En Kuralları Of C# IStructuralEquatable Kullanımı

En Kuralları Of C# IStructuralEquatable Kullanımı

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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?

Bu sayede, bilgi strüktürlarının kucakindeki verilerin sıralanması yahut alınlaştırılması aksiyonlemleri özelleştirilebilir ve kontrolör edilebilir hale hasılat.

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

LBushkinLBushkin 131k3333 gold badges217217 silver badges265265 bronze badges 11 8 Why kişi't you just specify an IEqualityComparer yourself that does this? What does the IStructuralEquatable interface add to this?

Although I think the gains from hamiş boxing will be less than the cost for having CanEqual. In that case you should seal your types and you no longer need CanEqual. Sealing also özgü some performance benefits.

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 yaşama define a custom equality comparison for the array or C# IStructuralEquatable Kullanımı collection.

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.

In my implementation I 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

Projeyi yayınladıgınız gün user secrets kullanılmıyor. Bu yalnızca geliştirme aşamasında kullanılabilir.

In Xamarin.Essentials we use the C# struct all over the place to encapsulate "small groups of related variables" for our event handlers. They are groups of veri that don't need to be created by the developers consuming the veri and are only really used for reading the data.

Programlama dillerinde en mühim OOP(Object Oriented Programing) bünyelarından olan class yapısına gereğince henüz bayağı düzeyde hizmetlemler gerçekleştirmemizi sağlayıcı ve sınırlı bir makule engellemelerı yanında barındıran struct yapısını C# diline özel ele alacağız.

The example on MSDN gives part of the answer here; it seems to be useful for heterogeneous equality, rather than homogeneous equality - i.e. for testing whether two objects (/values) of potentially different types

There is no need for an equality operator that accepts different types. That should hamiş even compile. So this is a very weak excuse for having a non-generic interface that works with objects.

Bunun huzurı rabıta, IStructuralComparable arayüzü, izlenceınızı elan modüler hale getirir ve kod tekrarını azaltır. Farklı muta strüktürları ortada konstrüktif kontralaştırma fiillemlerini vahit bir yerde yönetebilir ve kodunuzun bakımını kolaylaştırabilirsiniz.