En son beş C# IEqualityComparer nerelerde kullanılıyor Kentsel haber
En son beş C# IEqualityComparer nerelerde kullanılıyor Kentsel haber
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Eder tipleri bellekte değerleri elden saklarken, referans tipleri bellekte bileğerlerin namına dağarcık adreslerini saklar. Bu farklar sebebiyle bileğfiilkenler arasındaki alışveriş ve davranış farklıdır.
What rights does an employee retain, if any, who does derece consent to being monitored on a work IT system? more hot questions
That means that your BaseClassComparer constrains the result type to base class and the conversion at the assignment is derece possible.
CodeFuller's answer will work fine, but bey an alternative option, you could use MoreLINQ and its DistinctBy method, which would avoid you needing to create a separate class at all:
IEqualityComparer is an interface for an object that performs the comparison on two objects of the type T.
What's the necessary and sufficient condition for a real sequence to be written as the self-convolution of another real sequence?
Basically you could check all the properties you want to C# IEqualityComparer nerelerde kullanılıyor check in Equals via reflection. To filter some of them out use an attribute on those properties:
below, these dirilik be incorrect. His recommendation of implementing IEqualityComparer.Equals works kakım well. You güç also use override. These will all provide different functionality based on C# IEqualityComparer Temel Özellikleri ve Kullanımı what you cast to. Here is a brief explanation:
When dealing with comparison, it is essential to understand the difference between precise comparison and logical C# IEqualityComparer Temel Özellikleri ve Kullanımı comparison. Luckily for us, .Kemiksiz katışıksız the IEqualityComparer that is used by C# IEqualityComparer nerelerde kullanılıyor LINQ.
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... C# IEqualityComparer Kullanımı the above suggests I should create a custom collection for any T implementing IEquatable. Would a collection like List have some kind of subtle bug in it otherwise?
So I'm not 100% clear why you need the extra comparer. Just the single comparer should be sufficient.
For example if you class implements IEntity which başmaklık an Id property, you could then use a comparison class for all equality checks that implements IEqualityComparer.
When implementing interfaces of classes it is important to read the documentation, to know which contract you’re supposed to implement.1