En C# IEqualityComparer Nasıl Kullanılır Sırları

En C# IEqualityComparer Nasıl Kullanılır Sırları

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The last statement basically means that in case we rely on Equals(..) method we could calculate hash based only on the last name and the result will still be the same:

The sorun is (and this is why I chose the IList in the first place) that at compile time I don't know the value of T. $endgroup$

Cevapla ↓ 21 سعید محمد 3 sene önce I love your blog.. very nice colors & theme. Did you create this website yourself or did you hire someone to do it for you?

Bir dahaki sefere yorum yapmış olduğumda kullanılmak üzere hamleı, e-posta adresimi ve web şehir adresimi bu tarayıcıevet kaydet.

Now in your comparer check for that specific attribute. Afterwards compare every property that is contained in the remaining list via PropertyInfo.GetValue

Therefore, when testing two instances of T for equality, because T başmaklık no internal understanding of equality, you will have to make an explicit choice of a IEqualityComparer instance which performs the test according to C# IEqualityComparer Kullanımı your specific requirements.

Where did the pronunciation of the word "kilometer/kilometre" bey "kl OM iter" rather than "KILL o meeter" originate?

While MSDN is a valuable resource, don't take everything MSDN says birli gospel. MSDN contains plenty of bad advice, outdated, badly written or plain wrong content.

I've assumed that you C# IEqualityComparer Kullanımı want to select ItemWrapper - it's hard to tell without seeing the types involved, but that looks likely to be what C# IEqualityComparer nerelerde kullanılıyor you want.

players: khalidabuhakmeh and nicoleabuhakmeh. Our next step is to implement the IEqualityComparer. Let’s first look at the interface itself.

We will C# IEqualityComparer nerelerde kullanılıyor make the previous example, but we’ll use C# IEqualityComparer Kullanımı GenericEqualityComparer class. Remember this class isn’t only suitable for any customer field or any customer field’s combination, but also for any field class or any field’s combination of any class.

Now, think of a field or fields that differentiate our class, ID for example. IEqualityComparer helps you to manage and improve the efficiency

Equals method instead of the Object.Equals method. but if I look at the implementation, they both use the generic Type:

Brad WilsonBrad Wilson 69.5k99 gold badges7575 silver badges8484 bronze badges 2 Ah thanks, I wasnt too far off. I will add more properties to the Equals method but do I need to do anything for the GetHashCode method?