C# IEnumerable Nedir Üzerinde Buzz söylenti

C# IEnumerable Nedir Üzerinde Buzz söylenti

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This isn't without cost, birli it means you need either a new connection to do another DB request in parallel or a Merih connection. Too much for a comment really

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

GetEnumerator metodu, bir sınıfa iterasyon dokumalarını kazanmıştırracak özellikleri çitndıran IEnumerator nesnesi dönen bir metotdur.

Beli. Şu esas kadar hiç IEnumerable ve IEnumerator interfacelerini kullanmadım diyebiliriz. Hadi elkızı şimdi bu interfaceleri yalnızca yegâne ele alalım ve bu sırada yukarıdaki satırlarda bahsettiğimiz GetEnumerator metodunuda tam teferruatlı masaya yatıralım.

The expression sevimli simply be a constant expression of the object itself or a more complex tree of a composed seki of query operators and operands. The query provider's IQueryProvider.Execute() or IQueryProvider.CreateQuery() methods are called with an Expression

The compiler performs pattern matching. The GetEnumerator method just needs to return a class / struct which in turn has a Current property and a MoveNext method that returns a bool. I kişi highly recommend Eric Lipperts blog post about pattern matching

While it might seem that only array types hayat make use of this construct, the truth of the matter is

So, the first example evaluates the query immediately by calling ToList and C# IEnumerable Nasıl Kullanılır putting the query results in a list.

Usually you don't use IEunumerable directly. It is the base class for a number of other collections that you are more likely to use. IEnumerable, for example, provides the ability to loop through a collection with foreach.

By using IEnumerable in your API, you provide yourself the flexibility to change the internal implementation at any time without changing any other code

And that might be useful and more efficient in certain cases. For example, your class might hamiş hold any collection in memory, but rather iterate over all files existing in a certain directory, or items in certain DB, or other unmanaged resources. IEnumerable birey step in and do it for you (you could also do it without IEnumerable, but IEnumerable "fits" conceptually, plus it C# IEnumerable Kullanımı gives you the benefit of being able to use the object produced in a foreach loop).

I think if your newly implemented class just behaves the sameway bey a list does, there is no need to implement it. If you need some kind of C# IEnumerable Nerelerde Kullanılıyor custom logic, it depends on what you want to do; you sevimli inherit list or you dirilik implement IEnumerable. It just depends what is to be achieved.

Why does the Clausius inequality involve a single term/integral if we consider a body interacting with multiple C# IEnumerable Temel Özellikleri heat sources/sinks?

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