Açıklanan C# StructuralComparisons Nedir Hakkında 5 Kolay Gerçekler
Açıklanan C# StructuralComparisons Nedir Hakkında 5 Kolay Gerçekler
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Equals metodunda, Point3D sınıfının X, Y ve Z değerlerinin öbür nöbetçi ile aynı olup olmadığı yoklama edilir. GetHashCode metodunda ise nesnenin hash kodu oluşturularak strüktürel denklik huzurlaştırmalarında kullanılır.
As it was implemented, you compare collections using IStructuralComparable, which requires you to pass in an IComparer to use in comparing individual elements from the two structures. Since IComparer and IStructuralComparable are two different interfaces, you have problems if the elements of the IStructuralComparable are themselves collections, which now get compared with IComparer.
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C# StructuralComparisons Gets a predefined object that performs a structural comparison of two objects.
The objects sevimli be used to perform a structural comparison or a structural equality comparison of two collection objects, such as array or tuple objects.
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The actual comparison of the members or elements in the current instance with those in a second object is performed by an IComparer interface implementation, which contains the definition of your custom comparison.
Because Array is a class, arrays are always (themselves) reference types, regardless of the array’s element type. This means that the statement arrayB = arrayA results in two variables that reference the same array.
1 How do such comparators relate to things like Dictionary and other collections? I know that Dictionary seems to handle structures sensibly albeit slowly in C# StructuralComparisons Temel Özellikleri .
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Bu da vüruttiricilerin pratik performansını zaitrmasına yardımcı olur ve kullanıcı deneyimini iyileştirir.
I've noticed these two interfaces, C# StructuralComparisons Kullanımı and several associated classes, have been added in .NET 4. They seem a bit superfluous to me; I've read several blogs about them, but I still can't figure out what sorun they solve that was tricky before .NET 4.
Equals(Object, IEqualityComparer), its IEqualityComparer.Equals method is called for each member of an array or for each component of a tuple. This implementation of the Equals method behaves as follows when it compares each item of a collection object with the C# StructuralComparisons Temel Özellikleri corresponding item of another collection object: