C# IEqualityComparer nedir Temel Açıklaması

C# IEqualityComparer nedir Temel Açıklaması

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Also it is unclear why GetHashCode takes only value properties into account. Even though it will definitely work but looks a little bit strange. Maybe you should add a comment why class properties

C# programlarında doğru tipleri kullanarak, kafa yönetimi ve bilgi manipülasyonunu daha uz anlayabilir ve elan koygun kodlar yazabilirsiniz.

The CompareTo method would be the default way of ordering your User class, perhaps comparing by Name. If you then decided that you wanted to sort a list of User objects by another property, say Age, you could write a class that implemented IComparer instead of altering CompareTo inside User. This would perform the custom sorting, for example:

Hamiş surprisingly, the program prints out our list of actors and despite Mr. Clooney's excellency he is mentioned only once there:

I particularly feel that the GetHashCode() could do with some improvement, because it doesn't give unique values for objects with different reference objects nested further.

D StanleyD Stanley 152k1111 gold badges181181 silver badges249249 bronze badges 1 Thank you for detailed C# IEqualityComparer nedir explanation.

The issue here is that comparing floating-point numbers for equality might hamiş work as expected, due to minute rounding errors. There are different C# IEqualityComparer Temel Özellikleri ve Kullanımı methods of comparing floating-point numbers for near-equality

$begingroup$ I have made some modifications, and am curious birli to what the best strategy for showing them would be? replace the original codeblock, or add underneath? $endgroup$

In the editor, place the caret at the type name or C# IEqualityComparer Nasıl Kullanılır 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.

 

Birli we can see, to satisfy the interface, we need to implement two methods: Equals and GetHashCode. Additionally, we need to take note that this interface is a contravariant interface.

Now, think of a field or fields that differentiate our class, ID for example. IEqualityComparer helps you to C# IEqualityComparer nedir manage and improve the efficiency

No property will be added at runtime. I only want to ensure that nobody modify this class without make some sınav red. We are hundreds in the team and some guy could modify the class without notice side effects.

By 'internalization', you want the comparison logics to be an inherent part of the class - after all, C# IEqualityComparer nerelerde kullanılıyor each derived class will have the comparison logics by default! So chances are that you want to tweak your örnek a bit? yes? no?