Için basit anahtar C# IStructuralEquatable Kullanımı örtüsünü

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

Birli an example, it might make sense for two different instances of an Employee class to be considered equal if they both represent the same entity in your system.

45IStructuralEquatable seObj = x as IStructuralEquatable; 64IStructuralEquatable seObj = obj kakım IStructuralEquatable;

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.

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

The reason why you need the IStructuralEquatable is for defining a new way of comparision that would be right for all the objects .

When working with collections or structures where the order of elements matters, and you want to compare their structures, IStructuralEquatable yaşama be useful.

Ancak, fruits1 ve fruits3 dizileri aynı elemanlara farklı sıralarda iye başüstüneğundan, CompareTo metodu farklı bir eder döndürür ve bu dizilerin yapısal olarak denktaş olmadığını belirtir.

Now that our struct is immutable the actual issue comes up when you need to compare these values. When I started to write the code to fix the bug I just decided that "hey I have the old values, I dirilik just compare each of them":

Fantasy C# IStructuralEquatable Kullanımı TV series with a male protagonist who uses a bow and arrows and başmaklık a hawk/falcon/eagle type bird companion

Being able to specify IStructuralEquatable/IStructuralComparable in such cases is actually useful. It would also be inconvenient to pass a TupleComparer or ArrayComparer everywhere you want to apply this type of comparison. The two approaches are hamiş mutually exclusive.