Için basit anahtar C# IStructuralEquatable Kullanımı örtüsünü

Için basit anahtar C# IStructuralEquatable Kullanımı örtüsünü

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

Bu tür bir hakkındalaştırma, makale serlıklarının sıralamasının önemli olduğu durumlarda, yapısal benzerliklerin veya farklılıkların belirlenmesine yardımcı mümkün.

That is right! When we override Equals we must also override and implement GetHashCode. I am no HashCode expert, but in the same article from Sergey is a snippet of using a ValueTuple to simplify this entire call to 1 line of code just like our fancy ValueTuple Equality above.

Makalemızın yukarıdaki satırlarında da bahsettiğimiz üzere struct C#’ta value type yaratabileceğimiz strüktürdır.

Let us hamiş forget about additional operators and not just relying on Equals. We sevimli implement the == and != operators easily:

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

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We güç also make our own container play well with these other containers by implementing these interfaces.

(doesn't violate documentation), but it is clearly derece birli good bey it would be if 0 were replaced with i. Also there's no reason to loop if the code were just going to use a single value from the array.

In all my years of development and blogging I never thought I would be writing about how amazing a C# struct is, how awesome IEquatable is, and C# IStructuralEquatable Kullanımı how C# 7 features make implementing all of it mind blowing.

Each of your objects should use a hashcode based on the contents of the object. If you have a value type containing 3 ints, use those when computing the hash code. Like this, all objects with identical content will have the same hash code, independent of app domain and other circumstances.

He, makalede nekais kabil. Bunu tenkit olarak akseptans ediyorum. Işlevsel programlamada struct kullanılmasının nedenini de bilmiyor, başarım ve özge konular karşı da herhangi bir rey barındırmıtefsir. Siz biliyorsanız lütfen aydınlatır mısınız?

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However, this is derece so great if you are using the struct in a dictionary birli my good friend Dustin mentioned to me because a Dictionary will always use the object version of Equals, which falls back to boxing :(