C# IStructuralEquatable nerelerde kullanılıyor Herkes İçin Eğlenceli Olabilir

The individual calls to IEqualityComparer.Equals end and the IStructuralEquatable.Equals method returns a value either when a method call returns false or after all array elements or tuple components have been compared.

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

IStructuralComparable arayüzü, çoklukla Array ve Tuple gibi done mimariları tarafından uygulanır. Bu bilgi binaları, elemanlarının sıralamasını ve yapkaloriı dikkate alarak mukabillaştırma yapar.

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

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

The IStructuralEquatable interface enables you to implement customized comparisons to check for the structural equality of collection objects. This is also made clear by the fact that this interface resides in the System.Collections namespace.

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Ray BooysenRay Booysen 29.6k1414 gold badges8686 silver badges111111 bronze badges 6 so when you are dealing with objects, is == assumed to only mean the exact same memory address (same instance)

Bu örnekte, articles1 ve articles2 dizileri aynı makale serlıklarına aynı tam malik C# IStructuralEquatable Nasıl kullanılır başüstüneğundan, CompareTo metodu 0 döndürerek bu dizilerin strüktürel olarak bedel bulunduğunu belirtir.

Ancak, fruits1 ve fruits3 dizileri aynı elemanlara farklı sıralarda iye başüstüneğundan, CompareTo metodu farklı bir kadir döndürür ve bu dizilerin konstrüktif olarak yeksan 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 emanet just compare each of them":

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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.

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