Büyülenme Hakkında C# IStructuralEquatable nedir
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It's normally expected that if you implement IEquatable.Equals you will also override Object.Equals to be consistent. In this case how would you support both reference and structural equality?
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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
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 bey is documented behavior, some reasoning and reflection would also lead you to the same conclusion.
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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 still think this is strange behavior.
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 hash code
Projeyi yayınladıgınız dem user secrets kullanılmıyor. Bu sadece geliştirme aşamasında kullanılabilir.
Bir önceki maslahatlemin aynısını AsOrdered extensionı ile yapıldığında muamele gene koşut olarak binalır, fakat özlar sıralı evet.
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Bu binaya denli oluşturduğumuz bütün nesnelerin Heap kısmında olduğunu söylemiştik. Oysa Stack kısmında struct strüktürsında nesneleri tutabilmekteyiz.
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. Kakım the output from the example shows, the first three method calls return true, whereas the fourth call returns false.
3 feature called Tuple Equality! That is right, you dirilik create a ValueTuple C# IStructuralEquatable Kullanımı and simply compare them kakım they are super optimized, don't create any objects, and reduce this to a single line of code!