C# IStructuralEquatable nerelerde kullanılıyor Sırları

C# IStructuralEquatable nerelerde kullanılıyor Sırları

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If equality is hamiş needed for the derived class you güç skip IEquatable but you need to override the CanEqual to prevent it being equal with base classes (unless of course they should be considered equal).

In this case you don't want to change your class implementation so you don't wantoverride the Equals method. this will define a general way to compare objects in your application.

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 birey't be overridden and always compares by reference.

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The IStructuralEquatable interface enables you to implement customized comparisons to check for the structural equality of collection objects.

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.

Fakat, articles1 ve articles3 dizileri aynı makale mirlıklarına farklı sıralarda ehil başüstüneğundan, CompareTo metodu farklı bir şayan döndürür ve bu dizilerin strüktürel olarak denktaş 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 C# IStructuralEquatable nedir mind blowing.

Each of your objects should use a hashcode based on the contents of the object. If you have a value type containing 3 ints, use those when computing the hash code. Like this, all objects with identical content will have the same hash code, independent of app domain and other circumstances.

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Here the comparison is different for value type arrays and custom arrays. In .Kemiksiz 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 kişi create a ValueTuple and simply compare them bey they are super optimized, don't create any objects, and reduce this to a single line of code!