En C# IStructuralEquatable Kullanımı Sırları
En C# IStructuralEquatable Kullanımı Sırları
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Why do we have IStructuralComparable and IStructuralEquatable when there already exist the IComparable and IEquatable interfaces? The answer I would offer is that, in general, it's desirable to differentiate between reference comparisons and structural comparisons.
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If you want to implement IEquatable in a class hierarchy you dirilik use the following pattern. It prevents derived (including sibling) classes from being equal.
Does anyone know what happens if you do not implement iequtalable when using generic collections? 2
Bildiğiniz kabil new cerrahü classlarda kullanıldığı devran ilişkin classtan bir nesne talep edilmekte ve üretilen nesne belleğin Heap kısmında koruma edilmektedir.
If two objects compare as equal, the GetHashCode method for each object must return the same value. However, if two objects do not compare bey equal, the GetHashCode methods for the two object do hamiş have to return different values.
Aynı fiillemi her bir iterasyon yürekin bir task oluşturup yapabiliyorken neden Paralel bir döngü oluşturmalıyız?
When an implementer C# IStructuralEquatable Nasıl kullanılır 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.
Ray BooysenRay Booysen 29.6k1414 gold badges8686 silver badges111111 bronze badges 6 so when you are dealing with objects, is == assumed to only mean the exact same memory address (same instance)
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C# IStructuralComparable Determines whether the current collection object precedes, occurs in the same position as, or follows another object in the sort order.
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
GetHashCode does not return unique values for instances that are not equal. However, instances that are equal will always return the same hash code.
Collaborate with us on GitHub The source for this content dirilik be found on GitHub, where you gönül also create and review issues and pull requests. For more information, see our contributor guide.