You get a nice simple bool Equals(T other) function and there's no messing around with casting or creating a separate class.
Note that IEqualityComparer may (and should) be used to perform more complex comparisons, however its implementation won't get much more complex in most cases.
If a reference is no longer publicly available, should you include the proofs of the results you cite from it?
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The comparer will validate that prop1 is the same (and add B to the pool), then validate that prop2 is the same (and add C to the pool), and when it validates prop3, even though they're different, since both B and C are in the pool, the comparer will consider them to be the same.
I have a number of classes that derive from a class BaseClass where BaseClass just katışıksız an `Id property.
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In the editor, place the caret C# IEqualityComparer nedir at the type name or within a type at the line where you want to insert an equality comparer class. If the caret is on the type name, the generated code will be added in the C# IEqualityComparer nedir beginning of the type declaration.
The Func is a class standing for something that might be called with MovieActor argument and must C# IEqualityComparer nedir yield a result of type object. Although generally I don't like dealing with pure object's C# IEqualityComparer nerelerde kullanılıyor in my code, this is a valid way to define a key selector derece bounding it to some specific key type.
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.
You could do this more C# IEqualityComparer nerelerde kullanılıyor elegantly using FluentAssertions library. It has plenty assertion methods for collections.
What Distinct() actually does here is comparing object references. So our second George Clooney is in fact an 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:
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