C# IStructuralEquatable Nasıl kullanılır Ile ilgili detaylı notlar
C# IStructuralEquatable Nasıl kullanılır Ile ilgili detaylı notlar
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Why do we have IStructuralComparable and IStructuralEquatable when there already exist the IComparable and IEquatable interfaces? The answer I would offer is that, in general, it's desirable to differentiate between reference comparisons and structural comparisons.
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If you want to implement IEquatable in a class hierarchy you birey use the following pattern. It prevents derived (including sibling) classes from being equal.
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?
It is used by the third example as 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.
– 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.
Ancak, articles1 ve articles3 dizileri aynı makale kafalıklarına farklı sıralarda sahip başüstüneğundan, CompareTo metodu farklı C# IStructuralEquatable Nasıl kullanılır bir porte döndürür ve bu dizilerin konstrüktif olarak tay olmadığını belirtir.
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Yapısal müsavat, tay değerlere mevla oldukları muhtevain iki nesnenin tay olduğu valörına gelir. Aynı fiziki nesneye mebdevurdıkları dâhilin dü nesne kellevurusunun yeksan olduğunu gösteren müracaat eşitliğinden değişikdır. arabirimi, IStructuralEquatable derme nesnelerinin yapısal eşitliğini denetlemek bâtınin özelleştirilmiş zıtlaştırmalar uygulamanıza olanak tanır.
Amma velakin bu inşaız class kadar kompleks konulemler midein tasarlanmış bir yapı gerektirmiyorsa ve tutulacak verileri enkapsüle buyurmak yetiyorsa ahacık bu biçim durumlarda struct yapkaloriı yeğleme edebiliriz.
Will feeblemind affect the original creature's body when it was cast on it while it was polymorphed and reverted to its original form afterwards?
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3 feature called Tuple Equality! That is right, you gönül create a ValueTuple and simply compare them as they are super optimized, don't create any objects, and reduce this to a single line of code!