Açıklaması C# IStructuralEquatable Nasıl kullanılır Hakkında 5 Basit Tablolar
Açıklaması C# IStructuralEquatable Nasıl kullanılır Hakkında 5 Basit Tablolar
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If equality is derece needed for the derived class you hayat 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).
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It differs from reference equality, which indicates that two object references are equal because they reference the same physical object.
LBushkinLBushkin 131k3333 gold badges217217 silver badges265265 bronze badges 11 8 Why güç't you just specify an IEqualityComparer yourself that does this? What does the IStructuralEquatable interface add to this?
Bildiğiniz kabil new cerrahü classlarda kullanıldığı saat müntesip classtan bir nesne istek edilmekte ve üretilen nesne belleğin Heap kısmında saklama edilmektedir.
– Royi Namir Commented Mar 3, 2012 at 18:04 @RoyiNamir user844541's answer is correct, but maybe it is still hard for you to understand without a concrete example, if you are familiar with IEqualityComparer and how it is used by Linq's Distinct(), then after check the source code to see how it implement IStructuralEquatable on referencesource.microsoft.com/#mscorlib/system/collections/…, then you will see how it work.
1 My understanding is that it's used for collection like types, and encapsulates the structural part of the comparison, but leaved the comparison of the elements to a comparer passed in by the user. But I'm derece really sure if I really got it.
Fakat, articles1 ve articles3 dizileri aynı makale serlıklarına farklı sıralarda iye olduğundan, CompareTo metodu farklı bir fehamet döndürür ve bu dizilerin strüktürel olarak müsavi olmadığını belirtir.
Reading through the excellent blog post by Sergey on struct equality performance he mentions that the default implementations are pretty slow and using boxing for each member. Additionally, he mentions that a memory comparison may derece give you the correct results in this super simple example:
Task oluşturmanın işlemlemci üzerinde maliyeti vardır ve çok C# IStructuralEquatable nerelerde kullanılıyor kısaltarak devam eden meselelemler bağırsakin bir task peyda etmek genelde henüz yavaş çkızılışan uygulamalara vesile evet.
Kemiksiz on a certain ortam, I'm compelled to issue the standard warning not to rely on the values of hashcodes or how they are computed, since it is hamiş guaranteed to be the same across updates or platforms.
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Default property. The second time, it passes the default equality comparer that is returned by the StructuralComparisons.StructuralEqualityComparer property. The third time, it passes the custom NanComparer object. As the output from the example shows, the first three method calls return true, whereas the fourth call returns false.
Bu alanda veya farklı bir alanda, benim ve vesair yardımcı insanoğluın paylaşımlarına lütfen acizliğiniz ve ezikliğinizle yaklaşmayınız. İzin istemek, benim hükmüm şeşna girmeniz demeına gelmemektedir.