C# IEqualityComparer Temel Özellikleri ve Kullanımı Herkes İçin Eğlenceli Olabilir

C# IEqualityComparer Temel Özellikleri ve Kullanımı Herkes İçin Eğlenceli Olabilir

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Here, you'll find a first simple code sample that works only on simple types (the ones composed only by primitif properties), and a second one that is complete (for a wider range of classes and complex types).

This is used for custom sorting of objects. Prior to .NET 3.5 it was used primarily for Array.Sort but now finds itself used for sorting with LINQ.

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:

Because you need an instance and derece just a method call you dirilik't let the generic type be inferred by the compiler (see this discussion) but have to do so when creating the instance:

This was a point of some debate and there are arguments on three sides: choose the more specific of the types, choose the more general of the types, or have type inference fail. I will not rehash the whole argument but suffice to say that the "choose the more general" side won the day.

I have a list of custom object where I am trying to remove duplicate records. I am seeing so many online articles which points towards IEqualityComparer(I've never used this before). Question is, when should I use it? I güç achieve same result by LINQ in one line code.

Bu anlayışlemden sonra süflidaki pencere rağmenıza gelecektir. Burada Local resource seçeneğini seçerek Import butonuna basın.

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同値性の判断が必要か、必要であればその基準が「参照の一致」で良いのか、「値の一致」が必要なのかを考えましょう。

Common Type System: .Kupkuru çatısında herhangi bir programlama diliyle yazdığınız bir bileşeni özge bir .Kemiksiz diliyle yararlanmaını sağlar.

Members Generation page of ReSharper options.

Basically, using override would mean that you will use your .Equals implementation regardless of whether you are an object or you are PropertySettings. If you use new when you are an object you will use the base .

For example if you class implements IEntity which özgü an Id property, you could then use a comparison class for all equality checks that implements IEqualityComparer.

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