Açıklanan C# IEnumerable Temel Özellikleri Hakkında 5 Kolay Gerçekler

Açıklanan C# IEnumerable Temel Özellikleri Hakkında 5 Kolay Gerçekler

Blog Article

Botz3000Botz3000 39.4k88 gold badges106106 silver badges128128 bronze badges 1 I believe this is was hamiş asked here so it güç be a comment hamiş an answer, but anyway makes sense from refactoring standpoint

, so if you're doing complicated work to evaluate the enumerable as you read from it, that work doesn't happen until it's asked for. This is extra beneficial, because often (say, for searches again) you'll find you might derece need to do the work at all.

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

Bir program içre çeşitli done koleksiyonları kullanıldığında, bu koleksiyonlardaki verilere erişmek ve muamelat yapmak gereklidir. IEnumerator, bu noktada devreye girerek koleksiyonların elemanlarını tek hareketsiz dolaşmamızı ve muamele yapmamızı sağlar.

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

şayet şimdiye derece forearch yapkaloriı kullandıysanız aslında foreach mimarisında döngüyü sağlayıcı hadise alttaki listedede görebileceğiniz kabil IEnumarable sınıfından türetilen nesneleri kullanıyor olmamızdır.

IQueryable allows for out-of memory things like a remote veri source, such birli a database or web service.

Oluşturduğunuz klası, derme oluştururken C# IStructuralComparable Nasıl kullanılır veya C# IStructuralComparable nedir katlaştırma müstelzim vesair senaryolarda kullanabilirsiniz.

The major difference between IQueryable and IEnumerable is that IQueryable executes query with filters whereas IEnumerable executes the query first and then it filters the veri based on conditions.

List, on the other C# IStructuralComparable nedir 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.

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.

Generally, don't worry about what's actually in the IEnumerables, as it will be completely different from your actual code. Only worry about the actual output when you iterate over it :)

IEnumerable is an interface that C# IStructuralComparable Temel Özellikleri defines one method GetEnumerator which returns an IEnumerator interface, this in turn allows readonly access to a collection. A collection that implements IEnumerable can be used with a foreach statement.

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