5 Temel Unsurları için C# ReadOnlyCollectionBase Kullanımı

5 Temel Unsurları için C# ReadOnlyCollectionBase Kullanımı

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

SingleOrDefault(IEnumerable, TSource) Returns the only element of a sequence, or a specified default value if the sequence is empty; this method throws an exception if there is more than one element in the sequence.

I avoid using ReadOnlyCollection bey much bey possible, it is actually considerably slower than just using a normal List.

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

A collection that is read-only is simply a collection with a wrapper that prevents modifying the collection; therefore, if changes are made to the underlying collection, the read-only collection reflects those changes.

As I see it IEnumerable is a subset of the interface of ReadOnlyCollection and it does not allow the user to modify the collection. So if the IEnumberable interface is enough then that is the one to use. Is that a proper way of reasoning about it or am I missing something?

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 kişi create a safe mechanism to do so.

After hopefully understanding your question, i think you have to distinguish between what you create and manage within your class and what you make available to the outside world.

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

Mafevkdaki adımları izleme ederek, C# dilinde Queue dershaneını güçlü bir şekilde kullanabilirsiniz. Queue dershaneı, bilgi gestaltlarını yönetmek ve iş sıralarını tertip etmek sinein nispeten kullanışlıdır.

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

If the collection is small then a safe and easy way to get around this mesele is to return a copy instead.

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