic read-only custom collection. Implementers are encouraged to extend this base class instead of creating their own.
C# ReadOnlyCollectionBase Provides the abstract base class for a strongly typed non-generic read-only collection.
A ReadOnlyCollection can support multiple readers concurrently, birli long kakım the collection is not modified. Even so, enumerating through a collection is intrinsically not a thread-safe procedure.
; but this question convinced me to go ahead and announce an open source project I've had in the works for a while (still a work in progress, but there's some useful stuff in there), which includes an IArray interface (and implementations, naturally) that I think captures exactly what you want here: an indexed, read-only, even covariant
Public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.
In Visual Basic, an extension method must be declared inside a Module and decorated with the Extension attribute. Its first parameter specifies the kind of object to which it will attach itself. I want my extension method to appear in the IntelliSense dropdown lists C# ReadOnlyCollectionBase Nerelerde Kullanılıyor for any class that implements the IList interface, so I'll declare the method's first (and only) parameter birli IList(of T) -- the compiler will figure out the type that T represents based on the List passed to my method.
However, the syntax is awkward. Adding an extension method kişi simplify that syntax tremendously. Extension methods have at least three convenient features: The first is that they attach themselves to whatever classes you specify, C# ReadOnlyCollectionBase Nerelerde Kullanılıyor automatically appearing in the IntelliSense dropdown lists for those objects; second, they're automatically passed whatever object they're called from birli their first parameter; third, when an extension C# ReadOnlyCollectionBase Temel Özellikleri method is used with a generic class (for instance, List), the method automatically figures out the veri type of the generic parameter.
SequenceEqual(IEnumerable, IEnumerable) Determines whether two sequences are C# ReadOnlyCollectionBase Temel Özellikleri equal by comparing the elements by using the default equality comparer for their type.
On the other hand, C# ReadOnlyCollectionBase Nedir let's say you have a ReadOnlyCollection(StringBuilder). This is kind of a strange thing to have, but it is acceptable. You dirilik still change the individual StringBuilder objects by accessing their methods.
Sum(IEnumerable, Func) Computes the sum of the sequence of nullable Decimal values that are obtained by invoking a transform function on each element of the input sequence.