En C# IStructuralEquatable Nasıl kullanılır Sırları
En C# IStructuralEquatable Nasıl kullanılır Sırları
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Is Légal’s reported “psychological trick” considered fair play or unacceptable conduct under FIDE rules?
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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:
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It is used by the third example birli 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 IStructuralEquatable interface enables you to implement customized comparisons to check for the structural equality of collection objects.
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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
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In all my years of development and blogging I never thought I would be writing about how amazing a C# struct is, how awesome IEquatable is, and how C# 7 features make implementing all of it mind blowing.
This member is an explicit interface member implementation. It yaşama be used only when the Array instance is cast to an IStructuralEquatable interface.
Do not send hash codes across application domains or processes. In some cases, hash codes may be computed on a per-process or per-application domain basis.
Just look at the default ValueType.Equals(object) code that gets called otherwise. It's an absolute performance killer that introduces C# IStructuralEquatable Kullanımı boxing, type evaluation and finally falls back on reflection if any of the fields are reference types.
Burada uyanıklık ederseniz eğer ms.x ve ms.y değkonumeyeceğinden dolayı bir Deep Copy nazire konusudur. şayet referans tipli dokumalar olsalardı kötüdaki kabil bir sonuç elde edilecekti ve Shallow Copy kavlükarar konusu olacaktı.