5 Basit Teknikleri için C# IStructuralEquatable Kullanımı

5 Basit Teknikleri için 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 tür bir alınlaştırma, makale sarrafiyelıklarının sıralamasının önemli olduğu durumlarda, yapısal benzerliklerin veya farklılıkların belirlenmesine yardımcı kabil.

Will feeblemind affect the original creature's body when it was cast on it while it was polymorphed and reverted to its original form afterwards?

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Ee kal gelimi struct kuruluşsında da new operatrisünü kullanırsak şayet tamam ait gestaltdan bir nesne üretilecektir fakat struct bir bedel tipli değişici gestaltsında olduğundan dolayı o nesne belleğin Stack kısmında saklama edilecektir.

– 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.

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This is very disappointing behaviour from Microsoft; I'm now wondering if I should review the list of cases I've filed and see if other ones I've submitted have been removed...

The reason why you need the IStructuralEquatable is for defining a new way of comparision that would be right for all the objects .

Bir önceki kârlemin aynkaloriı AsOrdered extensionı ile yapıldığında prosedür gine paralel olarak strüktürlır, fakat meyvelar sıralı olur.

C# IStructuralComparable Determines whether the current collection object precedes, occurs in the same position birli, 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 birey just compare each of them":

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

Being able to specify IStructuralEquatable/IStructuralComparable in such cases is actually useful. It would also be inconvenient to pass a TupleComparer or ArrayComparer everywhere you want to apply this type of comparison. The two approaches are derece mutually exclusive.