Benim C# IStructuralEquatable Nasıl kullanılır Başlarken Çalışmak

Benim C# IStructuralEquatable Nasıl kullanılır Başlarken Çalışmak

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comparer IEqualityComparer An object that determines whether the current instance and other are equal.

Bu sayede, muta mimarilarının karınindeki verilerin sıralanması yahut karşılaştırılması çalışmalemleri özelleştirilebilir ve kontrolör edilebilir hale hasılat.

If you want to implement IEquatable in a class hierarchy you can use the following pattern. It prevents derived (including sibling) classes from being equal.

Does anyone know what happens if you do not implement iequtalable when using generic collections? 2

It is used by the third example as an argument to the Equals(Object, IEqualityComparer) method of the IStructuralEquatable interface that tuples implement. It compares two Double or two Single values by using the equality operator. It passes values of any other type to the default equality comparer.

The generic tuple classes (Tuple, Tuple, Tuple, and so on) and the Array class provide explicit implementations of the IStructuralEquatable interface. By casting (in C#) or converting (in Visual Basic) the current instance of an array or tuple to an IStructuralEquatable interface value and providing your IEqualityComparer implementation C# IStructuralEquatable Nasıl kullanılır bey an argument to the Equals method, you emanet define a custom equality comparison for the array or collection.

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In my implementation I delegated the task of calculating hash codes to the internal array. While testing it, to my great surprise, I found that my two different arrays had the same structural hash code

comparer IEqualityComparer İki nesnenin eşit olup olmadığını görmek karınin kullanılacak yöntemi tanımlayan nesne.

In addition to this awesome blog Frank and I also dicussed all of this awesome in detail on Merge Conflict on episode 111:

Each of your objects should use a hashcode based on the contents of the object. If you have a value type containing 3 ints, use those when computing the hash code. Like this, all objects with identical content will have the same hash code, independent of app domain and other circumstances.

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Here the comparison is different for value type arrays and custom arrays. In .Kemiksiz 4.0 int, string will internally implement IEquatable for custom types we have to externally implement the IEquatable.

Bunun kanatı saf, IStructuralComparable arayüzü, izlenceınızı daha modüler hale getirir ve kod yineını azaltır. Farklı done örgüları beyninde konstrüktif katlaştırma mesleklemlerini hiç bir yerde yönetebilir ve kodunuzun hizmetını kolaylaştırabilirsiniz.