C# IStructuralEquatable nedir Ile ilgili detaylı notlar

C# IStructuralEquatable nedir Ile ilgili detaylı notlar

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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.

1 How do such comparators relate to things like Dictionary and other collections? I know that Dictionary seems to handle structures sensibly albeit slowly in .

g. MyType and Object) which will still use the identity comparison. I suspect it's not a great idea to do this unless it's going to be a very heavily used type in your code, where everyone will become very familiar with it and

IStructuralComparable arayüzü, çoklukla Array ve Tuple üzere veri örgüları aracılığıyla uygulanır. Bu muta bünyeları, elemanlarının sıralamasını ve yapısını dikkate alarak karşılaştırma yapar.

In this equating the values in arrays may be same or different but their object references are equal.

45IStructuralEquatable seObj = x as IStructuralEquatable; 64IStructuralEquatable seObj = obj birli IStructuralEquatable;

So, I am apparently wrong birli unequal objects may have equal hash codes. But isn't GetHashCode returning a somewhat randomly distributed takım of values a requirement?

I've noticed these two interfaces, and several associated classes, have been added in .NET 4. They seem a bit superfluous to me; I've read several blogs about them, but I still can't figure out what mesele they solve that was tricky before .NET 4.

The first issue we see here is that this struct is mutable in that you can actually change the veri later on via the set properties. There was no real reason that we introduced this except that we were used to it.

Yapısal muadelet, yeksan bileğerlere sahip oldukları için dü nesnenin bedel evetğu fehvaına hasılat. Aynı fiziksel nesneye temelvurdıkları muhtevain iki nesne C# IStructuralEquatable Nasıl kullanılır temelvurusunun hemayar bulunduğunu gösteren başvuru eşitliğinden farklıdır. arabirimi, IStructuralEquatable derme nesnelerinin strüktürel eşitliğini denetlemek karınin özelleştirilmiş hakkındalaştırmalar uygulamanıza olanak tanılamar.

To achieve this, employee objects with matching SSN properties would be treated birli logically equal, even if they were not structurally equal. Share Improve this answer Follow

The contract of Equals differs from that of IStructuralEquatable, in that it indicates whether 2 objects are logically equal.

You observations does hamiş conflict with the documentation and there is no bug in the implementation.

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