Greatest Kılavuzu C# IEnumerable Temel Özellikleri için

Greatest Kılavuzu C# IEnumerable Temel Özellikleri için

Blog Article

As mentioned by Mr. Copsey, this has the benefit of providing decoupling from the implementation, but I'm of the contention that a clear definition of the smallest subset of interface functionality birli possible (i.

Bu iki arayüzün tasarruf senaryoları değişikdır ve birbirlerinin namına kullanılmamalıdır. Bu makalede, IEnumerable ve IQueryable arasındaki farkları inceleyeceğiz.

Lütfen zirdaki kutuya şikayetinizin bilgilerinı edebiyat. Şikayetinizi değerlendirildikten sonrasında size vukuf vereceğiz.

Now List implements IEnumerable, but represents the entire collection in memory. If you have an IEnumerable and you call .ToList() you create a new list with the contents of the enumeration in memory.

System.Collections.IEnumerator. This interface provides the infrastructure to allow the caller to traverse the internal objects contained by the IEnumerable-compatible container:

Why do many philosophers consider a past-eternal universe to be self-explanatory but not a universe that began with no cause?

This is a nice videoteyp on youtube which demonstrates how these interfaces differ , worth a watch. Below goes a long descriptive answer for it.

It is a best practice to implement IEnumerable and IEnumerator on your collection classes to enable the foreach (For C# IEnumerable Nasıl Kullanılır Each in Visual Basic) syntax, however implementing IEnumerable is derece required. If your collection does derece implement IEnumerable, you must still follow the iterator pattern to support this syntax by providing a GetEnumerator method that returns an interface, class or struct.

Where the execution of a query is going to be performed "in process", typically all that's required is the code (kakım code) to execute each part of the query.

List, on the other hand, is a specific implementation of IEnumerable that stores the objects in a specific, known manner. Internally, this may be a very good way to store your values that you expose via IEnumerable, but a List is hamiş C# IEnumerable Temel Özellikleri always appropriate.

It is cleaner, your users don't get a list where they shouldn't (they could cast it to a Listafter all) and you don't need to create a Listobject.

The reason, of course, is that someone can call the first method passing in an array object, a List object, a String object, and so on — any object whose type C# IEnumerable Nasıl Kullanılır implements IEnumerable.

user541686user541686 208k132132 gold badges547547 silver badges911911 bronze badges 3 i also used this and was loooong happy.

Here is why it loads twice kakım fewer items kakım the first C# IEnumerable Kullanımı example on average. Let's say probability to find element at any position in the range C# IEnumerable Temel Özellikleri of files is the same.