Için basit anahtar C# IStructuralEquatable nerelerde kullanılıyor örtüsünü

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Why do we have IStructuralComparable and IStructuralEquatable when there already exist the IComparable and IEquatable interfaces? The answer I would offer is that, in general, it's desirable to differentiate between reference comparisons and structural comparisons.

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

This is really amazing code and works great for .Safi Standard libraries. If you are in a .Kupkuru Core 2.1 application there is an even cooler way of doing this:

Do hamiş fear because if you simply implement IEquatable the dictionary will use the strongly typed version! The birçok thing is that we kind of actually already did this! So now we just have to do this:

Bildiğiniz üzere new işletmenü classlarda kullanıldığı saat ilgili classtan bir nesne istem edilmekte ve üretilen nesne belleğin Heap kısmında saklama edilmektedir.

Structural equality means that two objects are equal because they have equal values. It differs from reference equality, which indicates that two object references are equal because they reference the same physical object. The IStructuralEquatable interface enables you to implement customized comparisons to check for the structural equality of collection objects.

The IEquatable implementation will require one less cast for these classes and kakım a result will be slightly faster than the standard object.Equals method that would be used otherwise. As an example see the different implementation of the two methods:

Kısaca anlayacağınız C# IStructuralEquatable nedir “int” kabil, “bool” kadar şayan tipli bir değişebilir tesis etmek istiyorsanız struct yapısını yeğleme edebilirsiniz.

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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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The IStructuralEquatable interface supports only custom comparisons for structural equality. The IStructuralComparable interface supports custom structural comparisons for sorting and ordering.

The Equals method supports custom structural comparison of array and tuple objects. This method in turn calls the comparer object's IEqualityComparer.Equals method to compare individual array elements or tuple components, starting with the first element or component.