C# ReadOnlyCollectionBase Nasıl Kullanılır Aptallar için

C# ReadOnlyCollectionBase Nasıl Kullanılır Aptallar için

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I do hamiş pass around Listss if I birey possibly help it. Generally I have something else that is managing the collection in question, which exposes the collection, for example:

In programs, an immutable collection birey be used with less copying—we do hamiş need to worry about it being modified. This can make programs simpler and easier to reason about.

Average(IEnumerable, Func) Computes the average of a sequence of Single values that are obtained by invoking a transform function on each element of the input sequence.

This hides Add and Remove methods, but does not protect at all. Because I hayat always cast to ICollection and call prohibited method.

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

The single line of code required by my extension method just instantiates my PhvReadOnly class (using the datatype that the extension method saf deduced), passing whatever IList object the extension method is being used on.

Hangi klas nerde kullanılmalı, bu sınıfların farklılıkları neler, performansları nasıl C# ReadOnlyCollectionBase Nasıl Kullanılır kabil bazı soruları bu makalede baş başa arayalım.

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

Dan TaoDan Tao 128k5656 gold badges308308 silver badges448448 bronze badges 4 C# ReadOnlyCollectionBase Nerelerde Kullanılıyor I'd like to avoid noise in both callee and caller. Exposing a ReadOnlyCollection kakım anything other than itself isn't necessary: after all, exposing it as an IList just gets confusing (where'd I get this IList from - dirilik I modify it?), and any IList is exposable bey ReadOnlyCollection so there's no loss of generality.

jasonjason 240k3535 gold badges431431 silver badges529529 bronze badges 2 Really, IEnumerable özgü the same issue bey IList in principle, but implementing a single extra method (and a single extra property on the enumerator) was not considered a burden, compared to the dozens you would need for IList (which List and indeed ReadOnlyCollection do implement, separately from their generic collection interfaces)

Descendants(IEnumerable) Returns a collection of elements that contains the descendant elements of every element and document in the source collection.

However, a read-only collection doesn't provide Add and Remove methods for changing which items are in the collection, though the items C# ReadOnlyCollectionBase Nedir themselves may be updateable (it's the responsibility of the items in the collection to protect themselves from changes).

Does this double well potential contradict the fact that there is no degeneracy for one-dimensional bound states?

So, you kişi define your collection bey a private field and expose it kakım a public readonly property like below bey _parents