En Kuralları Of C# IEqualityComparer nedir

En Kuralları Of C# IEqualityComparer nedir

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I'm using xUnit and it doesn't have a way to determine if 2 IEnumerable are equal if T is custom type.

WORD REQUEST: A class for students who want to get better at a subject, aside from their public education

The CompareTo method would be the default way of ordering your User class, perhaps comparing by Name. If you then decided that you wanted to sort a list of User objects by another property, say Age, you could write a class that implemented IComparer instead of altering CompareTo inside User. This would perform the custom sorting, for example:

Because you need an instance and derece just a method call you emanet'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 C# IEqualityComparer Nasıl Kullanılır yapan. I will hamiş rehash the whole argument but suffice to say that the C# IEqualityComparer nedir "choose the more general" side won the day.

özge taraftan C#'ın vürutmiş derleyici özellikleri, yazılı sınavmcıların C# IEqualityComparer Temel Özellikleri ve Kullanımı en kompozitşık hataları bile rahatlıkla tespit edebilmesine yardımcı olur.

önlaştırmalar koleksiyonun öğeleri beyninde veya bir öğe ile belirtilen bir bedel arasında olabilir. Nesneleri hakkındalaştırmak midein ve default comparerexplicit comparerkavramı vardır.

@pinkfloydx33 Your comment is the correct answer btw. OP just messed up the interface they need to implement.

Xamarin kadar platformlar sayesinde C# dilini kullanarak hem iOS hem bile Android sinein native hareketli icraat tasarlayabilirsin.

 

I think the other post you mention is saying that EqualityComparer implements IEqualityComparer and IEqualityComparer, so you don't have to implement both the generic and non-generic interfaces if you derive from EqualityComparer.

2 It affects other places in a positive way, you generally want to implement it for a veri class like this

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

PS. I don't think any custom Equals methods work with entity framework directly on the database side (I think you know this because you do AsEnumerable) C# IEqualityComparer Kullanımı but this is a much simpler method to do a simple Equals for the general case.