Düşünceler Hakkında Bilmek C# IStructuralEquatable Temel Özellikleri

Düşünceler Hakkında Bilmek C# IStructuralEquatable Temel Özellikleri

Blog Article

The individual calls to IEqualityComparer.Equals end and the IStructuralEquatable.Equals method returns a value either when a method call returns false or after all array elements or tuple components have been compared.

= to provide value equality checks (vs the default reference equality check). The MSDN documentation suggests you only do it for immutable types. There are also issues involving interfaces and operator overloading.

Will feeblemind affect the original creature's body when it was cast on it while it was polymorphed and reverted to its original form afterwards?

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 kakım is documented behavior, some reasoning and reflection would also lead you to the same conclusion.

Bey an example, it might make sense for two different instances of an Employee class to be considered equal if they both represent the same entity in your system.

45IStructuralEquatable seObj = x birli IStructuralEquatable; 64IStructuralEquatable seObj = obj kakım IStructuralEquatable;

The IEquatable implementation will require one less cast for these classes and kakım a result will be slightly faster than the standard object.Equals method that would be used otherwise. Bey an example see the different implementation of the two methods:

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.

Fantasy TV series with a male protagonist who uses a bow and arrows and özgü a hawk/falcon/eagle type bird companion

Task oluşturmanın emeklemci üzerinde maliyeti vardır ve çok kısa süren davranışlemler bâtınin bir task tesis etmek genel anlamda daha yavaş çaldatmaışan uygulamalara amil olabilir.

To achieve this, employee objects with matching SSN properties would be treated kakım logically equal, even if they were derece structurally equal. Share Improve this answer Follow

The example on MSDN gives part of the answer here; it seems to be useful for heterogeneous equality, rather than homogeneous equality - i.e. for testing whether two objects (/values) of potentially different types

Just look at the default ValueType.Equals(object) code that gets called otherwise. It's an absolute performance killer that introduces boxing, type evaluation and finally falls back on reflection if any of the fields are reference types.

Collaborate with us on GitHub The source for this content birey be found on C# IStructuralEquatable Kullanımı GitHub, where you yaşama also create and review issues and pull requests. For more information, see our contributor guide.