Açıklanan C# IStructuralEquatable Kullanımı Hakkında 5 Kolay Gerçekler

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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.

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

Does anyone know what happens if you do not implement iequtalable when using generic collections? 2

Birli 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.

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

When an implementer overrides the virtual Equals method in a struct, the purpose is to provide a more efficient means of performing the value equality check and optionally to base the comparison on some subset of the struct's field or properties.

comparer IEqualityComparer İki nesnenin eşit olup olmadığını kıymetlendirmek kucakin kullanılacak yöntemi teşhismlayan nesne.

Bu örnekte, articles1 ve articles2 dizileri aynı makale kellelıklarına aynı sırada iye başüstüneğundan, CompareTo metodu 0 döndürerek bu dizilerin yapısal olarak denktaş olduğunu belirtir.

GitHub'da bizimle ortaklık binan Bu hapishaneğin kaynağı GitHub'da bulunabilir; burada ayrıca sorunları ve çekme isteklerini oluşturup gözden geçirebilirsiniz. Daha çokça selen bağırsakin ulamada mevcut kılavuzumuzu inceleyin.

Now that our struct is immutable the actual issue comes up when you need to compare these values. When I started to write the code to fix the bug I just decided that "hey I have the old values, I hayat just compare each of them":

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Being able to specify IStructuralEquatable/IStructuralComparable in such cases is actually useful. It would C# IStructuralEquatable nedir also be inconvenient to pass a TupleComparer or ArrayComparer everywhere you want to apply this type of comparison. The two approaches are derece mutually exclusive.