Düşünceler Hakkında Bilmek C# IEqualityComparer Temel Özellikleri ve Kullanımı

Düşünceler Hakkında Bilmek C# IEqualityComparer Temel Özellikleri ve Kullanımı

Blog Article

Is this professor being unnecessarily harsh or did I actually make a mistake? more hot questions

Sağlam çok programlama dili ile teknolojisine geniş perspektiften yaklaşarak, yeni çıbanlayanlardan profesyonellere kadar her seviyeden bireye şık ciğereriklerle donatılmıştır.

Temel komut satırı uygulamalarından kompleks davranışlevselliklere sahip vasıtalara kadar her şeyi C# ile tasarlayabilirsin.

Gönül a unique position be deduced if pieces are replaced by checkers (gönül see piece color but not type)

Name: Bu özelliği kullanarak öteki kontrollerde de olduğu kabil şifre kısmında kullanacağımız ismi belirliyoruz. Varsayılan olarak listBox1 , listBox2 .. şeklinde buzakılabileceği üzere kendimiz isteğimize görede bir kişi verebiliriz.

The second form is logical equality. Anyone who özgü worked with databases understands the idea of identifiers and their use case for distinguishing sameness. Developers define reasons for equality in code, but the logic dirilik be composed of smaller precise equality comparisons.

I would say that the best use would be when you need to plug in different equality rules for a certain algorithm. Much in the same way that a sorting algorithm might accept an IComparer, a finding algorithm might accept an IEqualityComparer

According to the IEqualityComparer code example provided by microsoft, you will want to use the new keyword (so hiding the Equals C# IEqualityComparer nedir implementation of the object) for implementing Equals.

There C# IEqualityComparer Nasıl Kullanılır are many cases where one might want to have a Dictionary locate objects using something other than 100% equivalence. Kakım a simple example, one may wish to have a dictionary which matches in case-insensitive fashion. One way to accomplish that would be to convert strings to a canonical uppercase form before storing them in C# IEqualityComparer Nasıl Kullanılır the dictionary or performing a lookup. An alternative approach is to supply the dictionary with an IEqualityComparer which will compute hash-codes and check for equality in some sort of case-independent function. There are some circumstances C# IEqualityComparer Temel Özellikleri ve Kullanımı where converting strings to canonical form and using that form whenever possible will be more efficient, but there are others where it's more efficient to only store the string in its original form.

This interface supports only equality comparisons. Customization of comparisons for sorting and ordering is provided by the IComparer interface.

SnowbearSnowbear 3,66311 gold badge1919 silver badges2323 bronze badges $endgroup$ 2 $begingroup$ If I'm hamiş mistaken, the GetHashCode() function normally takes the object's memory address into it's calculation. I'll have to do some more reading up on that. $endgroup$

Protected Internal: Arama, türetilen sınıflar veya aynı derlemedeki sınıflar tarafından erişilebilir hale gelir. Bu durumda, denetçiün erişimi limitetdır ve tek türetilen sınıflar veya aynı derlemedeki C# IEqualityComparer Temel Özellikleri ve Kullanımı öbür sınıflar tarafından erişilebilir.

Typically I'd write MyCustomeComparer which implements IEqualityComparer and pass a MyCustomeComparer object around to whichever objects that need it - I'm sure you're aware of this usage.

If there are multiple ways instances of a class could be considered equal. The best example of this is a string, for which the framework provides six different comparers in StringComparer.