C# IStructuralEquatable Temel Özellikleri - Genel Bakış

Why do we have IStructuralComparable and IStructuralEquatable when there already exist the IComparable and IEquatable interfaces? The answer I would offer is that, in general, it's desirable to differentiate between reference comparisons and structural comparisons.

1 How do such comparators relate to things like Dictionary and other collections? I know that Dictionary seems to handle structures sensibly albeit slowly in .

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Do hamiş fear because if you simply implement IEquatable the dictionary will use the strongly typed version! The birçok thing is that we kind of actually already did this! So now we just have to do this:

This code technically works, but is sort of a hot mess and is not really maintainable. Anyone using the library would have to write this code bey well. The next logical step would be to just use .Equals on the entire metrics.

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The IEquatable implementation will require one less cast for these classes and birli a result will be slightly faster than the standard object.Equals method that would be used otherwise. Birli an example see the different implementation of the two methods:

Ancak, articles1 ve articles3 dizileri aynı makale saksılıklarına farklı sıralarda sahip başüstüneğundan, CompareTo metodu farklı C# IStructuralEquatable Temel Özellikleri bir porte döndürür ve bu dizilerin konstrüktif olarak bedel 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.

Ancak, fruits1 ve fruits3 dizileri aynı elemanlara farklı sıralarda malik başüstüneğundan, CompareTo metodu farklı bir kıymet döndürür ve bu dizilerin strüktürel olarak bedel olmadığını belirtir.

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You observations does hamiş conflict with the documentation and there is no bug in the implementation.

3 feature called Tuple Equality! That is right, you emanet create a ValueTuple and simply compare them birli they are super optimized, don't create any objects, and reduce this to a single line of code!