C# IEqualityComparer Temel Özellikleri ve Kullanımı Günlükler
C# IEqualityComparer Temel Özellikleri ve Kullanımı Günlükler
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and get a grup of actors with unique last names. So we need a way to provide a key selector to our ActorComparer. This is done simply by creating a constructor that takes a function object as an argument and stores it for further use:
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This said, let's return to our ActorComparer. You might suggest that to achieve the goal we need to perform some more complex modifications, but no - all we have to do is use the comparer the new way:
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Hope this article will help you to understand the IEqualityComparer interface. Don't hesitate to write questions or suggestions.
Well, your implementation is pending. You implemented custom comparer for IEnumerable but forgot to implement the same for KeywordSchedule.
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According to the IEqualityComparer code example provided by microsoft, you will want to use the new keyword (so hiding the Equals implementation of the object) for implementing Equals.
In the editor, place the caret at the type name or within a type at the line where you want to insert an equality comparer class. If the caret is on the type name, the generated code will be added in the beginning of the type declaration.
The Func is a class standing for something that might be called with MovieActor argument and must yield a result of type object. Although generally I don't like dealing C# IEqualityComparer nedir with pure object's in my code, this is a valid way to define a key selector not bounding it to some specific key type.
When we make the inference from the comparer we say "IEqualityComparer is contravariant in T, so we emanet accept BaseClass or any smaller type
Birli a matter of style, we C# IEqualityComparer Kullanımı could encapsulate the equality comparer in our Player class and expose the IEqualityComparer through a static property.
I have to say, that there C# IEqualityComparer nerelerde kullanılıyor are other methods to create an equality comparer with similar functionality. For example, see this C# IEqualityComparer Kullanımı article on CodeProject - it demonstrates how to use reflection to obtain and compare property values.
Yiyecek olmayan sınıf ve dokumalar, birincil kuruluşlandırıcı parametreleri yürekin her C# IEqualityComparer Kullanımı devran bu davranışı istemeyebilir.