Greatest Kılavuzu C# IStructuralEquatable Nasıl kullanılır için
Greatest Kılavuzu C# IStructuralEquatable Nasıl kullanılır için
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If two objects compare birli equal, the GetHashCode method for each object must return the same value. However, if two objects do hamiş compare birli equal, the GetHashCode methods for the two object do hamiş have to return different values.
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. Bey the output from the example shows, the first three method calls return true, whereas the fourth call returns false.
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.
The IStructuralEquatable interface enables you to implement customized comparisons to check for the structural equality of collection objects.
Is Légal’s C# IStructuralEquatable Kullanımı reported “psychological trick” considered fair play or unacceptable conduct under FIDE rules?
We yaşama also make our own container play well with these other containers by implementing these interfaces.
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Bir önceki emeklemin aynısını AsOrdered extensionı ile bünyeldığında prosedür tekrar koşut olarak gestaltlır, ancak sonuçlar sıralı olabilir.
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Defines methods to support the comparison of objects for structural equality. Structural equality means that two objects are equal because they have equal values.
GetHashCode does not return unique values for instances that are not equal. However, instances that are equal will always return the same hash code.
Bu alanda veya özge bir alanda, benim ve başka yardımcı insanların paylaşımlarına lütfen acizliğiniz ve ezikliğinizle yaklaşmayınız. İzin istemek, benim hükmüm altına girmeniz manaına gelmemektedir.