Büyülenme Hakkında C# IEnumerable Kullanımı

Büyülenme Hakkında C# IEnumerable Kullanımı

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[Edit] - Needless to say - it's derece "either this or that". often it would make good sense to use both a list and an IEnumerable in the same class. No computer in the world could list all prime numbers, because by definition this would require an infinite amount of memory. But you could easily think of a class PrimeContainer which contains an IEnumerable primes, which for obvious reasons also contains a SortedList _primes.

Down Below I took part of a code I was looking at. I don't understand the IEnumerable part of the Code. Yaşama someone just walk me through the meaning of each line. Thanks

Different implementations of collections yaşama be enumerable; using IEnumerable makes it clear that what you're interested in is the enumerability, and derece the structure of the underlying implementation of the collection.

Katışık fonksiyonlarının özelleştirilmesi ve veri dokumalarında performansı çoğaltmak için GetHashCode yöntemi kullanılır.

An Enumerable is a class that gönül give you Enumerators. It başmaklık 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.

Basically it saf a method to get the next item in the collection. It doesn't need the whole collection to be in memory and doesn't know how many items are in it, foreach just keeps getting the next item until it runs out.

C# IEnumerable kullanımı bayağı basittir ve çoğunlukla koleksiyonlar üzerinde işlemler yetiştirmek karınin yeğleme edilir. İşte hamle adım nasıl kullanılacağına üzerine detaylı bir tafsil: Yeni bir sınıf oluşturun: İlk olarak, IEnumerable arayüzünü istismar etmek ciğerin bir derlem dershaneı C# IEnumerable Nerelerde Kullanılıyor oluşturmalkaloriız. Örneğin, aşağıdaki kabilinden bir derslik teşhismlayabilirsiniz:

It is a best practice to implement IEnumerable and IEnumerator on your collection classes to enable the foreach (For Each in Visual Basic) syntax, however implementing IEnumerable is hamiş 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.

Your linq expression returns an enumeration, and by default the expression executes C# IEnumerable Kullanımı when you iterate through using the foreach. An IEnumerable linq statement executes when you iterate the foreach, but you emanet force it to iterate sooner using .ToList().

C# ile MySQL C# IEnumerable Kullanımı veritabanından data listelemek midein IEnumerable kullanarak dundaki örnek harf kullanılabilir:

Here is a very good article that details the differences between C# IEnumerable Nerelerde Kullanılıyor statement lambdas and expression lambdas and discusses the concepts of expression tress in greater depth: Revisiting C# delegates, expression trees, and lambda statements vs. lambda expressions.."

IEnumerable is an interface that tells us that we güç enumerate over a C# IEnumerable Temel Özellikleri sequence of T instances. If you need to allow somebody to see and perform some action for each object in a collection, this is adequate.

My question is that should these classes instead implement the IEnumerable interface, and call GetEnumerator on the List itself.

Below mentioned small sınav might help you understand one aspect of difference between IQueryable and IEnumerable. I've reproduced this answer from this post where I was trying to add corrections to someone else's post