En iyi Tarafı C# IStructuralEquatable nerelerde kullanılıyor

En iyi Tarafı C# IStructuralEquatable nerelerde kullanılıyor

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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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. The best example of this is arrays, which with .Kupkuru 4 now implement the IStructuralEquatable interface. This makes it possible to distinguish whether you are comparing two arrays for reference equality, or for "structural equality" - whether they have the same number of items with the same values in each position. Here's an example:

IStructuralEquatable is an interface in C# that defines methods for determining whether two objects are structurally equal. It's often used in scenarios where you want to compare the structure of objects, typically within collections, and hamiş just compare references or individual values.

Bildiğiniz kabilinden new operatörü classlarda kullanıldığı devran alakalı classtan bir nesne talep edilmekte ve üretilen nesne belleğin Heap kısmında korunum edilmektedir.

The generic tuple classes (Tuple, Tuple, Tuple, and so on) and the Array class provide explicit implementations of the IStructuralEquatable interface. By casting (in C#) or converting (in Visual Basic) the current instance of an array or tuple to an IStructuralEquatable interface value and providing your IEqualityComparer implementation as an argument to the Equals method, you gönül define a custom C# IStructuralEquatable nedir equality comparison for the array or collection.

The IEquatable implementation will require one less cast for these classes and birli 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:

We sevimli also make our own container play well with these other containers by implementing these interfaces.

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Programlama dillerinde en mühim OOP(Object Oriented Programing) yapılarından olan class örgüsına bakılırsa henüz süssüz düzeyde aksiyonlemler gerçekleştirmemizi sağlayan ve muayyen bir cihaz kısıtlamaları indinde barındıran struct yapısını C# diline özel ele alacağız.

Now that our struct is immutable the actual issue comes up when you need to compare these values. When I started to write the code to fix the bug I just decided that "hey I have the old values, I can just compare each of them":

There is no need for an equality operator that accepts different types. That should not even compile. So this is a very weak excuse for having a non-generic interface that works with objects.

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.