En Kuralları Of C# IStructuralEquatable Kullanımı

En Kuralları Of C# IStructuralEquatable Kullanımı

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If equality is not needed for the derived class you sevimli skip IEquatable but you need to override the CanEqual to prevent it being equal with base classes (unless of course they should be considered equal).

Bu sayede, bilgi mimarilarının ciğerindeki verilerin sıralanması veya muhaliflaştırılması maslahatlemleri özelleştirilebilir ve yoklama 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 emanet't you just specify an IEqualityComparer yourself that does this? What does the IStructuralEquatable interface add to this?

You generic method başmaklık a type parameter T but the type is hamiş part of the signature of the function so how is T supposed to be used in the function? Anyway, you yaşama use .Kemiksiz tuples or anonymous types to create hash codes by combining values but I am not sure this answers your question.

– Royi Namir Commented Mar 3, 2012 at 18:04 @RoyiNamir user844541's answer is correct, but maybe it is still hard for you to understand without a concrete example, if you are familiar with IEqualityComparer and how it is used by Linq's Distinct(), then after check the source code to see how it implement IStructuralEquatable on referencesource.microsoft.com/#mscorlib/system/collections/…, then you will see how it work.

What does IEquatable buy you, exactly? The only reason I kişi see it being useful is when creating a generic type and forcing users to implement and write a good equals method.

Fakat, articles1 ve articles3 dizileri aynı makale kafalıklarına farklı sıralarda sahip başüstüneğundan, CompareTo metodu farklı bir ölçü döndürür ve bu C# IStructuralEquatable Kullanımı dizilerin konstrüktif olarak eşit olmadığını belirtir.

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In all my years of development and blogging I never thought I would be writing about how amazing a C# struct is, how awesome IEquatable is, and how C# 7 features make implementing all of it mind blowing.

C# IStructuralComparable Determines whether the current collection object precedes, occurs in the same position kakım, or follows another object in the sort order.

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 emanet just compare each of them":

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Specifically, I do not know the exact type of the object. The only assumption I make is that it inherit from IStructuralEquatable.