5 Basit Teknikleri için C# IStructuralEquatable nerelerde kullanılıyor

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If two objects compare kakım equal, the GetHashCode method for each object must return the same value. However, if two objects do derece compare birli equal, the GetHashCode methods for the two object do derece have to return different values.

In this case you don't want to change your class implementation so you don't wantoverride the Equals method. this will define a general way to compare objects in your application.

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IStructuralComparable arayüzü, ekseri Array ve Tuple kadar veri bünyeları tarafından uygulanır. Bu data dokumaları, elemanlarının sıralamasını ve yapısını dikkate alarak karşıtlaştırma yapar.

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

I never put much thought into using a struct over a class or even additional optimizations because to me the struct was optimized already. When I was working on fixing a bug in our DeviceDisplay to not trigger new events unless a value changed a whole new world opened up to me.

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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.

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

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There is no need for an equality operator that accepts different types. That should hamiş even compile. So this is a very weak excuse for having a non-generic interface that works with objects.

However, this is derece so great if you are using the struct in a dictionary kakım my good friend Dustin mentioned to me because a Dictionary will always use the object version of Equals, C# IStructuralEquatable Temel Özellikleri which falls back to boxing :(