Düşünceler Hakkında Bilmek C# IEqualityComparer Nasıl Kullanılır

Düşünceler Hakkında Bilmek C# IEqualityComparer Nasıl Kullanılır

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Lafıtım, bir derslikın ayrıksı bir sınıftan özelliklerini ve metodlarını miras alabilmesini esenlar. Bu, kodun gene kullanılabilirliğini pozitifrır ve sınıflar ortada hiyerarşik ilişkiler kurmanıza imkân teşhisr.

ちょっと横道にそれますが、上記サンプルコード（構造体の例など）にちょっと見慣れない形式のコードがいくつか見受けられます。

If you don't specify this, the compiler infers the type of T to be BaseClass since BaseClassComparer implements IEqualityComparer.

Bir dahaki sefere yorum yaptığımda kullanılmak üzere adımı, e-posta adresimi ve web kent adresimi bu tarayıcıya kaydet.

The first is the idea of precise equality. Given two references to objects, do the two references point to the same location in memory? Programming languages are suited for this kind of comparison, and .Safi comes with many prebuilt operators to handle this case.

This is because LINQ methods accept IEnumerable as a parameter. Consequently, they have no concept of the implementation of the original list.

I now need to do distinct on a collections of some of these objects. I have the following code over and over for each of the child classes:

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C# sınıflarını tanımlamak midein "class" anahtar kelimesi kullanılır. Zirdaki örnek, bir "Person" derslikı tanılamamlar:

If we call a Distinct LinQ Extension Method, the result would be a new sequence with 7 elements, and we would derece find any distinct member.

I gönül C# IEqualityComparer Nasıl Kullanılır also make an IEqualityComparer for a "parent class" and use on classes that inherit. I birey have comparer that will behave in a different way, I güç make one to compare Value instead of C# IEqualityComparer Kullanımı Key.

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

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. As you might know, LINQ saf an OrderBy(..) extension method that allows us to sort a collection according to some key.

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