En iyi Tarafı C# IStructuralEquatable nerelerde kullanılıyor
Wiki Article
That is, you gönül create your own definition of structural equality and specify that this definition be used with a collection type that accepts the IStructuralEquatable interface.
Now, when we call Equals ourselves it will directly call our new fancy Equals that takes in a ScreenMetrics, which is great.
That is right! When we override Equals we must also override and implement GetHashCode. I am no HashCode expert, but in the same article from Sergey is a snippet of using a ValueTuple to simplify this entire call to 1 line of code just like our fancy ValueTuple Equality above.
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. Birli the output from the example shows, the first three method calls return true, whereas the fourth call returns false.
Your browser isn’t supported anymore. Update it to get the best YouTube experience and our latest features. Learn more
The IStructuralEquatable interface enables you to implement customized comparisons to check for the structural equality of collection objects.
After some more testing I found that any two arrays with the same first element have the same hash. I C# IStructuralEquatable Temel Özellikleri still think this is strange behavior.
Coming soon: Throughout 2024 we will be phasing out GitHub Issues birli the feedback mechanism for content and replacing it with a new feedback system. For more information see: .
The reason why you need the IStructuralEquatable is for defining a new way of comparision that would be right for all the objects .
Bu örnekte, articles1 ve articles2 dizileri aynı makale sarrafiyelıklarına aynı tam malik evetğundan, CompareTo metodu 0 döndürerek bu dizilerin strüktürel olarak yeksan olduğunu belirtir.
Amma velakin bu inşaatız class derece kompleks çalışmalemler bâtınin tasarlanmış bir yapı gerektirmiyorsa ve tutulacak verileri enkapsüle kılmak yetiyorsa aha bu suret durumlarda struct yapkaloriı tercih edebiliriz.
IStructuralEquatable is used with arrays to determine whether the arrays are structurally equal. The StructuralEqualityComparer.Equals method is used for this purpose.
Is there any yasal justification for content on the web without an explicit licence being freeware? more hot questions
Collaborate with us on GitHub The source for this content dirilik be found on GitHub, where you kişi also create and review issues and pull requests. For more information, see our contributor guide.