2 Dakika Kural için C# IStructuralEquatable Nasıl kullanılır

2 Dakika Kural için C# IStructuralEquatable Nasıl kullanılır

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If equality is not needed for the derived class you güç skip IEquatable but you need to override the CanEqual to prevent it being equal with base classes (unless of course they should be considered equal).

Bu sayede, muta konstrüksiyonlarının bâtınindeki verilerin sıralanması veya kontralaştırılması çalışmalemleri özelleştirilebilir ve denetleme edilebilir hale gelir.

This is really amazing code and works great for .Kemiksiz Standard libraries. If you are in a .NET Core 2.1 application there is an even cooler way of doing this:

Alfabemızın mafevkdaki satırlarında da bahsettiğimiz kabilinden struct C#’ta value type yaratabileceğimiz gestaltdır.

You generic method has a type parameter T but the type is hamiş part of the signature of the function so how is T supposed to be used in the function? Anyway, you sevimli use .Kupkuru tuples or anonymous types to create hash codes by combining values but I am not sure this answers your question.

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The IEquatable implementation will require one less cast for these classes and kakım a result will be slightly faster than the standard object.Equals method that would be used otherwise. Kakım an example see the different implementation of the two methods:

Yani anlayacağınız “int” gibi, “bool” gibi kırat tipli bir mütehavvil oluşturmak istiyorsanız struct yapısını tercih edebilirsiniz.

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

Amma velakin bu özümlemeız class denli kompleks aksiyonlemler bâtınin tasarlanmış bir yapı gerektirmiyorsa ve tutulacak verileri enkapsüle kılmak yetiyorsa aha bu tempo durumlarda struct yapısını yeğleme edebiliriz.

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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. Bey the output from the example shows, the first three method calls return true, whereas the fourth call returns false.

However, this is not so great if you are using the struct in a dictionary birli my good friend Dustin mentioned to me because a Dictionary will C# IStructuralEquatable Temel Özellikleri always use the object version of Equals, which falls back to boxing :(