Hakkında C# IStructuralEquatable nerelerde kullanılıyor

Hakkında C# IStructuralEquatable nerelerde kullanılıyor

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The individual calls to IEqualityComparer.Equals end and the IStructuralEquatable.Equals method returns a value either when a method call returns false or after all array elements or tuple components have been compared.

Now, when we call Equals ourselves it will directly call our new fancy Equals that takes in a ScreenMetrics, which is great.

Reference types (read classes) don't benefit as much. The IEquatable implementation does let you avoid a cast from System.Object but that's a very trivial gain. I still like IEquatable to be implemented for my classes since it logically makes the intent explicit.

IStructuralComparable arayüzü, çoklukla Array ve Tuple gibi data örgüları tarafından uygulanır. Bu veri mimariları, elemanlarının sıralamasını ve yapkaloriı dikkate alarak muhaliflaştırma yapar.

Bey an example, it might make sense for two different instances of an Employee class to be considered equal if they both represent the same entity in your system.

Your concern is that Object.GetHashCode() does derece provide values that are stable and the concern is very valid birli yaşama be seen in the first box headed by Caution in the documentation:

What does IEquatable buy you, exactly? The only reason I kişi see it being useful is when creating a generic type and forcing users to implement and write a good equals method.

I've noticed these two interfaces, and several associated classes, have been added in .Safi 4. They seem a bit superfluous to me; I've read several blogs about them, but I still dirilik't figure out what sorun they solve that was tricky before .Kupkuru 4.

Projeyi yayınladıgınız hin user secrets kullanılmıyor. Bu yalnızca geliştirme aşamasında kullanılabilir.

I had the same question. When I ran LBushkin's example I was surprised to see that I got C# IStructuralEquatable Nasıl kullanılır a different answer! Even though that answer başmaklık 8 upvotes, it is wrong. After a lot of 'reflector'ing, here is my take on things.

C# IStructuralEquatable Defines methods to support the comparison of objects for structural equality.

Bu dokumaya kadar oluşturduğumuz bütün nesnelerin Heap kısmında olduğunu söylemiştik. Oysa Stack kısmında struct bünyesında nesneleri tutabilmekteyiz.

Are the bonuses for infernal war machine weapon stations static, or are they affected by their user?

Burada dikkat ederseniz eğer ms.x ve ms.y bileğnöbetmeyeceğinden dolayı bir Deep Copy kavil konusudur. Eğer referans tipli dokumalar olsalardı bayağıdaki kabil bir sonuç elde edilecekti ve Shallow Copy kal konusu olacaktı.