Düşünceler Hakkında Bilmek C# IStructuralEquatable Temel Özellikleri

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If equality is derece needed for the derived class you can skip IEquatable but you need to override the CanEqual to prevent it being equal with base classes (unless of course they should be considered equal).

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 .

. The best example of this is arrays, which with .Kemiksiz 4 now implement the IStructuralEquatable interface. This makes it possible to distinguish whether you are comparing two arrays for reference equality, or for "structural equality" - whether they have the same number of items with the same values in each position. Here's an example:

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

I'm amazed that the most important reason is derece mentioned here. IEquatable was introduced mainly for structs for two reasons:

The following example defines a NanComparer class that implements the IStructuralEquatable interface. It compares two Double or two Single values by using the equality operator. It passes values of any other type to the default equality comparer.

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When an implementer overrides the virtual Equals method in a struct, the purpose is to provide a more efficient means of performing the value equality check and optionally to base the comparison on some subset of the struct's field or properties.

comparer IEqualityComparer İki nesnenin müsavi olup olmadığını değerlendirmek sinein kullanılacak yöntemi tanımlayan nesne.

Bir önceki fiillemin aynısını AsOrdered extensionı ile binaldığında prosedür gine paralel olarak bünyelır, fakat özlar sıralı olabilir.

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Are the bonuses for infernal war machine weapon stations static, or are they affected by their user?

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