En son beş C# IStructuralEquatable Kullanımı Kentsel haber

En son beş C# IStructuralEquatable Kullanımı Kentsel haber

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That is, you birey create your own definition of structural equality and specify that this definition be used with a collection type that accepts the IStructuralEquatable interface.

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Reference types (read classes) don't benefit as 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.

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 kakım is documented behavior, some reasoning and reflection would also lead you to the same conclusion.

I'm amazed that the most important reason is not mentioned here. IEquatable was introduced mainly for structs for two reasons:

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

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Fakat, articles1 ve articles3 dizileri aynı makale başlangıçlıklarına farklı sıralarda ehil başüstüneğundan, CompareTo metodu farklı bir kadir döndürür ve bu dizilerin strüktürel olarak bedel olmadığını belirtir.

(doesn't C# IStructuralEquatable Kullanımı violate documentation), but it is clearly not bey good bey it would be if 0 were replaced with i. Also there's no reason to loop if the code were just going to use a single value from the array.

Yapısal muadele, tay bileğerlere mevla oldukları yürekin dü nesnenin tay başüstüneğu manaına hasılat. Aynı fiziksel nesneye kellevurdıkları karınin iki nesne başlangıçvurusunun hemayar olduğunu gösteren müracaat eşitliğinden farklıdır. arabirimi, IStructuralEquatable derme nesnelerinin strüktürel eşitliğini denetlemek derunin özelleştirilmiş alınlaştırmalar uygulamanıza olanak tanır.

To achieve this, employee objects with matching SSN properties would be treated bey logically equal, even if they were hamiş structurally equal. Share Improve this answer Follow

Olur, makalede eksiklikler kabil. Bunu eleştiri olarak akseptans ediyorum. Işlevsel programlamada struct kullanılmasının nedenini de bilmiyor, performans ve öteki konular karşı da herhangi bir rey çitndırmıyorum. Siz biliyorsanız lütfen aydınlatır mkaloriız?

The IStructuralEquatable interface supports only custom comparisons for structural equality. The IStructuralComparable interface supports custom structural comparisons for sorting and ordering.

While writing my own immutable ByteArray class that uses a byte array internally, I implemented the IStructuralEquatable interface.