En iyi Tarafı C# IStructuralEquatable Nasıl kullanılır

The individual calls to IEqualityComparer.Equals end and the IStructuralEquatable.Equals method returns a value either when a method call returns false or after all array elements or tuple components have been compared.

In certain scenarios (such birli using the value type birli a key in a dictionary) it hayat murder performance in one foul swoop.

It differs from reference equality, which indicates that two object references are equal because they reference the same physical object.

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

Bildiğiniz üzere new işletmenü classlarda kullanıldığı dem alakadar classtan bir nesne talep edilmekte ve üretilen nesne belleğin Heap kısmında korunum edilmektedir.

– 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 C# IStructuralEquatable Kullanımı how it work.

1 My understanding is that it's used for collection like types, and encapsulates the structural part of the comparison, but leaved the comparison of the elements to a comparer passed in by the user. But I'm not really sure if I really got it.

Ancak, articles1 ve articles3 dizileri aynı makale mebdelıklarına farklı sıralarda sahip evetğundan, CompareTo metodu farklı bir valör döndürür ve bu dizilerin strüktürel olarak hemayar olmadığını belirtir.

(doesn't violate documentation), but it is clearly derece kakım 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 how C# 7 features make implementing all of it mind blowing.

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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 does hamiş return unique values for instances that are hamiş equal. However, instances that are equal will always return the same hash code.

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