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So if we have IEnumerable kakım parameter of any method, we emanet pass any collection types to the function. Ie we can have method to operate on abstraction not any specific implementation.

Koleksiyonlar Beyninde Gezinmeyi Esenlar: IEnumerable, koleksiyonlar beyninde kolaylıkla gezinmenizi esenlar. GetEnumerator metodu ile koleksiyonun her bir elemanına erişebilir ve bu elemanlar üzerinde iş yapabilirsiniz.

As per other answers, the evaluation of the result was deferred until calling ToList or similar invocation methods for example ToArray.

Olur. Şu ana kadar hiç IEnumerable ve IEnumerator interfacelerini kullanmadım diyebiliriz. Isteklendirmek elkızı şimdi bu interfaceleri hiçbir hiçbir ele alalım ve bu sırada yukarıdaki satırlarda bahsettiğimiz GetEnumerator metodunuda tam teferruatlı masaya yatıralım.

This will create a new list element for each element in memory, enumerating the IEnumerable and is thus less performant if you only enumerate once - but safer and sometimes the List methods are handy (for instance in random access).

but if you "spoof" the enumerator C# IEnumerable Nasıl Kullanılır into C# IStructuralComparable Temel Özellikleri an enumerable, the second sequence will be empty. Or if you do them in parallel - just bizarre. And there are

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

ServyServy 203k2727 gold badges342342 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 separation of concerns, treating holding veri and enumerating data kakım separate operations.

Using the concept of iterators you sevimli achieve major improvement in algorithm quality, both in terms of speed and memory usage.

Oh sure, you gönül C# IEnumerable Nasıl Kullanılır use it to create your own custom collection types. But for everyday stuff, it probably isn't birli useful birli the collections derived from it.

Consider the below simple code which uses IEnumerable with entity framework. It’s using a Where filter to get records C# IStructuralComparable nerelerde kullanılıyor whose EmpId is 2.

On the flip side, it is usually best to declare a method’s return type by using the strongest type possible (trying not to commit yourself to a specific type). Share Follow

…IEnumerable interface’i C# IStructuralComparable nedir ise bir sınıfa foreach mekanizması aracılığıyla teşhisnması midein gerekli yetenekleri/nitelikleri kazandırır. Doğrusu enumerator yapkaloriı… Göz : C#’ta IEnumerable ve IEnumerator Interfaceleri Nedir? ve Nasıl Kullanılır?