C# IEqualityComparer Temel Özellikleri ve Kullanımı Üzerinde Buzz söylenti

C# IEqualityComparer Temel Özellikleri ve Kullanımı Üzerinde Buzz söylenti

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Saçma olduğu karınin bu örneği hiç yazmayacaktım ama hem istedikten sonrasında bir şekilde istediğimizi elde edebileceğimizi hemde “her mevsim daha gücük yolu vardır” anlayışını görevlendirmek dâhilin çkırmızııştırıp geçirmek istedim.

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

Varsayılan katlaştırıcı, IComparable arabirimini uygulamak dâhilin kontralaştırılan nesnelerden en az birini kullanır . Liste koleksiyonunda şayan olarak yahut namzetk koleksiyonunda anahtar olarak kullanılan bütün sınıflarda IComparable uygulamak elleme bir uygulamadır. Umumi bir derme derunin, muadelet içinlaştırması aşağıdakilere bakılırsa belirlenir:

When writing programs in C# with the help of LINQ I have come across the IEqualityComparer generic interface several times. The name conveys the purpose of the interface clearly, still, surprisingly, my first attempts to apply it were marked by strong confusion - the thing merely didn't work the way I wanted it to. Moreover, after going to Google and StackOverflow I have noticed that I'm hamiş the only one to face difficulties with it.

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

Photo by Moosa Haleem Equality might seem straightforward, but it tends to get fuzzier the longer you think C# IEqualityComparer Temel Özellikleri ve Kullanımı about it. When it comes to programming, there are two general thoughts around equality.

Where did the pronunciation of the word "kilometer/kilometre" kakım "kl OM iter" C# IEqualityComparer nedir rather than "KILL o meeter" originate?

Selam arkadaşlar ilk Medium makalemda sizler midein IEqualityComparer Interface’i tam olarak napıyor C# IEqualityComparer nedir ve nasıl kullanılıyor elimden geldiğrakik yazmaya çkırmızıışacağım.

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What would you expect the type of positions to be? Bey compiler deduces from argument given to Distinct which implements IEqualityComparer, the type of the expression is IEnumerable.

I sevimli also make an IEqualityComparer for a "parent class" and use on classes that inherit. I güç have comparer that will behave in a different way, I hayat make one to compare Value instead of Key.

So I'm not 100% clear why you need the extra comparer. Just the single comparer should be sufficient.

Finally, if you just C# IEqualityComparer Temel Özellikleri ve Kullanımı need to filter collection for distinct values based on some key and you want to do it quickly with birli few additional actions as possible, there is a trick that doesn't require creating new types:

The result is the same bey when using the first version of ActorComparer, although the new one is much more flexible in the sense that it may be used differently in different contexts and no further modifications are required to its code.