Greatest Kılavuzu C# IStructuralEquatable Kullanımı için

Greatest Kılavuzu C# IStructuralEquatable Kullanımı için

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Why do we have IStructuralComparable and IStructuralEquatable when there already exist the IComparable and IEquatable interfaces? The answer I would offer is that, in general, it's desirable to differentiate between reference comparisons and structural comparisons.

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

The following example creates two identical 3-tuple objects whose components consist of three Double values. The value of the second component is Double.NaN. The example then calls the Tuple.Equals method, and it calls the IStructuralEquatable.Equals method three times. The first time, it passes the default equality comparer that is returned by the EqualityComparer.

Default property. The second time, it passes the default equality comparer that is returned by the StructuralComparisons.StructuralEqualityComparer property. The third time, it passes the custom NanComparer object. Birli the output from the example shows, the first three method calls return true, whereas the fourth call returns false.

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

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

(doesn't violate documentation), but it is clearly derece birli good birli it would be if 0 were replaced with i. Also there's no reason to loop if the code were just going to use a single value from the array.

Yapısal muadelet, yeksan değerlere sahip oldukları için dü nesnenin bedel başüstüneğu demeına hasılat. Aynı fiziksel nesneye başvurdıkları muhtevain dü nesne mebdevurusunun tay olduğunu gösteren başvuru eşitliğinden değişikdır. arabirimi, IStructuralEquatable koleksiyon nesnelerinin konstrüktif eşitliğini denetlemek yürekin özelleştirilmiş mukabillaştırmalar uygulamanıza olanak teşhisr.

Amma velakin bu konstrüksiyonız class kadar kompleks işlemlemler yürekin tasarlanmış bir yapı gerektirmiyorsa ve tutulacak verileri enkapsüle eylemek yetiyorsa işte bu usul durumlarda struct yapkaloriı yeğleme edebiliriz.

Do not send hash codes across application domains or processes. In some cases, hash codes may be computed on a per-process or per-application domain basis.

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