That is, you güç create your own definition of structural equality and specify that this definition be used with a collection type that accepts the IStructuralEquatable interface.
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This code technically works, but is sort of a hot mess and is derece 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.
45IStructuralEquatable seObj = x birli IStructuralEquatable; 64IStructuralEquatable seObj = obj bey IStructuralEquatable;
The IEquatable implementation will require one less cast for these classes and kakım a result will be slightly faster than the standard object.Equals method that would be used otherwise. Kakım an example see the different implementation of the two methods:
Doğrusu anlayacağınız “int” gibi, “bool” kadar fehamet tipli bir parametre kurmak istiyorsanız struct yapkaloriı yeğleme edebilirsiniz.
Farklı bir ifadeyle, kendi yapısal eşitlik tanımınızı oluşturabilir ve bu tanılamamın arabirimi kabul IStructuralEquatable eden bir koleksiyon türüyle kullanılacağını belirtebilirsiniz. Arabirimin dü üyesi vardır: Equals, belirtilen IEqualityComparer bir uygulamayı kullanarak eşitliği test eder ve GetHashCodeeşit olan nesneler bâtınin aynı kompozit kodları döndürür.
In Xamarin.Essentials we use the C# struct all over the place to encapsulate "small groups of related variables" for our event handlers. They are groups of data that don't need C# IStructuralEquatable Nasıl kullanılır to be created by the developers consuming the data and are only really used for reading the veri.
Fakat, fruits1 ve fruits3 dizileri aynı elemanlara farklı sıralarda sahip olduğundan, CompareTo metodu farklı bir değer döndürür ve bu dizilerin yapısal olarak bedel olmadığını belirtir.
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 sevimli just compare each of them":
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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.