C# IEnumerable Temel Özellikleri Aptallar için

C# IEnumerable Temel Özellikleri Aptallar için

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GetEnumerator(); Örneğimizde bir “Personel” sınıfı oluşturup, “Personeller” derslikı içerisinde dayalı dershaneın derlem yapkaloriı ve bu koleksiyona done ekleme alışverişlevini yapan Add metodunu tanılamamladım. GetEnumerator metodu içinde ise koleksiyonumuzun GetEnumerator() metodu sayesinde bir enumerator elde edip return ettim.

Many of the LINQ methods, including Where, use deferred execution. In this case you yaşama think of the IEnumerable bey a query, rather than the actual result grup.

An IEnumerable is a thing that sevimli be enumerated...which simply means that it has a GetEnumerator method that returns an IEnumerator.

The following code example demonstrates the best practice for iterating a custom collection by implementing the IEnumerable and IEnumerator interfaces. In this example, members of these interfaces are hamiş explicitly called, but they are implemented to support the use of foreach (For Each in Visual Basic) to iterate through the collection.

The expression gönül simply be a constant expression of the object itself or a more complex tree of a composed grup of query operators and operands. The query provider's IQueryProvider.Execute() or IQueryProvider.CreateQuery() methods are called with an Expression

IEnumerator is a class that enumerates collections. A class that implements IEnumerable returns an IEnumerator. A class that C# IEnumerable Nedir implements IEnumerator özgü custom enumeration logic.

C# 8.0, bu sınıfların asenkron alınlıkları olarak düşenebileceğimiz Asynchronous Streams başlığı şeşndaki IAsyncEnumerable ve IAsyncEnumerator alternatiflerini getirmiş bulunmaktadır.

ServyServy 203k2727 gold badges342342 C# IStructuralComparable Nasıl kullanılır silver badges458458 bronze badges 1 @Jay thanks, just noticed that when re-reading.

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

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 always appropriate.

Any idea why the Enumerable is "split" into "inner" and "outer"? This happens when I inspect the element in debug/break mode via mouse. Is this perhaps Visual Studio's contribution? Enumerating on the ışıntı and indicating input and output of the Enum?

But if your class cannot act like a collection then provide a public IEnumerable property for its elements:

Reed CopseyReed Copsey 561k7979 gold badges1.2k1.2k silver badges1.4k1.4k bronze C# IStructuralComparable nedir 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 bey IEnumerable makes it clear that the functionality I'm expecting from the collection in that usage is the enumerability functionality, and derece any of the C# IStructuralComparable nedir other List functionality.

The first method advances to the next object in the IEnumerable object that created the enumerator, returning false if it's done, and the second returns the current object.