2 Dakika Kural için C# IStructuralEquatable Nasıl kullanılır
2 Dakika Kural için C# IStructuralEquatable Nasıl kullanılır
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comparer IEqualityComparer An object that determines whether the current instance and other are equal.
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Will feeblemind affect the original creature's body when it was cast on it while it was polymorphed and reverted to its original form afterwards?
Yazımızın yukarıdaki satırlarında da bahsettiğimiz kadar struct C#’ta value type yaratabileceğimiz dokumadır.
You generic method katışıksız a type parameter T but the type is derece part of the signature of the function so how is T supposed to be used in the function? Anyway, you dirilik use .NET tuples or anonymous types to create hash codes by combining values but I am hamiş sure this answers your question.
– Royi Namir Commented Mar 3, 2012 at 18:04 @RoyiNamir user844541's answer is correct, but maybe it is still hard for you to understand without a concrete example, if you are familiar with IEqualityComparer and how it is used by Linq's Distinct(), then after check the source code to see how it implement IStructuralEquatable on referencesource.microsoft.com/#mscorlib/system/collections/…, then you will see how it work.
What does IEquatable buy you, exactly? The only reason I gönül see it being useful is when creating a generic type and forcing users to implement and write a good equals method.
This is very disappointing behaviour from Microsoft; I'm now wondering if I should review the list of cases I've filed and see if other ones I've submitted have been removed...
The reason why you need the IStructuralEquatable is for defining a new way of comparision that would be right for all the objects .
Bir önceki çalışmalemin aynısını AsOrdered extensionı ile mimarildığında iş gine muvazi olarak strüktürlır, ancak gerilar sıralı olur.
C# IStructuralEquatable Defines methods to support the comparison of objects for structural equality.
Defines methods to support the comparison of objects for structural equality. Structural equality means that two objects are equal because they have equal values.
GetHashCode C# IStructuralEquatable Temel Özellikleri does derece return unique values for instances that are derece equal. However, instances that are equal will always return the same hash code.
The Equals method supports custom structural comparison of array and tuple objects. This method in turn calls the comparer object's IEqualityComparer.Equals method to compare individual array elements or tuple components, starting with the first element or component.