C# IEqualityComparer nerelerde kullanılıyor Üzerinde Buzz söylenti

Microsoft'un uygulayım bilimi profesyonelları ciğerin sunmuş olduğu muteber bir ortam olan Channel 9’da bucak meydan Jump Start serisi, C# programlama dili öğrenmek isteyenler midein harika bir menşetır.

This way, you dirilik implement a sınav that fails if any properties are added. Of course, you'd have to add new properties to the array at the beginning. Birli using reflection is an expensive operation from a performance point of view, I'd propose to use it in the test, not in the comparer itself if you need to compare lots of objects.

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This was a point of some debate and there are arguments on three sides: choose the more specific of the types, choose the more general of the types, or have type inference yapan. I will not rehash the whole argument but suffice to C# IEqualityComparer Kullanımı say that the "choose the more general" side won the day.

Params anahtar lügat kullanımını gösteren dümdüz bir yetişek yapalım. Parametre olarak int tipinde bir sekans alacaktır.

Basically you could check all the properties you want to check in Equals via reflection. To filter some of them out use an attribute on those properties:

You could possibly C# IEqualityComparer Nasıl Kullanılır create a GenericComparer with a generic parameter which is constrained to be at least of base class which might get you closer to what you are trying to do. This would look like

public int x get; seki; public string y get; takım; public string z get; C# IEqualityComparer Temel Özellikleri ve Kullanımı kaş; public string w get; seki;

Eric's C# IEqualityComparer Temel Özellikleri ve Kullanımı answer explains the root cause of the whole issue (in terms of covariance and contravariance).

Oldu o C# IEqualityComparer nedir yardımcı Description attribute bizim zıtmıza çıkar. Bu attribute ile ne enum elamanının niçin var olduğunu , ne dâhilin bu bileğere sahip bulunduğunu yalın katçe teşhismlayabiliriz ve bu description’a erişebiliriz.

Isn't it problematic to look at the data to decide to use a parametric vs. non-parametric test? more hot questions

So now we know how to use IEqualityComparer with LINQ and not make a mess of it. I hope this helps. However, I would like to push our ActorComparer a little further. Kakım you might know, LINQ başmaklık an OrderBy(..) extension method that allows us to sort a collection according to some key.

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