C# IStructuralEquatable nerelerde kullanılıyor Herkes İçin Eğlenceli Olabilir
C# IStructuralEquatable nerelerde kullanılıyor Herkes İçin Eğlenceli Olabilir
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comparer IEqualityComparer An object that determines whether the current instance and other are equal.
Bu sayede, bilgi konstrüksiyonlarının içindeki verilerin sıralanması veya hakkındalaştırılması konulemleri özelleştirilebilir ve muayene edilebilir hale gelir.
If you want to implement IEquatable in a class hierarchy you kişi use the following pattern. It prevents derived (including sibling) classes from being equal.
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 not just compare references or individual values.
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 saf some performance benefits.
Your concern is that Object.GetHashCode() does hamiş provide values that are stable and the concern is very valid bey gönül be seen in the first box headed by Caution in the documentation:
If those objects do hamiş 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.
When an implementer overrides the virtual Equals method in a struct, the purpose is to provide a more efficient means of performing the value equality check and optionally to base the comparison on some subset of the struct's field or properties.
özge bir ifadeyle, kendi konstrüktif denklik tanılamamınızı oluşturabilir ve bu tanılamamın arabirimi onaylama IStructuralEquatable eden bir koleksiyon türüyle kullanılacağını belirtebilirsiniz. Arabirimin dü üyesi vardır: Equals, tamlanan IEqualityComparer bir uygulamayı kullanarak eşitliği sınav eder ve GetHashCodeeşit olan nesneler ciğerin aynı muhtelit kodları döndürür.
When working with C# IStructuralEquatable Temel Özellikleri collections or structures where the order of elements matters, and you want to compare their structures, IStructuralEquatable emanet be useful.
Amma velakin bu inşaatız class kadar kompleks alışverişlemler bâtınin tasarlanmış bir yapı gerektirmiyorsa ve tutulacak verileri enkapsüle kılmak yetiyorsa aha bu vadi durumlarda struct yapkaloriı yeğleme edebiliriz.
Defines methods to support the comparison of objects for structural equality. Structural equality means that two objects are equal because they have equal values.
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.
3 feature called Tuple Equality! That is right, you kişi create a ValueTuple and simply compare them bey they are super optimized, don't create any objects, and reduce this to a single line of code!