Için basit anahtar C# IStructuralEquatable Kullanımı örtüsünü
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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 as equal, the GetHashCode methods for the two object do hamiş have to return different values.
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If you want to implement IEquatable in a class hierarchy you yaşama use the following pattern. It prevents derived (including sibling) classes from being equal.
Tasarmızın fevkdaki satırlarında da bahsettiğimiz kabil struct C#’ta value type yaratabileceğimiz dokumadır.
It is used by the third example kakım 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.
comparer IEqualityComparer An object that determines whether the current instance and other are equal.
What does IEquatable buy you, exactly? The only reason I hayat see it being useful is when creating a generic type and forcing users to implement and write a good equals method.
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(doesn't violate documentation), but it is clearly derece kakım good kakım it would be if C# IStructuralEquatable nedir 0 were replaced with i. Also there's no reason to loop if the code were just going to use a single value from the array.
Strüktürel eşitlik, yeksan değerlere sahip oldukları ciğerin dü nesnenin bedel olduğu valörına gelir. Aynı fiziksel nesneye mebdevurdıkları ciğerin dü nesne mirvurusunun hemayar olduğunu gösteren referans eşitliğinden farklıdır. arabirimi, IStructuralEquatable derme nesnelerinin konstrüktif eşitliğini denetlemek bâtınin özelleştirilmiş huzurlaştırmalar uygulamanıza olanak tanır.
Amma velakin bu özümlemeız class denli kompleks emeklemler yürekin tasarlanmış bir yapı gerektirmiyorsa ve tutulacak verileri enkapsüle buyurmak yetiyorsa işte bu stil durumlarda struct yapkaloriı tercih edebiliriz.
IStructuralEquatable is used with arrays to determine whether the arrays are structurally equal. The StructuralEqualityComparer.Equals method is used for this purpose.
GetHashCode does derece return unique values for instances that are hamiş equal. However, instances that are equal will always return the same hash code.
The Equals method supports custom structural comparison of array and tuple objects. This method in turn calls the comparer object's IEqualityComparer.Equals method to compare individual array elements or tuple components, starting with the first element or component.