C# ReadOnlyCollectionBase Nerelerde Kullanılıyor Herkes İçin Eğlenceli Olabilir

C# ReadOnlyCollectionBase Nerelerde Kullanılıyor Herkes İçin Eğlenceli Olabilir

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In EF Core, you can encapsulate collections and achieve true domain modeling by using backing fields.

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

If your veri hayat be enumerated, you birey use Enumerable.ToList method to cast your collection to List and call AsReadOnly on it.

Well, there is a way. It ain't pretty kakım it adds extra stuff on your domain sistem, but I just checked and it works.

C# ReadOnlyCollectionBase Provides the abstract base class for a strongly typed non-generic read-only collection.

Bu harf, kuyruğun başındaki elemanı basEleman değdavranışkenine atar fakat kuyruğun yapısını değişçiliktirmez.

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.

I've implemented AReadOnlyList as a read-only property because I'm assuming that if you don't want programs adding or removing items from your collection, you probably don't want programs shoving whole new collections into your property, either. Simplifying Code with Extension Methods

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

This yaşama be a problem when your class başmaklık some invariants C# ReadOnlyCollectionBase Kullanımı (guarantees about what it does and the data it holds) as it cannot make guaranteed if other classes dirilik change its internals willy nilly.

Bu örgünın faydası diziye istediğimiz türden bir nesne atabilme imkanımızdır. Her ne kadar başlangıçlangıç değeri, belleği fazladan kullansada boxing sorunlemi konstrüksiyonlmadığından bu kadir biraz azalır. Array sınıfı IList arayüzünden türesede Add, Remove, Sort kabil temel metodlara iye değildir. Hassaten IndexOf, FindIndex kadar indeksleme metodlarını da tasarrufımıza sunmaz. Bu yüzden esnek bir strüktürya mevla bileğildir. Array klası matris yapısında kullanılan yegane sınıftır.

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

Chances are, you'll never notice this difference, but if this is a hot-ışıntı in your code and requires every last bit of performance you birey squeeze out of it, why hamiş use an Array instead? That would be faster still.