5 Temel Unsurları için C# IEqualityComparer Temel Özellikleri ve Kullanımı

5 Temel Unsurları için C# IEqualityComparer Temel Özellikleri ve Kullanımı

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You get a birçok simple bool Equals(T other) function and there's no messing around with casting or creating a separate class.

Expose via static property — makes the comparer class private and generates a static property that exposes the comparer class to consumers.

This is it. We have explored the interaction between LINQ extension methods and custom IEqualityComparers and even implemented one. The resulting class is both easy to use and highly customizable, because its operation is fully defined by the key selector function provided by user.

IEqualityComparer is an interface which is used to find whether an object is equal or hamiş. We will see this in a sample where we have to find the distinct objects in a collection. This interface will implement the method Equals(T obj1,T obj2).

This interface allows the implementation of customized equality comparison for collections. That is, you emanet create your own definition of equality, and specify that this definition be used with a collection type that accepts the IEqualityComparer interface.

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 C# IEqualityComparer Temel Özellikleri ve Kullanımı used this before). Question is, when should I use it? I hayat achieve same result by LINQ in one line code.

Where did the pronunciation of the word "kilometer/kilometre" birli "kl OM C# IEqualityComparer Nasıl Kullanılır iter" rather than "KILL o meeter" originate?

RESTful web servisleri veya SOAP tabanlı servisler oluşturarak gayrı uygulamalarla C# IEqualityComparer Kullanımı etkileşimde bulunabilirsin.

What US checks and balances prevent the FBI from raiding politicians unfavorable to the C# IEqualityComparer Kullanımı federal government?

The Func is a class standing for something that might be called with MovieActor argument and must yield a result of type object. Although generally I don't like dealing with pure object's in my code, this is a valid way to define a key selector hamiş bounding it to some specific key type.

C# ta formunuza eklemiş başüstüneğunuz bir resmi kodla duruma nazaran açıklamak veya değiştirmek kabilinden durumlarda bu yöntemi kullanabilirsiniz.

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

I have to say, that there are other methods to create an equality comparer with similar functionality. For example, see this article on CodeProject - it demonstrates how to use reflection to obtain and compare property values.

The result is the same kakım when using the C# IEqualityComparer nedir first version of ActorComparer, although the new one is much more flexible in the sense that it may be used differently in different contexts and no further modifications are required to its code.