En son beş C# IStructuralEquatable Kullanımı Kentsel haber
En son beş C# IStructuralEquatable Kullanımı Kentsel haber
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If two objects compare birli 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 derece have to return different values.
In this case you don't want to change your class implementation so you don't wantoverride the Equals method. this will define a general way to compare objects in your application.
Are the bonuses for infernal war machine weapon stations static, or are they affected by their user?
IStructuralComparable arayüzü, çoklukla Array ve Tuple kabil data yapıları tarafından uygulanır. Bu bilgi dokumaları, elemanlarının sıralamasını ve yapkaloriı dikkate alarak karşıtlaştırma yapar.
Ee lafız gelimi struct kuruluşsında da new cerrahünü kullanırsak şayet he müteallik strüktürdan bir nesne üretilecektir lakin struct bir ölçü tipli değişken binasında başüstüneğundan dolayı o nesne belleğin Stack kısmında muhafaza edilecektir.
If two objects compare as equal, the GetHashCode method for each object must return the same value. However, if two objects do derece compare birli equal, the GetHashCode methods for the two object do hamiş have to return different values.
What does IEquatable buy you, exactly? The only reason I güç see it being useful is when creating a generic type and forcing users to implement and write a good equals method.
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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I had the same question. When I ran LBushkin's example I was surprised to see that I got a different answer! Even though that answer katışıksız 8 upvotes, it is wrong. After a lot of 'reflector'ing, here is my take on things.
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Defines methods C# IStructuralEquatable nerelerde kullanılıyor to support the comparison of objects for structural equality. Structural equality means that two objects are equal because they have equal values.
Default property. The second time, it passes the default equality comparer that is returned by the StructuralComparisons.StructuralEqualityComparer property. The third time, it passes the custom NanComparer object. Kakım the output from the example shows, the first three method calls return true, whereas the fourth call returns false.
Burada özen ederseniz şayet ms.x ve ms.y bileğmaslahatmeyeceğinden dolayı bir Deep Copy kelime konusudur. Eğer referans tipli strüktürlar olsalardı kötüdaki gibi bir sonuç elde edilecekti ve Shallow Copy lafız konusu olacaktı.