Bir İnceleme C# IStructuralEquatable Temel Özellikleri

Bir İnceleme C# IStructuralEquatable Temel Özellikleri

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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.

In certain scenarios (such birli using the value type kakım a key in a dictionary) it gönül murder performance in one foul swoop.

It differs from reference equality, which indicates that two object references are equal because they reference the same physical object.

Does anyone know what happens if you do derece implement iequtalable when using generic collections? 2

It is used by the third example bey an argument to the Equals(Object, IEqualityComparer) method of the IStructuralEquatable interface that tuples implement. 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.

If two objects compare bey equal, the GetHashCode method for each object must return the same value. However, if two objects do derece compare kakım equal, the GetHashCode methods for the two object do derece have to return different values.

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Fakat, articles1 ve articles3 dizileri aynı makale temellıklarına farklı sıralarda malik başüstüneğundan, CompareTo metodu farklı bir mesabe döndürür ve bu dizilerin yapısal olarak yeksan olmadığını belirtir.

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I had the same question. When I ran LBushkin's example I was surprised to see that I got a different answer! Even though that answer başmaklık 8 upvotes, it is wrong. After a lot of 'reflector'ing, here is my take on things.

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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While writing my own immutable ByteArray class that uses a byte array internally, I implemented the IStructuralEquatable interface.