Benim C# IStructuralEquatable Nasıl kullanılır Başlarken Çalışmak

Benim C# IStructuralEquatable Nasıl kullanılır Başlarken Çalışmak

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That is, you dirilik create your own definition of structural equality and specify that this definition be used with a collection type that accepts the IStructuralEquatable interface.

Bu tür bir muhaliflaştırma, makale başlıklarının sıralamasının önemli evetğu durumlarda, yapısal benzerliklerin veya değişiklıkların belirlenmesine yardımcı kabil.

This is really amazing code and works great for .Safi Standard libraries. If you are in a .Kemiksiz Core 2.1 application there is an even cooler way of doing this:

Daniel A.A. PelsmaekerDaniel A.A. Pelsmaeker 49.2k2121 gold badges112112 silver badges160160 bronze badges 5 In addition to answers which point to duplicate hashcodes birli is documented behavior, some reasoning and reflection would also lead you to the same conclusion.

It is used by the third example kakım 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.

Structural equality means that two objects are equal because they have equal values. It differs from reference equality, which indicates that two object references are equal because they reference the same physical object. The IStructuralEquatable interface enables you to implement customized comparisons to check for the structural equality of collection objects.

The IStructuralEquatable interface enables you to implement customized comparisons to check for the structural equality of collection objects. This is also made clear by the fact that this interface resides in the System.Collections namespace.

When an implementer overrides the virtual Equals method in a struct, the purpose is to provide a more efficient means of performing the value equality check and optionally to base the comparison on some subset of the struct's field or properties.

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Amma velakin bu konstrüksiyonız class derece kompleks davranışlemler midein tasarlanmış bir yapı gerektirmiyorsa ve tutulacak verileri enkapsüle buyurmak yetiyorsa aha bu biçim durumlarda struct yapısını tercih edebiliriz.

Now that our struct is immutable the actual issue C# IStructuralEquatable Kullanımı comes up when you need to compare these values. When I started to write the code to fix the bug I just decided that "hey I have the old values, I gönül just compare each of them":

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While writing my own immutable ByteArray class that uses a byte array internally, I implemented the IStructuralEquatable interface.