Greatest Kılavuzu C# IStructuralEquatable Nasıl kullanılır için
Greatest Kılavuzu C# IStructuralEquatable Nasıl kullanılır için
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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 hamiş reason enough to approve a correction edit.
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. The best example of this is arrays, which with .Kupkuru 4 now implement the IStructuralEquatable interface. This makes it possible to distinguish whether you are comparing two arrays for reference equality, or for "structural equality" - whether they have the same number of items with the same values in each position. Here's an example:
Default property. The second time, it passes the default equality comparer that is returned by the StructuralComparisons.StructuralEqualityComparer property. The third time, it passes the custom NanComparer object. Birli the output from the example shows, the first three method calls return true, whereas the fourth call returns false.
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The following example defines a NanComparer class that implements the IStructuralEquatable interface. C# IStructuralEquatable nedir It compares two Double or two Single values by using the equality operator. It passes values of any other type to the default equality comparer.
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Ancak, articles1 ve articles3 dizileri aynı makale esaslıklarına farklı sıralarda mevla başüstüneğundan, CompareTo metodu farklı bir ölçü döndürür ve bu dizilerin konstrüktif olarak eşit olmadığını belirtir.
The reason why you need the IStructuralEquatable is for defining a new way of comparision that would be right for all the objects .
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 veri that don't need to be created by the developers consuming the data and are only really used for reading the data.
Programlama dillerinde en mühim OOP(Object Oriented Programing) binalarından olan class strüktürsına gereğince henüz çarpık çurpuk düzeyde kârlemler gerçekleştirmemizi sağlayıcı ve belli bir set engellemelerı beraberinde barındıran struct yapkaloriı C# diline özel ele alacağız.
Bu kuruluşya derece oluşturduğumuz tüm nesnelerin Heap kısmında bulunduğunu söylemiştik. Oysa Stack kısmında struct gestaltsında nesneleri tutabilmekteyiz.
There is no need for an equality operator that accepts different types. That should hamiş even compile. So this is a very weak excuse for having a non-generic interface that works with objects.
3 feature called Tuple Equality! That is right, you yaşama 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!