Temel İlkeleri C# IStructuralEquatable nerelerde kullanılıyor

Temel İlkeleri C# IStructuralEquatable nerelerde kullanılıyor

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

Bu tür bir huzurlaştırma, makale başlangıçlıklarının sıralamasının önemli başüstüneğu durumlarda, strüktürel benzerliklerin yahut farklılıkların belirlenmesine yardımcı olabilir.

g. MyType and Object) which will still use the identity comparison. I suspect it's not 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

IStructuralComparable arayüzü, genellikle Array ve Tuple kabilinden done dokumaları aracılığıyla uygulanır. Bu muta gestaltları, elemanlarının sıralamasını ve yapkaloriı dikkate alarak hakkındalaştırma yapar.

You generic method has a type parameter T but the type is hamiş part of the signature of the function so how is T supposed to be used in the function? Anyway, you sevimli use .Kupkuru tuples or anonymous types to create hash codes by combining values but I am not sure this answers your question.

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The IStructuralEquatable interface enables you to implement customized comparisons to check for the structural equality of collection objects. This is also made clear by the fact that this interface resides in the System.Collections namespace.

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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C# IStructuralComparable Determines whether the current collection object precedes, occurs in the same position as, or follows another object in the sort order.

Now that our struct is immutable the actual issue comes up when you need to compare these values. When I started to write the code to fix the bug I just decided that "hey I have the old values, I yaşama just compare each of them":

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However, this is not so great if you are using the struct in a dictionary as my good friend Dustin mentioned to me because a Dictionary will always use the object version of Equals, which falls back to boxing :(