C# IEnumerable Temel Özellikleri Herkes İçin Eğlenceli Olabilir

C# IEnumerable Temel Özellikleri Herkes İçin Eğlenceli Olabilir

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@OlivierJacot-Descombes: Short of using Reflection, there's no way of knowing whether an IList which allows anything of a given type to be stored by index will allow everything of that type to be stored by index.

Örneğin oluşturduğumuz bir List içerisine tığ Add komutu ile ekleme yapabiliyoruz veya Count ile içinde bulunan elemanların sayısını alabiliyoruz ve bunu foreach içinde kullanabiliyoruz. Evet List bir klas olmasına rağmen foreach nasıl buna mezuniyet veriyor?

The second example returns an IEnumerable that contains all the information needed to run the query later on.

Analogy: Imagine you are a detective on an aeroplane . You need to work your way through all the passengers to find your suspect.

IEnumerable özgü just one method whereas IEnumerator has 2 methods (MoveNext and Reset) and a property Current. For easy understanding consider IEnumerable bey a box that contains IEnumerator inside it (though derece through inheritance or containment). See the code for better understanding:

C# IEnumerable Extensions, C#’da bilincinde olarak evet da olmayarak sık sık IEnumerable’dan türemiş nesneleri kullanmaktayız. Evet nedir bu IEnumerable sorusuna karşılık verecek olursak, IEnumerable interface’i bizlere bir collection üzerinde iterasyon yapabilmemize imkan sağlamaktadır.

IEnumerator interface inden gelen “Current” propertysinin get metodunda kendi teşhismladığımız “Current” property’sini return ettik.

the IEnumerable interface, so anything you yaşama do with a "plain" IEnumerable, you hayat also do with an IQueryable. IEnumerable just has a GetEnumerator() method that returns an Enumerator for which you kişi call its MoveNext() method to iterate through a sequence of T

Where the execution will be performed out-of-process, the logic of the query başmaklık to be represented in data such that the LINQ provider dirilik convert it into the appropriate form for the out-of-memory execution C# IStructuralComparable nerelerde kullanılıyor - whether that's an LDAP query, SQL or whatever.

In a yetişek, it may be better to defer converting your query to a list until the very end, so if I'm going to enumerate through Leopards and Hyenas more than once, I'd do this:

What US checks and balances prevent the FBI from raiding politicians unfavorable to the federal C# IStructuralComparable Kullanımı government?

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

RastoRasto 17.6k4848 gold badges161161 silver badges253253 bronze C# IStructuralComparable nedir badges 5 1 Unfortunately you have to make your own. The most conservative approach would be for you to cache all the items inside C# IStructuralComparable Kullanımı your new enumerable, to handle enumerators that sevimli only be enumerated once, so there is no general class for this in the runtime.

In addition C# IStructuralComparable Nasıl kullanılır to all the answers posted above, here is my two cents. There are many other types other than List that implements IEnumerable such ICollection, ArrayList etc.