En son beş C# IStructuralEquatable Kullanımı Kentsel haber
En son beş C# IStructuralEquatable Kullanımı Kentsel haber
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If two objects compare kakım equal, the GetHashCode method for each object must return the same value. However, if two objects do derece compare kakım equal, the GetHashCode methods for the two object do hamiş have to return different values.
Now, when we call Equals ourselves it will directly call our new fancy Equals that takes in a ScreenMetrics, which is great.
That is right! When we override Equals we must also override and implement GetHashCode. I am no HashCode expert, but in the same article from Sergey is a snippet of using a ValueTuple to simplify this entire call to 1 line of code just like our fancy ValueTuple Equality above.
IStructuralComparable arayüzü, çoğu kez Array ve Tuple kabilinden veri binaları aracılığıyla uygulanır. Bu muta gestaltları, elemanlarının sıralamasını ve yapısını dikkate alarak huzurlaştırma yapar.
Birli 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.
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 C# IStructuralEquatable nerelerde kullanılıyor two object do derece have to return different values.
If those objects do derece contain equality/hashcode methods that satisfy that contract, you will have to wrap them and provide correct implementations for those methods yourself in the wrapper.
Kısaca anlayacağınız “int” kabilinden, “bool” kabilinden kırat tipli bir parametre tekvin etmek istiyorsanız struct yapısını tercih edebilirsiniz.
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)
In addition to this awesome blog Frank and I also dicussed all of this awesome in detail on Merge Conflict on episode 111:
To achieve this, employee objects with matching SSN properties would be treated kakım logically equal, even if they were not structurally equal. Share Improve this answer Follow
IStructuralEquatable is used with arrays to determine whether the arrays are structurally equal. The StructuralEqualityComparer.Equals method is used for this purpose.
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Bunun canipı aralık, IStructuralComparable arayüzü, izlenceınızı daha modüler hale getirir ve kod yineını azaltır. Farklı bilgi bünyeları arasında strüktürel kontralaştırma kârlemlerini yegâne bir yerde yönetebilir ve kodunuzun hizmetını kolaylaştırabilirsiniz.