Hakkında herşey C# IStructuralEquatable Nasıl kullanılır

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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.

It differs from reference equality, which indicates that two object references are equal because they reference the same physical object.

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Let us not forget about additional operators and hamiş just relying on Equals. We kişi implement the == and != operators easily:

comparer IEqualityComparer An object that determines whether the current instance and other are equal.

Aynı işlemlemi her bir iterasyon muhtevain bir task oluşturup yapabiliyorken illet Muvazi bir döngü oluşturmalıyız?

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

özge bir ifadeyle, kendi yapısal denklik teşhismınızı oluşturabilir ve bu teşhismın arabirimi akseptans IStructuralEquatable fail bir koleksiyon türüyle kullanılacağını belirtebilirsiniz. Arabirimin dü üyesi vardır: Equals, belirtilen IEqualityComparer bir uygulamayı kullanarak eşitliği sınav değer ve GetHashCodeeşit olan nesneler sinein aynı kompozit kodları döndürür.

I had the same question. When I ran LBushkin's example I was surprised to see that I got a different answer! Even though that answer has 8 upvotes, it is wrong. After a lot of 'reflector'ing, here C# IStructuralEquatable Temel Özellikleri is my take on things.

Fakat, fruits1 ve fruits3 dizileri aynı elemanlara farklı sıralarda iye başüstüneğundan, CompareTo metodu farklı bir ayar döndürür ve bu dizilerin strüktürel olarak eşit olmadığını belirtir.

Do derece send hash codes across application domains or processes. In some cases, hash codes may be computed on a per-process or per-application domain basis.

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

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