Detaylar, Kurgu ve C# ReadOnlyCollectionBase Nedir

Detaylar, Kurgu ve C# ReadOnlyCollectionBase Nedir

Blog Article

I'm going to start by being perverse and pretending that the ReadOnlyCollectionBase class doesn't exist. If that were true and you wanted to create a read-only collection, you'd create a class that only returned an Enumerator object. A class that just implements IEnumerable is, according to my definitions, a read-only collection class. Generating that GetEnumerator object from your class isn't difficult if you keep your class data in a class that itself implements IEnumerable -- a List, for instance. If you do keep your data in a List, then you emanet use the List GetEnumerator method to retrieve an Enumerator object, which you güç then return to the izlence using your class. Listing 1 katışıksız the basics of this class (I've called it PhvReadOnlyList).

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

GitHub'da bizimle ortaklık örgün Bu derunğin kaynağı GitHub'da bulunabilir; burada üste sorunları ve çekme isteklerini oluşturup gözden geçirebilirsiniz. Elan fazla selen kucakin yardımda mevcut kılavuzumuzu inceleyin.

then sure, no harm will be done if you just return the collection directly. I generally try to be a bit more paranoid than that though.

To work with the code examples provided in this article, you should have Visual Studio 2019 installed in your system. If you don’t already have a copy, you kişi download Visual Studio 2019 here.

Distinct(IEnumerable) Returns distinct elements from a sequence by using the default equality comparer to compare values.

Bu şifre, kuyruğun başındaki elemanı basEleman bileğaksiyonkenine atar fakat kuyruğun yapısını değnöbettirmez.

It depends on how much you trust the calling code. If you're in C# ReadOnlyCollectionBase Nedir complete control over everything that will ever call this member and you guarantee

To guarantee thread safety during enumeration, you güç lock the collection during the entire enumeration. To allow the collection to be accessed by multiple threads for reading and writing, you must implement your own synchronization.

jasonjason 240k3535 gold badges431431 silver badges529529 bronze badges 2 Really, IEnumerable saf the same issue birli IList C# ReadOnlyCollectionBase Kullanımı 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 C# ReadOnlyCollectionBase Kullanımı implement, separately from their generic collection interfaces)

Public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are derece guaranteed to be C# ReadOnlyCollectionBase Nasıl Kullanılır thread safe.

Inheriting from a non-generic base class would be ineffecient. If the type was using a non-generic base, C# ReadOnlyCollectionBase Temel Özellikleri all it would be would be a thin layer above the base collection, where the generic features would simply derive from casting from the underlying object instances of the base collection.

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

Verimlilik: Kuyruk strüktürsı, verilerin sıralı olarak kârlenmesi müstelzim dayanıklı çok senaryoda kullanılır ve bu konum yazılımın performansını artırabilir.