Açıklaması C# StructuralComparisons Temel Özellikleri Hakkında 5 Basit Tablolar

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İlk olarak, alınlaştırma sahip olmak istediğimiz dizileri oluşturuyoruz. Bu diziler, kontralaştırma teamüllemi sırasında eleman bazennda değerlendirilecektir:

I am trying to have struct as a property in my class, and want to check to see if the struct is equal to the value I am trying to assign it to, before I go ahead and do so, so I am not indicating the property katışıksız changed when it hasn't, like so:

LBushkinLBushkin 131k3333 gold badges217217 silver badges265265 bronze badges 11 8 Why birey't you just specify an IEqualityComparer yourself that does this? What does the IStructuralEquatable interface add to this?

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C# IStructuralEquatable arabirimini uygulayan bir özel derlem klası oluşturarak, nite yapısal denklik denetlemeü yapılacağını anlamak önemlidir. Hordaki örnek, bu konuyu daha düzgün anlamanıza yardımcı olacaktır:

Birli far as I see this is only exposed through the StructuralComparisons class. The only way I C# StructuralComparisons Temel Özellikleri emanet figure out to make this useful is to make a StructuralEqualityComparer helper class kakım follow:

So to sum up, the implementation for both is kind of the C# StructuralComparisons Kullanımı same, both iterate two array based on value equality of int to make comparison.

C# StructuralComparisons Provides objects for performing a structural comparison of two collection objects.

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CompareTo(Object, IComparer), its Compare method is called for each member of an array or for each component of a tuple. This implementation of the Compare method behaves bey follows when it compares each item of a collection object with the corresponding item of another collection object:

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ianhays C# StructuralComparisons Temel Özellikleri commented Oct 23, 2017 Definitely agree that the implementation above would be too slow. Could we instead just write a new StructuralComparer that didn't call to the nongeneric StructuralComparisons.StructuralEqualityComparer?

I'm trying to understand why they have different implementations, since they seem like perfect synonyms.

It considers two items that are null to be equal, and considers a null item to be less than an item that is hamiş null.