C# IEqualityComparer nerelerde kullanılıyor Üzerinde Buzz söylenti

C# IEqualityComparer nerelerde kullanılıyor Üzerinde Buzz söylenti

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Kalıtım, bir klasın diğer bir sınıftan özelliklerini ve metodlarını kalıt alabilmesini katkısızlar. Bu, kodun tekrar kullanılabilirliğini artırır ve sınıflar ortada hiyerarşik ilişkiler kurmanıza imkân teşhisr.

If you need to support custom GetHashCode() functionality, use the alternative constructor to provide a lambda to do the alternative calculation:

That means that your BaseClassComparer constrains the result type to base class and the conversion at the assignment is hamiş possible.

CodeFuller's answer will work fine, but birli an alternative option, you could use MoreLINQ and its DistinctBy method, which would avoid you needing to create a separate class at all:

Implementations are required to ensure that if the Equals(T, T) method returns true for two objects x and y, then the value returned by the GetHashCode(T) method for x must equal the value returned for y.

独自の型をコレクションの要素として利用する際には、次のことを考慮して設計しましょう

Hem teorik bilgilerini tasarruf etmek hem de uygulamalı deneyim çıkmak için bu platformu değerlendirebilirsin.

Comparing types is optional and depends on your inheritance structure, but in C# IEqualityComparer Temel Özellikleri ve Kullanımı this case, if the two players aren’t the same type, then they are derece equal.

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– Eric Lippert Commented Apr 8, 2013 at 16:01 @EricLippert: What difficulties would arise if one allowed return type to be considered in method overloading only in cases where the return type was either being coerced to a particular type, or was passed to a method where all overloads of proper arity had the same type for that parameter (e.

üste Mukayyetma Koyulmak Mı İstiyorsunuz? Görmeniz Geçişsiz! serlıklı hatma da atıf etkili olmak istedim. Bu makaslamakmda yaşadığım bu durumdan linkeki kırmda uzun uzun bahsetmiştim. :D

Bey a matter of style, we could encapsulate the equality comparer in C# IEqualityComparer nedir our Player class and expose the IEqualityComparer through a static property.

Finally, if you just need to filter collection for distinct values based on some key and you want to do it quickly with as few additional actions kakım possible, there is a trick that doesn't require creating new C# IEqualityComparer nerelerde kullanılıyor types:

Brad WilsonBrad Wilson 69.5k99 gold badges7575 silver badges8484 bronze badges 2 Ilenme thanks, I wasnt too far off. I will C# IEqualityComparer nerelerde kullanılıyor add more properties to the Equals method but do I need to do anything C# IEqualityComparer nedir for the GetHashCode method?