En C# IStructuralEquatable Nasıl kullanılır Sırları
En C# IStructuralEquatable Nasıl kullanılır Sırları
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If equality is derece needed for the derived class you hayat skip IEquatable but you need to override the CanEqual to prevent it being equal with base classes (unless of course they should be considered equal).
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If you want to implement IEquatable in a class hierarchy you kişi use the following pattern. It prevents derived (including sibling) classes from being equal.
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.
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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.
Is Légal’s C# IStructuralEquatable nedir reported “psychological trick” considered fair play or unacceptable conduct under FIDE rules?
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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To achieve this, employee objects with matching SSN properties would be treated as logically equal, even if they were not structurally equal. Share Improve this answer Follow
The contract of Equals differs from that of IStructuralEquatable, in that it indicates whether 2 objects are logically equal.
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While writing my own immutable ByteArray class that uses a byte array internally, I implemented the IStructuralEquatable interface.