C# IEqualityComparer nerelerde kullanılıyor Üzerinde Buzz söylenti

C# IEqualityComparer nerelerde kullanılıyor Üzerinde Buzz söylenti

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The last statement basically means that in case we rely on Equals(..) method we could calculate hash based only on the last name and the result will still be the same:

If you want a generic solution that creates an IEqualityComparer for your class based on a property (which acts as a key) of that class have a look at this:

Temel komut satırı icraatından kompleks işçiliklevselliklere iye taşıtlara denli her şeyi C# ile tasarlayabilirsin.

 

Notice that I didn't have to override Equals, GetHashCode in neither of the classes. I kişi use this comparer in any object that implements ICustom without having to rewrite the comparison logic.

Scroll down to the part on KeyEqualityComparer and especially the part on the importance of GetHashCode. There is a whole discussion on why obj.GetHashCode(); (bey suggested by DMenT's post) is wrong and should C# IEqualityComparer Nasıl Kullanılır just return 0 instead.

However you should have some good pre-checks within GetHashCode to avoid unneccessary calls to this slow method.

RESTful web servisleri yahut SOAP tabanlı servisler oluşturarak diğer uygulamalarla etkileşimde bulunabilirsin.

Xamarin kabil platformlar sayesinde C# dilini kullanarak hem iOS hem bile Android muhtevain native hareketli icraat tasarlayabilirsin.

LeeLee 143k2020 gold badges238238 silver badges289289 bronze badges Add a C# IEqualityComparer Temel Özellikleri ve Kullanımı comment  

I think the other post you C# IEqualityComparer Temel Özellikleri ve Kullanımı mention is saying that EqualityComparer implements IEqualityComparer and IEqualityComparer, so you don't have to implement both the generic and C# IEqualityComparer Nasıl Kullanılır non-generic interfaces if you derive from EqualityComparer.

Good news is that this same Distinct() method works for collections of our custom objects too. So if George Clooney accidentally creeps into our collection twice that's derece a problem:

However, choosing the more specific type Giraffe: return value hayat implicitly be cast to a larger type Animal if needed; and a return type of IEnumerable implicitly casts to IEnumerable. And that's the most used variant interface. I wonder why the more general type was chosen?

I'm glad the post was of some value to C# IEqualityComparer nerelerde kullanılıyor you. If you are looking to avoid common problems arising with LINQ, you may also like my post diving into what deferred nature of some LINQ methods means to a programmer: [^]