Temel İlkeleri C# IStructuralEquatable nerelerde kullanılıyor

Temel İlkeleri C# IStructuralEquatable nerelerde kullanılıyor

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Keep in mind that for this interface to work correctly, the types within the collection or structure must also implement IStructuralEquatable or provide their own structural equality logic.

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If you want to implement IEquatable in a class hierarchy you güç use the following pattern. It prevents derived (including sibling) classes from being equal.

Does anyone know what happens if you do derece implement iequtalable when using generic collections? 2

I'm amazed that the most important reason is not mentioned here. IEquatable was introduced mainly for structs for two reasons:

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

We can also make our own container play well with these other containers by implementing these interfaces.

Reading through the excellent blog post by Sergey on struct equality performance he mentions that the default implementations are pretty slow and using boxing for each member. Additionally, he mentions that a memory comparison may hamiş give you the correct results in this super simple example:

Task oluşturmanın ustalıklemci üzerinde maliyeti vardır ve çok kesik devam eden emeklemler bâtınin bir task tevlit etmek genel anlamda elan yavaş çkırmızıışan uygulamalara vesile olabilir.

Amma velakin bu yapımız class derece kompleks çalışmalemler kucakin tasarlanmış bir yapı gerektirmiyorsa ve tutulacak verileri enkapsüle eylemek yetiyorsa aha bu tarz durumlarda struct yapkaloriı tercih edebiliriz.

Will feeblemind affect the original creature's body when it was cast on it while it C# IStructuralEquatable Kullanımı was polymorphed and reverted to its original form afterwards?

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

Specifically, I do not know the exact type of the object. The only assumption I make is that it inherit from IStructuralEquatable.