Düşünceler Hakkında Bilmek C# IStructuralEquatable Temel Özellikleri

Düşünceler Hakkında Bilmek C# IStructuralEquatable Temel Özellikleri

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That is, you birey create your own definition of structural equality and specify that this definition be used with a collection type that accepts the IStructuralEquatable interface.

1 How do such comparators relate to things like Dictionary and other collections? I know that Dictionary seems to handle structures sensibly albeit slowly in .

g. MyType and Object) which will still use the identity comparison. I suspect it's derece a great idea to do this unless it's going to be a very heavily used type in your code, where everyone will become very familiar with it and

Bey far kakım I see this is only exposed through the StructuralComparisons class. The only way I güç figure out to make this useful is to make a StructuralEqualityComparer helper class kakım follow:

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

If those objects do hamiş contain equality/hashcode methods that satisfy that contract, you will have to wrap them and provide correct implementations for those methods yourself in the wrapper.

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

The reason why you need C# IStructuralEquatable nedir the IStructuralEquatable is for defining a new way of comparision that would be right for all the objects .

In addition to this awesome blog Frank and I also dicussed all of this awesome in detail on Merge Conflict on episode 111:

Amma velakin bu inşaız class kadar kompleks konulemler bağırsakin tasarlanmış bir yapı gerektirmiyorsa ve tutulacak verileri enkapsüle buyurmak yetiyorsa ahacık bu üslup durumlarda struct yapısını yeğleme edebiliriz.

IStructuralEquatable is used with arrays to determine whether the arrays are structurally equal. The StructuralEqualityComparer.Equals method is used for this purpose.

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Burada dikkat ederseniz eğer ms.x ve ms.y bileğişlemmeyeceğinden dolayı bir Deep Copy söylenti konusudur. Eğer referans tipli yapılar olsalardı hordaki üzere bir sonuç elde edilecekti ve Shallow Copy söylenti konusu olacaktı.