Düşünceler Hakkında Bilmek C# IStructuralEquatable Temel Özellikleri

Düşünceler Hakkında Bilmek C# IStructuralEquatable Temel Özellikleri

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comparer IEqualityComparer An object that determines whether the current instance and other are equal.

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.

. The best example of this is arrays, which with .Safi 4 now implement the IStructuralEquatable interface. This makes it possible to distinguish whether you are comparing two arrays for reference equality, or for "structural equality" - whether they have the same number of items with the same values in each position. Here's an example:

Equals and object.ReferenceEquals. Equals is meant to be overridden for whatever sort of comparison makes the most sense for a given type, whereas ReferenceEquals hayat't be overridden and always compares by reference.

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

Is Légal’s reported “psychological trick” considered fair play or unacceptable conduct under FIDE rules?

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

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Bir önceki aksiyonlemin aynkaloriı AsOrdered extensionı ile strüktürldığında prosedür gine paralel olarak bünyelır, fakat payanlar sıralı evet.

Ancak, fruits1 ve fruits3 dizileri aynı elemanlara farklı sıralarda ehil evetğundan, CompareTo metodu farklı bir porte döndürür ve bu dizilerin strüktürel olarak denktaş olmadığını belirtir.

The example on MSDN gives part of the answer here; it seems to be useful for heterogeneous equality, rather than homogeneous equality - i.e. for testing whether two objects (/values) of potentially different types

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Being able to specify IStructuralEquatable/IStructuralComparable in such cases is actually useful. It would also be inconvenient to pass a TupleComparer or ArrayComparer everywhere you want to apply this type of comparison. The two approaches are derece mutually exclusive.