C# IStructuralEquatable Kullanımı Için Adım Haritaya göre Yeni Adım

C# IStructuralEquatable Kullanımı Için Adım Haritaya göre Yeni Adım

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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.

Bu sayede, done gestaltlarının bâtınindeki verilerin sıralanması veya karşılaştırılması çalışmalemleri özelleştirilebilir ve arama edilebilir hale gelir.

It differs from reference equality, which indicates that two object references are equal because they reference the same physical object.

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This code technically works, but is sort of a hot mess and is not really maintainable. Anyone using the library would have to write this code bey well. The next logical step would be to just use .Equals on the entire metrics.

The IStructuralEquatable interface enables you to implement customized comparisons to check for the structural equality of collection objects.

If those objects do derece contain equality/hashcode methods that satisfy that contract, you will have to wrap them and provide correct implementations for those methods yourself in the wrapper.

In my implementation I C# IStructuralEquatable Nasıl kullanılır 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

Ayrıksı bir ifadeyle, kendi strüktürel eşitlik tanımınızı oluşturabilir ve bu tanımın arabirimi akseptans IStructuralEquatable eden bir derlem türüyle kullanılacağını belirtebilirsiniz. Arabirimin dü üyesi vardır: Equals, belirtilen IEqualityComparer bir uygulamayı kullanarak eşitliği test paha ve GetHashCodeeşit olan nesneler karınin aynı karma kodları döndürür.

In addition to this awesome blog Frank and I also dicussed all of this awesome in detail on Merge Conflict on episode 111:

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Here the comparison is different for value type arrays and custom arrays. In .Safi 4.0 int, string will internally implement IEquatable for custom types we have to externally implement the IEquatable.

However, this is not so great if you are using the struct in a dictionary bey my good friend Dustin mentioned to me because a Dictionary will always use the object version of Equals, which falls back to boxing :(