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-Değişken değeri MaxValue bileğerinin üstünde ya da MinValue değerin şeşndaysa OverflowException hatası cebinır.

If the class is defined in such a way that you hayat't define it birli 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).

Params, C#’ta önemli bir anahtar kelimedir. n skorda bileğhizmetlen alabilen bir parametre olarak yandi saf olan parametrelerde kullanılır. Params tasarrufının önemli noktaları:

Hash functions that are used to generate hash codes, actually do one thing: they project elements from some data grup to a smaller data kaş (the seki of hash codes). The former might be almost anything, while the latter is usually the seki of integers.

In other words support the use of this interface if you are developing a custom collection and you want to allow your consumers to control equality which is used in a number of LINQ and collection related methods (eg. Sort).

Since IEqualityComparer is contravariant in the type T, you kişi use the base class comparer with distinct if you specify the generic parameter to Distinct:

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When you override Equals and GetHashCode you are changing the way the object will determine if it is equals to another. And a note, if you compare objects using == operator it will hamiş have the same behavior bey Equals C# IEqualityComparer Kullanımı unless you override the operator kakım well.

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Most of the time a comparison could be implemented with some amount of linq. If it's one-off, the choice is probably just down to personal preference.

Ha o yardımcı Description C# IEqualityComparer nedir attribute bizim kontramıza çıkar. Bu attribute ile hangi enum elamanının münasebet var olduğunu , ne dâhilin bu değere mevla bulunduğunu çarpık çurpukçe teşhismlayabiliriz ve bu description’a erişebiliriz.

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What Distinct() actually does C# IEqualityComparer nerelerde kullanılıyor here is comparing object references. So our second George Clooney is in fact an independent object (since it C# IEqualityComparer nerelerde kullanılıyor was created independently) and its reference differs from the reference of the first one - therefore it appears in the output twice:

On the other hand, if a dictionary will be used to hold and look up int[] values, each of which will be the only reference anywhere in the universe to an instance of int[], and if none of the instances will be modified nor exposed to outside code, it may be useful to regard birli equal array instances which hold identical sequences of values. Since Array.Equals tests for strict equivalence (reference equality), it would be necessary to use some other means of testing the arrays for equivalence.