Açıklanan C# IStructuralEquatable Kullanımı Hakkında 5 Kolay Gerçekler
Açıklanan C# IStructuralEquatable Kullanımı Hakkında 5 Kolay Gerçekler
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That is, you kişi create your own definition of structural equality and specify that this definition be used with a collection type that accepts the IStructuralEquatable interface.
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 .
Other types which implement structural equality/comparability include tuples and anonymous types - which both clearly benefit from the ability to perform comparison based on their structure and content. A question you didn't ask is:
Default property. The second time, it passes the default equality comparer that is returned by the StructuralComparisons.StructuralEqualityComparer property. The third time, it passes the custom NanComparer object. As the output from the example shows, the first three method calls return true, whereas the fourth call returns false.
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The following example defines a NanComparer class that implements the IStructuralEquatable interface. 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.
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Ancak, articles1 ve articles3 dizileri aynı makale kafalıklarına farklı sıralarda sahip başüstüneğundan, CompareTo metodu farklı bir mesabe döndürür ve bu dizilerin yapısal olarak yeksan olmadığını belirtir.
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Bir önceki meselelemin aynısını AsOrdered extensionı ile kuruluşldığında muamele tekrar muvazi olarak kuruluşlır, ancak skorlar sıralı olabilir.
Programlama dillerinde en mühim OOP(Object Oriented Programing) kuruluşlarından olan class konstrüksiyonsına göre henüz bayağı düzeyde fiillemler gerçekleştirmemizi sağlayıcı ve belirli bir set engellemelerı beraberinde barındıran struct yapısını C# diline özel ele alacağız.
Defines methods to support the comparison of objects for structural equality. Structural equality means that two objects are equal because they have equal values.
GetHashCode does not return unique values for instances that are not equal. However, instances that are equal will always return the same hash code.
The Equals method supports custom structural comparison of array and tuple objects. This method in turn calls the comparer object's IEqualityComparer.Equals method to compare individual array elements or tuple components, starting with the first element or component.