C# IStructuralComparable nerelerde kullanılıyor Sırları

C# IStructuralComparable nerelerde kullanılıyor Sırları

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It is used by the third example bey an argument to the Equals(Object, IEqualityComparer) method of the IStructuralEquatable interface that tuples implement. 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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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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In this case you don't want to change your class implementation so you don't wantoverride the Equals method. this will define a C# IStructuralComparable nedir general way to compare objects in your application.

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

Properties StructuralComparer Gets a predefined object that performs a C# IStructuralComparable Temel Özellikleri structural comparison of two objects.

The mere fact that it's an interface separates the implementation C# IStructuralComparable nedir of the interface from its definition, and allows you to substitute different implementers.

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While they are "logically" non-nullable, there is still a way to get a null value at runtime - so a null check is required to avoid a NullReferenceException. C# IStructuralComparable nedir Furthermore, you have to ensure the backwards compatibility with assemblies compiled with C#7.x and below - IComparable perfectly allows null for Ts that are reference types.