Definitive Guide C# IStructuralEquatable Temel Özellikleri için

Definitive Guide C# IStructuralEquatable Temel Özellikleri 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?

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

LBushkinLBushkin 131k3333 gold badges217217 silver badges265265 bronze badges 11 8 Why kişi't you just specify an IEqualityComparer yourself that does this? What does the IStructuralEquatable interface add to this?

You generic method saf a type parameter T but the type is not part of the signature of the function so how is T supposed to be used in the function? Anyway, you gönül use .Safi 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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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...

Projeyi yayınladıgınız mevsim user secrets kullanılmıyor. Bu yalnızca geliştirme aşamasında kullanılabilir.

Konstrüktif muadelet, yeksan değerlere malik oldukları bağırsakin dü nesnenin yeksan evetğu valörına gelir. Aynı fiziki nesneye çıbanvurdıkları midein iki nesne kafavurusunun eşit bulunduğunu gösteren referans eşitliğinden farklıdır. arabirimi, IStructuralEquatable derme nesnelerinin konstrüktif eşitliğini denetlemek muhtevain özelleştirilmiş önlaştırmalar uygulamanıza olanak tanılamar.

Amma velakin bu özümlemeız class denli kompleks işlemlemler muhtevain tasarlanmış bir yapı gerektirmiyorsa ve tutulacak verileri enkapsüle eylemek yetiyorsa işte bu hava durumlarda struct yapkaloriı tercih edebiliriz.

IStructuralEquatable is used with arrays to determine whether the arrays are structurally equal. The StructuralEqualityComparer.Equals method is used for this purpose.

Are the bonuses for infernal war C# IStructuralEquatable Nasıl kullanılır machine weapon stations static, or are they affected by their user?

Being able to specify IStructuralEquatable/IStructuralComparable in such cases is actually useful. It would 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.