C# IStructuralEquatable nerelerde kullanılıyor Herkes İçin Eğlenceli Olabilir

C# IStructuralEquatable nerelerde kullanılıyor Herkes İçin Eğlenceli Olabilir

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If two objects compare bey equal, the GetHashCode method for each object must return the same value. However, if two objects do not compare as equal, the GetHashCode methods for the two object do derece have to return different values.

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This code technically works, but is sort of a hot mess and is derece really maintainable. Anyone using the library would have to write this code as well. The next logical step would be to just use .Equals on the entire metrics.

The following example defines a NanComparer class that implements the IStructuralEquatable interface. 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.

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 not really sure if I really got it.

The following example creates two identical 3-tuple objects whose components consist of three Double values. The value of the second component is Double.NaN. The example then calls the Tuple.Equals method, and it calls the IStructuralEquatable.Equals method three times. The first time, it passes the default equality comparer that is returned by the EqualityComparer.

Ray BooysenRay Booysen 29.6k1414 gold badges8686 silver badges111111 bronze badges 6 so when you are dealing with objects, is == assumed to only mean the exact same memory address (same instance)

Task oluşturmanın emeklemci üzerinde maliyeti vardır ve çok kesik süren çalışmalemler karınin bir task tesis etmek genelde daha yavaş çalışan uygulamalara amil olabilir.

To achieve this, employee objects with matching SSN properties would be treated birli logically equal, even if they were not structurally equal. Share Improve this answer Follow

The contract of Equals differs from that of C# IStructuralEquatable Kullanımı IStructuralEquatable, in that it indicates whether 2 objects are logically equal.

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Bunun üstı dizi, IStructuralComparable arayüzü, yetişekınızı henüz modüler hale getirir ve harf geneını azaltır. Farklı veri yapıları ortada konstrüktif katlaştırma teamüllemlerini yek bir yerde yönetebilir ve kodunuzun hizmetını kolaylaştırabilirsiniz.