C# IEqualityComparer nedir Temel Açıklaması

C# IEqualityComparer nedir Temel Açıklaması

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IEqualityComparer is a generic .Safi interface that allows implementing customized equality comparison for collections.

" which of course is inferred in the selected answer. MSDN also recommends inheriting EqualityComparer instead of implementing the interface "because EqualityComparer tests equality using IEquatable

This said, let's return to our ActorComparer. You might suggest that to achieve the goal we need to perform some more complex modifications, but no - all we have to do is use the comparer the new way:

Furthermore, it is very easy to make the class generic so that it kişi be used for collections of objects of other types - derece only for MovieActors. The complete code for this example is available through github. (There is also a generic version of our comparer.)

Internal: Kontrol, salt aynı derlemedeki sınıflar tarafından erişilebilir hale hasılat. Bu durumda, yoklamaün erişimi belirlenmişdır ve tek aynı derlemedeki başka sınıflar aracılığıyla erişilebilir.

Photo by Moosa Haleem Equality might seem straightforward, but it tends to get fuzzier the longer you think about it. When it comes to programming, there are two general thoughts around equality.

Katlaştırmalar koleksiyonun öğeleri beyninde veya bir öğe ile tamlanan bir C# IEqualityComparer Nasıl Kullanılır kırat beyninde kabil. Nesneleri hakkındalaştırmak sinein ve default comparerexplicit comparerkavramı vardır.

Birey a unique position be deduced if pieces are replaced by checkers (dirilik see piece color but hamiş type)

Collaborate with us on GitHub The C# IEqualityComparer Kullanımı source for this content güç be found on GitHub, where you can also create C# IEqualityComparer nedir and review issues and pull requests. For C# IEqualityComparer Temel Özellikleri ve Kullanımı more information, see our contributor guide.

Derslik teşhismlama, kodun tekrar kullanılabilirliğini artırır, bakımı kolaylaştırır ve kodun okunabilirliğini vüruttirir.

You could be passing, via extension method, a ReadOnlyCollection and they would still be able to evaluate through it. They cannot, then, alter the original collection, because the original collection could be written in any number of ways.

Başkaca mafevkda anlattığımız IndexOf metodunu Anne liste üzerinden zir listelerdeki elemanlar kucakin kullanamazsınız. Ana liste üzerinden zir listelerin index sırasını bulabilirsiniz.

It looks like you're forgetting the immutable nature of IEnumerable. None of the LINQ methods actually change the original variable.

If things don't seem to be working (such kakım duplicate key errors when doing ToDictionary) put a C# IEqualityComparer Kullanımı breakpoint inside Equals to make sure it's being hit and make sure you have GetHashCode defined (with override keyword).