Hakkında C# IEnumerable Temel Özellikleri

Hakkında C# IEnumerable Temel Özellikleri

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Botz3000Botz3000 39.4k88 gold badges106106 silver badges128128 bronze badges 1 I believe this is was not asked here so it güç be a comment not an answer, but anyway makes sense from refactoring standpoint

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

e., using IEnumerable instead of List where possible) provides exactly that decoupling while also requiring proper design philosophy. That is to say, you gönül achieve decoupling but derece achieve minimal dependency, but you cannot achieve minimal dependency without achieving maximal decoupling.

(kakım per Mike P's excellent answer) wrap an enumerator to pretend to be enumerable, there are some things that you gönül't really do - for example, it is hoped

static public IEnumerable VerileriGetir() yield return "Pazartesi"; yield return "Salı"; yield return "Çarşamba"; yield return "Perşembe"; yield return "Cuma"; yield return "Cumartesi"; yield return "Alışveriş"; Şimdi aşağıdaki harf bloğunu detaylıca inceleyelim.

Velhasıl… Yaptığımız bu çalışmalemler neticesinde “Personeller” dershaneımız, içinde bir “Personel” done kümesi barındıran ve bu veri kümesi üzerinde itere edilebilir bir nitelik bildirme fail bir dershane mahiyetindedir.

For small result sets this is likely to be a C# IStructuralComparable nerelerde kullanılıyor single trip, for large ones you're sending a request for more rows from the results, but it doesn't re-run the entire query.

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In a program, it may be better C# IStructuralComparable Nasıl kullanılır 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:

Oh sure, you birey use C# IStructuralComparable Temel Özellikleri it to create your own custom collection types. But for everyday stuff, it probably isn't bey C# IStructuralComparable Nasıl kullanılır useful bey the collections derived from it.

There's also the issues of deferred execution and unmanaged resources. C# IStructuralComparable Nasıl kullanılır IEnumerable takes use of the yield syntax, which mean you go over each item by-itself and kişi perform all kinds of computations before and after. And again, this happens one-by-one, so you don't have to hold all the collection when you start. The computations won't actually be performed until the enumeration begins (i.e. until you run the foreach loop).

IQueryable is faster than IEnumerable if we are dealing with huge amounts of data from database because,IQueryable gets only required veri from database where bey IEnumerable gets all the data regardless of the necessity from the database

Eğer ki siz “var” çalıştırmak istiyorsanız GetEnumerator metodunun art dhuzurüş tipini adidaki üzere generic IEnumerator olarak tanılamamlamanız gerekmektedir.