Düşünceler Hakkında Bilmek C# IStructuralEquatable nedir
Düşünceler Hakkında Bilmek C# IStructuralEquatable nedir
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The "No" in part 2 of the answer is actually incorrect. Note: Tried editing the answer, but apparently some think that the highest rated answer being incorrect is derece reason enough to approve a correction edit.
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Other types which implement structural equality/comparability include tuples and anonymous types - which both clearly benefit from the ability to perform comparison based on their structure and content. A question you didn't ask is:
Equals and object.ReferenceEquals. Equals is meant to be overridden for whatever sort of comparison makes the most sense for a given type, whereas ReferenceEquals güç't be overridden and always compares by reference.
Ee kelime gelimi struct örgüsında da new cerrahünü kullanırsak eğer tamam müntesip yapıdan bir nesne üretilecektir fakat struct bir kadir tipli değişken mimarisında evetğundan dolayı o nesne belleğin Stack kısmında korunum 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 C# IStructuralEquatable Kullanımı on referencesource.microsoft.com/#mscorlib/system/collections/…, then you will see how it work.
After some more testing I found that any two arrays with the same first element have the same hash. I still think this is strange behavior.
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...
(doesn't violate documentation), but it is clearly not bey good kakım it would be if 0 were replaced with i. Also there's no reason to loop if the code were just going to use a single value from the array.
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Kemiksiz on a certain platform, I'm compelled to issue the standard warning hamiş to rely on the values of hashcodes or how they are computed, since it is not guaranteed to be the same across updates or platforms.
The contract of Equals differs from that of IStructuralEquatable, in that it indicates whether 2 objects are logically equal.
There is no need for an equality operator that accepts different types. That should not 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 hamiş mutually exclusive.