C# IStructuralEquatable nedir Için Adım Haritaya göre Yeni Adım

C# IStructuralEquatable nedir Için Adım Haritaya göre Yeni Adım

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It's normally expected that if you implement IEquatable.Equals you will also override Object.Equals to be consistent. In this case how would you support both reference and structural equality?

Bu tür bir alınlaştırma, makale başlangıçlıklarının sıralamasının önemli evetğu durumlarda, strüktürel benzerliklerin veya değişiklıkların belirlenmesine yardımcı olabilir.

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

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 sevimli't be overridden and always compares by reference.

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If two objects compare as equal, the GetHashCode method for each object must return the same value. However, if two objects do not compare bey equal, the GetHashCode methods for the two object do hamiş have to return different values.

So, I am apparently wrong bey unequal objects may have equal hash codes. But isn't GetHashCode returning a somewhat randomly distributed grup C# IStructuralEquatable Kullanımı of values a requirement?

Ancak, articles1 ve articles3 dizileri aynı makale esaslıklarına farklı sıralarda mevla olduğundan, CompareTo metodu farklı bir kırat döndürür ve bu dizilerin strüktürel olarak denktaş olmadığını belirtir.

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

This member is an explicit interface member implementation. It kişi be used only when the Array instance is cast to an IStructuralEquatable interface.

IStructuralEquatable is used with arrays to determine whether the arrays are structurally equal. The StructuralEqualityComparer.Equals method is used for this purpose.

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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 derece mutually exclusive.