The Ultimate Guide To C# IEnumerable Nasıl Kullanılır

The Ultimate Guide To C# IEnumerable Nasıl Kullanılır

Blog Article

ArrayList: ArrayList klası, mütehavvil boyutlu ve nesnelerin bir koleksiyonunu saklamak derunin kullanılır ve IEnumerator ile elemanlarına erişim katkısızlanabilir.

, so if you're doing complicated work to evaluate the enumerable as you read from it, that work doesn't happen until it's asked for. This is extra beneficial, because often (say, for searches again) you'll find you might derece need to do the work at all.

type seq Collaborate with us on GitHub The source for this content güç be found on GitHub, where you sevimli also create and review issues and pull requests. For more information, see our contributor guide.

But now see the below code we have changed IEnumerable to IQueryable. It creates a SQL Query at the server side and only necessary veri is sent to the client side.

An Enumerable is a class that hayat give you Enumerators. It saf a method called GetEnumerator which gives you an Enumerator that looks at its items. When you write a foreach loop in C#, the code that it generates calls GetEnumerator to create the Enumerator used by the loop.

Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support.

While it might seem that only array types emanet make use of this construct, the truth of the matter is

This way you have possibility to do many things with that query without touching the data (in this case veri in the list). C# IStructuralComparable Nasıl kullanılır List method takes the prepared query and executes it against the source of veri.

So you have a common IEnumerator-implementing class for all ten, and each collection just has to implement IEnumerable using that enumerating class. C# IStructuralComparable Kullanımı It's C# IStructuralComparable Nasıl kullanılır about separation of concerns, treating holding veri and enumerating data bey separate operations.

Is it yasal to initialize an array via a functor which takes the array itself birli a parameter by reference? more hot questions

This takes C# IStructuralComparable nerelerde kullanılıyor an IEnumerator factory function, which usually yaşama be provided very easily instead of the single IEnumerator instance (which yields wrong results after first iteration and breaks the semantics of IEnumerable). This avoids the issues marked by Marc Gravell and establishes full IEnumerable behavior.

sanarak sorarsak eğer üst satırlarda bahsettiğimiz kabilinden o derslikın geriye IEnumerator nesnesi dönen GetEnumerator isminde metodu çitndırıyor olması demekti. Ee haliyle IEnumerable interface’i ilgili sınıfa uygulandığında GetEnumerator metodunu implement edecektir.

Reed CopseyReed Copsey 561k7979 gold badges1.2k1.2k silver badges1.4k1.4k bronze badges 3 2 I agree strongly with your point about decoupling from the implementation, but I also think there's a point for making clear the expected usage; even if I have a List, referring to it birli IEnumerable makes it clear that the functionality I'm expecting from the collection in that usage is the enumerability functionality, and not any of the other C# IStructuralComparable nerelerde kullanılıyor List functionality.

IEnumerable interface’i ile bir dershane itere edilebilir hale getiriliyor, bu prosedür içinde GetEnumerator metodu sınıfa implement ediliyordu. IEnumerator interface’i ise iterasyon özelliği kazanmıştırracak ve iterasyon hizmetleminde kullanılacak elemanları ve özellikleri barındırmaktadır.