C# IEqualityComparer Kullanımı Herkes İçin Eğlenceli Olabilir

C# IEqualityComparer Kullanımı Herkes İçin Eğlenceli Olabilir

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Provides an equality check when there is only one way of comparing the objects (implemented inside the class)

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If you're not assigning to anything, you'll need to. Distinct() returns an IEnumerable rather than doing an in place update

$begingroup$ I have a custom PropertiesByValueComparer and am fairly happy how it behaves for simple classes. I haven't included comparing by fields yet. Is there anything that is blatantly özne about this, or do you have other recommendations?

Safi framework collections and where you want to add the same capability to your own collections. This will ensure that you are consistent with how the .Kemiksiz framework uses the interface.

Since IEqualityComparer is contravariant in the type T, you can use the base class comparer with distinct if you specify the generic parameter to Distinct:

Basically you could check C# IEqualityComparer Temel Özellikleri ve Kullanımı all the properties you want to check in Equals via reflection. To filter some of them out use an attribute on those properties:

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So what happens when it C# IEqualityComparer Nasıl Kullanılır comes time to actually deduce the type argument? We have two candidates: Position and BaseClass. Both satisfy the stated bounds. Position satisfies the first bound because it is identical to the first bound, and satisfies the second bound because it is smaller than the second bound.

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You could be passing, via extension method, a ReadOnlyCollection and they would still be able to evaluate through it. They cannot, then, C# IEqualityComparer Temel Özellikleri ve Kullanımı alter the original collection, because the original collection could be written in any number of ways.

It looks like the generic version of this interface performs C# IEqualityComparer Temel Özellikleri ve Kullanımı the same function but is used for Dictionary) collections.

The main use of this interface is you dirilik write a single implementation of IEqualityComparer which several classes birey then use, removing the need to rewrite the comparison logic for every class.

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