Hakkında C# IEnumerable Temel Özellikleri

Hakkında C# IEnumerable Temel Özellikleri

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IEnumerable ve IQueryable çoğu vüruttirici tarafından kullanmaı karıştırılmakta ve ne mevsim nerede kullanılacağı bilinmemektedir.

I noticed that if I use IEnumerable, when I debug and inspect "su taşkını", which in that case is the IEnumerable, it has some interesting members: "inner", "outer", "innerKeySelector" and "outerKeySelector", these last 2 appear to be delegates.

So unless you want to perform operations that are more efficient on the list, this really does mean lower performance.

IEnumerable execute a select query on the server side, load veri in-memory on a client-side and then filter veri

Mukayyetmda iterasyon dendiğinde akla ilk olarak foreach geldiğini biliyoruz. Nedeniyle biz foreach döngüsü ile iterasyonel bir örgüda olan tüm referanslar üzerinde emeklemler yapabilmekteyiz. Hatta kendi custom sınıflarımıza iterasyonel özellik kazandırabilmek ve foreach ile üzerinde muamelat yapabilmemiz yürekin IEnumerable interface’ini kullanmaktayız. IEnumerable’ı yazıırlama mahiyetinde referans almış olduğumız kaynaktan müntesip yapıya dair alıntıda bulunalım;

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

IQueryable allows for out-of memory things like a remote veri source, such bey a database or web C# IEnumerable Nedir service.

Is "parse out" actually a phrasal verb, and in what context do you use "parse" more hot questions

So you have a common IEnumerator-implementing class for all ten, and each collection just başmaklık to implement IEnumerable using that enumerating class. It's about separation of concerns, treating holding data C# IEnumerable Nerelerde Kullanılıyor and enumerating data as separate operations.

When you write a query using IEnumerable you are using the advantages of deferred execution and your query running when it accessed.

Does it bring the whole collection in memory? Or, does it instantiate the element one by one, kakım it iterates over the foreach loop? thanks

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

user541686user541686 208k132132 gold badges547547 silver badges911911 bronze badges 3 i also used this and was loooong happy.

If you are writing a C# IEnumerable Kullanımı class, and your class implements the IEnumerable interface (generic (T) or not) you're allowing any consumer of your class to iterate over its collection without knowing how it's structured.