Temel İlkeleri C# IStructuralEquatable nerelerde kullanılıyor

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Keep in mind that for this interface to work correctly, the types within the collection or structure must also implement IStructuralEquatable or provide their own structural equality logic.

Now, when we call Equals ourselves it will directly call our new fancy Equals that takes in a ScreenMetrics, which is great.

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Kakım far as I see this is only exposed through the StructuralComparisons class. The only way I emanet figure out to make this useful is to make a StructuralEqualityComparer helper class kakım follow:

In this equating the values in arrays may be same or different but their object references are equal.

Your concern is that Object.GetHashCode() does hamiş provide values that are stable and the concern is very valid kakım güç be seen in the first box headed by Caution in the documentation:

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Defines a generalized method that a value type or class implements to create a type-specific method for determining equality of instances.

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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.

The contract of Equals differs from that of IStructuralEquatable, in that it indicates whether 2 objects are logically equal.

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3 feature called Tuple Equality! That is right, you sevimli create a ValueTuple and simply compare them kakım C# IStructuralEquatable Nasıl kullanılır they are super optimized, don't create any objects, and reduce this to a single line of code!