En Kuralları Of C# IStructuralEquatable Kullanımı
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comparer IEqualityComparer An object that determines whether the current instance and other are equal.
Now, when we call Equals ourselves it will directly call our new fancy Equals that takes in a ScreenMetrics, which is great.
Reference types (read classes) don't benefit birli much. The IEquatable implementation does let you avoid a cast from System.Object but that's a very trivial gain. I still like IEquatable to be implemented for my classes since it logically makes the intent explicit.
Does anyone know what happens if you do derece implement iequtalable when using generic collections? 2
Bildiğiniz kabil new operatrisü classlarda kullanıldığı dönem ilişkin classtan bir nesne istem edilmekte ve üretilen nesne belleğin Heap kısmında koruma edilmektedir.
– 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 C# IStructuralEquatable Nasıl kullanılır how it implement IStructuralEquatable on referencesource.microsoft.com/#mscorlib/system/collections/…, then you will see how it work.
1 My understanding is that it's used for collection like types, and encapsulates the structural part of the comparison, but leaved the comparison of the elements to a comparer passed in by the user. But I'm hamiş really sure if I really got it.
Ancak, articles1 ve articles3 dizileri aynı makale sarrafiyelıklarına farklı sıralarda malik evetğundan, CompareTo metodu farklı bir kıymetiharbiye döndürür ve bu dizilerin strüktürel olarak eşit olmadığını belirtir.
comparer IEqualityComparer İki nesnenin yeksan olup olmadığını değerlendirmek karınin kullanılacak yöntemi teşhismlayan nesne.
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 to be created by the developers consuming the veri and are only really used for reading the veri.
C# IStructuralEquatable Defines methods to support the comparison of objects for structural equality.
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Here the comparison is different for value type arrays and custom arrays. In .Net 4.0 int, string will internally implement IEquatable for custom types we have to externally implement the IEquatable.
3 feature called Tuple Equality! That is right, you can create a ValueTuple and simply compare them as they are super optimized, don't create any objects, and reduce this to a single line of code!