IEqualityComparer is a generic .Safi interface that allows implementing customized equality comparison for collections.
Listeye eleman eklemenin bir diğer yolu da AddRange metodunu kullanarak, bir başka listeyi bir numara seferde eklemektir.
Alternatively, you sevimli write an empty comparer class that implements IEqualityComparer, and then pick the corresponding quick-fix from the Ast+Enter menu:
If there is only one way of testing two instances of T for equality, or if one of several methods is preferred, then IEquatable would be the right choice: This interface is supposed to be implemented only by T itself, so that one instance of T katışıksız internal knowledge of how to compare itself to another instance of T.
Implementations are required to ensure that if the Equals(T, T) method returns true for two objects x and y, then the value returned by the GetHashCode(T) method for x must equal the value returned for y.
Since IEqualityComparer is contravariant in the type T, you birey use the base class comparer with distinct if you specify the generic parameter to Distinct:
Bu medarımaişetlemden sonra aşağıdaki gözenek karşınıza gelecektir. Burada Local resource seçeneğini seçerek Import butonuna basın.
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You will need some properties that will allways be available on your type and that provide a C# IEqualityComparer Temel Özellikleri ve Kullanımı good enough idea of what might be considered equal. All theadditional properties however should only go into the expensive Equals-method.
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C# ta formunuza eklemiş başüstüneğunuz bir resmi kodla duruma bakarak görevlendirmek veya tebdil etmek kabilinden durumlarda bu yöntemi kullanabilirsiniz.
So I'm not C# IEqualityComparer nedir 100% clear why you need the extra comparer. Just the single comparer should be sufficient.
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Doing that you changed the behavior for a single class, what if you need C# IEqualityComparer Temel Özellikleri ve Kullanımı the same logic for other classes? If you need a "generic comparison". That is why you have IEqualityComparer.