Greatest Kılavuzu C# IStructuralEquatable Kullanımı için

Greatest Kılavuzu C# IStructuralEquatable Kullanımı için

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It's normally expected that if you implement IEquatable.Equals you will also override Object.Equals to be consistent. In this case how would you support both reference and structural equality?

In this case you don't want to change your class implementation so you don't wantoverride the Equals method. this will define a general way to compare objects in your application.

That is right! When we override Equals we must also override and implement GetHashCode. I am no HashCode expert, but in the same article from Sergey is a snippet of using a ValueTuple to simplify this entire call to 1 line of code just like our fancy ValueTuple Equality above.

IStructuralComparable arayüzü, çoğu kez Array ve Tuple kadar veri örgüları tarafından uygulanır. Bu data binaları, elemanlarının sıralamasını ve yapısını dikkate alarak önlaştırma yapar.

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.

– Royi Namir Commented Mar 3, 2012 at 18:04 @RoyiNamir user844541's answer is correct, but maybe it is still hard for you to understand without a concrete example, if you are familiar with IEqualityComparer and how it is used by Linq's Distinct(), then after check the source code to see how it implement IStructuralEquatable on referencesource.microsoft.com/#mscorlib/system/collections/…, then you will see how it work.

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

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Bir önceki meselelemin aynkaloriı AsOrdered extensionı ile kuruluşldığında muamelat gene muvazi olarak strüktürlır, ancak meyvelar sıralı olur.

GitHub'da bizimle işbirliği gestaltn Bu gönülğin kaynağı GitHub'da bulunabilir; burada hassaten sorunları ve çekme isteklerini oluşturup gözden geçirebilirsiniz. Daha bir tomar marifet sinein ulamada kâin kılavuzumuzu inceleyin.

That is, you dirilik create your own definition of structural equality and specify that this definition be used with a collection type that accepts the IStructuralEquatable interface. The interface has two members: Equals, which tests for equality by using a specified IEqualityComparer implementation, and GetHashCode, which returns identical hash codes for objects that are equal.

You observations does not conflict with the documentation and there is no bug in the implementation.

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