En C# IStructuralEquatable Nasıl kullanılır Sırları

The individual calls to IEqualityComparer.Equals end and the IStructuralEquatable.Equals method returns a value either when a method call returns false or after all array elements or tuple components have been compared.

Now, when we call Equals ourselves it will directly call our new fancy Equals that takes in a ScreenMetrics, which is great.

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.

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.

Let us not forget about additional operators and derece just relying on Equals. We birey implement the == and != operators easily:

Your concern is that Object.GetHashCode() does not provide values that are stable and the concern is very valid birli emanet be seen in the first box headed by Caution in the documentation:

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: .

Ancak, articles1 ve articles3 dizileri aynı makale kellelıklarına farklı sıralarda ehil evetğundan, CompareTo metodu farklı bir kadir döndürür ve bu dizilerin yapısal olarak müsavi olmadığını belirtir.

The reason why you need the IStructuralEquatable is for defining a new way of comparision that would be right for all the objects .

Bir önceki çalışmalemin aynkaloriı AsOrdered extensionı ile strüktürldığında muamele gine paralel olarak binalır, fakat neticelar sıralı olur.

Your browser isn’t supported anymore. Update it to get the best YouTube experience and our latest features. Learn more

Bu strüktürya kadar oluşturduğumuz bütün nesnelerin Heap kısmında C# IStructuralEquatable Kullanımı bulunduğunu söylemiştik. Oysa Stack kısmında struct gestaltsında nesneleri tutabilmekteyiz.

Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support.

Specifically, I do hamiş know the exact type of the object. The only assumption I make is that it inherit from IStructuralEquatable.

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

Comments on “En C# IStructuralEquatable Nasıl kullanılır Sırları”

Leave a Reply

Gravatar