En C# IStructuralEquatable Nasıl kullanılır Sırları

En C# IStructuralEquatable Nasıl kullanılır Sırları

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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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Daniel A.A. PelsmaekerDaniel A.A. Pelsmaeker 49.2k2121 gold badges112112 silver badges160160 bronze badges 5 In addition to answers which point to duplicate hashcodes bey is documented behavior, some reasoning and reflection would also lead you to the same conclusion.

You generic method saf a type parameter T but the type is derece part of the signature of the function so how is T supposed to be used in the function? Anyway, you gönül use .NET tuples or anonymous types to create hash codes by combining values but I am not sure this answers your question.

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

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

The reason why you need the IStructuralEquatable is for defining a new way of comparision that would be right for all the objects .

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Ancak, fruits1 ve fruits3 dizileri aynı elemanlara farklı sıralarda sahip başüstüneğundan, CompareTo metodu farklı bir eder döndürür ve bu dizilerin strüktürel olarak denktaş 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.

Here the comparison is different for value type arrays and custom arrays. In .Net 4.0 int, string will internally implement IEquatable for custom types we have to externally implement the IEquatable.

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