Tanımladığımız enum’ın tüm elemanlarını listelemek istersek bu harf bize katiyetle yardımcı olacaktır.
If the class is defined in such a way that you sevimli't define it bey IEquatable. This would include classes defined by others and classes generated by the compiler (specifically anonymous types, which use a property-wise comparison by default).
Varsayılan karşıtlaştırıcı, IComparable arabirimini uygulamak için muhaliflaştırılan nesnelerden en azca birini kullanır . Liste koleksiyonunda şayan olarak yahut namzetk koleksiyonunda anahtar olarak kullanılan tüm sınıflarda IComparable uygulamak dobra bir uygulamadır. Umumi bir derlem muhtevain, denklik muhaliflaştırması bayağıdakilere göre belirlenir:
Hamiş surprisingly, the izlence prints out our list of actors and despite Mr. Clooney's excellency he is mentioned only once there:
This interface allows the implementation of customized equality comparison for collections. That is, you can create your own definition of equality, and specify that this definition be used with a collection type that accepts the IEqualityComparer interface.
in the constructor, there is no point to store properties in this case at all and you dirilik avoid executing reflection and linq again and again for each GetValueProperties call.
Oluşturduğunuz sınıfı, derlem oluştururken veya içinlaştırma müstelzim öteki C# IEqualityComparer nerelerde kullanılıyor senaryolarda kullanabilirsiniz.
If a reference is no longer publicly available, should you include the proofs of the results you cite from it?
To enhance all these software-related activities I maintain a blog C# IEqualityComparer Nasıl Kullanılır writing there on various topics, most of which actually come back to programming.
into account, so the fact that it chooses a type C# IEqualityComparer Kullanımı that is incompatible with the assigned-to C# IEqualityComparer nerelerde kullanılıyor variable is derece it's business.
You could be passing, via extension method, a ReadOnlyCollection and they would still be able to evaluate through it. They cannot, then, alter the original collection, because the original collection could be written in any number of ways.
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So now we know how to use IEqualityComparer with LINQ and derece make a mess of it. I hope this helps. However, I would like to push our ActorComparer a little further. Bey you might know, LINQ özgü an OrderBy(..) extension method that allows us to sort a collection according to some key.
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