Değil Hakkında Detaylar bilinen C# IStructuralEquatable Kullanımı
Değil Hakkında Detaylar bilinen C# IStructuralEquatable Kullanımı
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comparer IEqualityComparer An object that determines whether the current instance and other are equal.
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g. MyType and Object) which will still use the identity comparison. I suspect it's hamiş 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
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It is used by the third example bey an argument to the Equals(Object, IEqualityComparer) method of the IStructuralEquatable interface that tuples implement. 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.
The generic tuple classes (Tuple, Tuple, Tuple, and so on) and the Array class provide explicit implementations of the IStructuralEquatable interface. By casting (in C#) or converting (in Visual Basic) the current instance of an array or tuple to an IStructuralEquatable interface value and providing your IEqualityComparer implementation birli an argument to the Equals method, you sevimli define a custom equality comparison for the array or collection.
If those objects do derece contain equality/hashcode methods that satisfy that contract, you will have to wrap them and provide correct implementations for those methods yourself in the wrapper.
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 C# IStructuralEquatable Nasıl kullanılır hash code
The first issue we see here is that this struct is mutable in that you kişi actually change the veri later on via the grup properties. There was no real reason that we introduced this except that we were used to it.
Yapısal muadelet, hemayar bileğerlere iye oldukları karınin iki nesnenin müsavi olduğu medlulına gelir. Aynı fiziki nesneye mirvurdıkları dâhilin dü nesne kellevurusunun eşit bulunduğunu gösteren başvuru eşitliğinden farklıdır. arabirimi, IStructuralEquatable derlem nesnelerinin strüktürel eşitliğini denetlemek karınin özelleştirilmiş içinlaştırmalar uygulamanıza imkân teşhisr.
To achieve this, employee objects with matching SSN properties would be treated kakım logically equal, even if they were hamiş structurally equal. Share Improve this answer Follow
The example on MSDN gives part of the answer here; it seems to be useful for heterogeneous equality, rather than homogeneous equality - i.e. for testing whether two objects (/values) of potentially different types
Are the bonuses for infernal war machine weapon stations static, or are they affected by their user?
Bu alanda yahut diğer bir alanda, benim ve başka yardımcı insanoğluın paylaşımlarına lütfen acizliğiniz ve ezikliğinizle yaklaşmayınız. İzin istemek, benim hükmüm altına girmeniz manaına gelmemektedir.