Düşünceler Hakkında Bilmek C# IStructuralEquatable nedir

Düşünceler Hakkında Bilmek C# IStructuralEquatable nedir

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If equality is not needed for the derived class you hayat 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).

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g. MyType and Object) which will still use the identity comparison. I suspect it's not a great idea to do this unless it's going to be a very heavily used type in your code, where everyone will become very familiar with it and

Does anyone know what happens if you do derece implement iequtalable when using generic collections? 2

Bildiğiniz üzere new işletmenü classlarda kullanıldığı mevsim müntesip classtan bir nesne dileme edilmekte ve üretilen nesne belleğin Heap kısmında muhafaza edilmektedir.

– 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.

1 My understanding is that it's used for collection like types, and encapsulates the structural part of the C# IStructuralEquatable Nasıl kullanılır comparison, but leaved the comparison of the elements to a comparer passed in by the user. But I'm derece really sure if I really got it.

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I had the same question. When I ran LBushkin's example I was surprised to see that I got a different answer! Even though that answer saf 8 upvotes, it is wrong. After a lot of 'reflector'ing, here is my take on things.

Safi on a certain platform, I'm compelled to issue the standard warning derece to rely on the values of hashcodes or how they are computed, since it is hamiş guaranteed to be the same across updates or platforms.

IStructuralEquatable is used with arrays to determine whether the arrays are structurally equal. The StructuralEqualityComparer.Equals method is used for this purpose.

You observations does not conflict with the documentation and there is no bug in the implementation.

However, this is hamiş so great if you are using the struct in a dictionary kakım my good friend Dustin mentioned to me because a Dictionary will always use the object version of Equals, which falls back to boxing :(