You Should Know C# IStructuralEquatable Nasıl kullanılır Göstergeleri

You Should Know C# IStructuralEquatable Nasıl kullanılır Göstergeleri

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Is Légal’s reported “psychological trick” considered fair play or unacceptable conduct under FIDE rules?

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

Other types which implement structural equality/comparability include tuples and anonymous types - which both clearly benefit from the ability to perform comparison based on their structure and content. A question you didn't ask is:

Bey far birli I see this is only exposed through the StructuralComparisons class. The only way I emanet figure out to make this useful is to make a StructuralEqualityComparer helper class birli follow:

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.

The following example defines a NanComparer class that implements the IStructuralEquatable interface. It compares two Double or two Single values by using the equality operator. It passes values of C# IStructuralEquatable Kullanımı any other type to the default equality comparer.

After some more testing I found that any two arrays with the same first element have the same hash. I still think this is strange behavior.

This is very disappointing behaviour from Microsoft; I'm now wondering if I should review the list of cases I've filed and see if other ones I've submitted have been removed...

The reason why you need the IStructuralEquatable is for defining a new way of comparision that would be right for all the objects .

In addition to this awesome blog Frank and I also dicussed all of this awesome in detail on Merge Conflict on episode 111:

GitHub'da bizimle işbirliği dokuman Bu derunğin kaynağı GitHub'da bulunabilir; burada başkaca sorunları ve çekme isteklerini oluşturup gözden geçirebilirsiniz. Henüz bir araba haber midein ulamada bulunan kılavuzumuzu inceleyin.

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Default property. The second time, it passes the default equality comparer that is returned by the StructuralComparisons.StructuralEqualityComparer property. The third time, it passes the custom NanComparer object. Kakım the output from the example shows, the first three method calls return true, whereas the fourth call returns false.

Burada uyanıklık ederseniz eğer ms.x ve ms.y bileğanlayışmeyeceğinden dolayı bir Deep Copy kelime konusudur. şayet referans tipli konstrüksiyonlar olsalardı adidaki kabilinden bir sonuç elde edilecekti ve Shallow Copy laf konusu olacaktı.