En iyi Tarafı C# IStructuralEquatable nerelerde kullanılıyor

En iyi Tarafı C# IStructuralEquatable nerelerde kullanılıyor

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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.

Bu tür bir karşıtlaştırma, makale mirlıklarının sıralamasının önemli evetğu durumlarda, konstrüktif benzerliklerin yahut değişiklıkların belirlenmesine yardımcı olabilir.

That is right! When we override Equals we must also override and implement GetHashCode. I am no HashCode expert, but in the same article from Sergey is a snippet of using a ValueTuple to simplify this entire call to 1 line of code just like our fancy ValueTuple Equality above.

IStructuralComparable arayüzü, ekseriyetle Array ve Tuple kabil data yapıları tarafından uygulanır. Bu muta dokumaları, elemanlarının sıralamasını ve yapısını dikkate alarak mukabillaştırma yapar.

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

The following example defines a NanComparer class that implements the IStructuralEquatable interface. It compares two Double or two Single values by using the equality operator. It passes values of any other type to the default equality comparer.

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

The first issue we see here is that this struct is mutable in that you güç actually change the veri later on via the takım properties. There was no real reason that we introduced this except that we were used to it.

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C# IStructuralComparable Determines whether the current collection object precedes, occurs in the same position birli, or follows another object in the sort order.

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 yaşama just compare each of them":

Is there any yasal justification for C# IStructuralEquatable nerelerde kullanılıyor content on the web without an explicit licence being freeware? more hot questions

Specifically, I do derece know the exact type of the object. The only assumption I make is that it inherit from IStructuralEquatable.