5 Basit Teknikleri için C# IStructuralEquatable Kullanımı

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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.

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Reference types (read classes) don't benefit kakım much. The IEquatable implementation does let you avoid a cast from System.Object but that's a very trivial gain. I still like IEquatable to be implemented for my classes since it logically makes the intent explicit.

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

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

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

IStructuralEquatable is quite new and unknown, but I read somewhere that it dirilik be used to compare the contents of collections and arrays. Am I wrong, or is my .Safi wrong?

In my implementation I delegated the task of calculating hash codes to the internal array. While testing it, to my great surprise, I found that my two different arrays had the same structural hash code

Değişik bir ifadeyle, kendi konstrüktif müsavat tanılamamınızı oluşturabilir ve bu tanılamamın arabirimi akseptans IStructuralEquatable fail bir derlem türüyle kullanılacağını belirtebilirsiniz. Arabirimin iki üyesi vardır: Equals, tamlanan IEqualityComparer bir uygulamayı kullanarak eşitliği test paha ve GetHashCodeeşit olan nesneler muhtevain aynı katışık kodları döndürür.

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C# IStructuralEquatable Defines methods to support the C# IStructuralEquatable nedir comparison of objects for structural equality.

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

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The Equals method supports custom structural comparison of array and tuple objects. This method in turn calls the comparer object's IEqualityComparer.Equals method to compare individual array elements or tuple components, starting with the first element or component.