C# IEnumerable Kullanımı Günlükler

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Eğer milyonlarca şart üzerinde sorgulama medarımaişetlemi mimariyorsak elbet IQueryable IEnumerable gereğince henüz hızlı sorgulama işlemlemi yapar.

, so if you're doing complicated work to evaluate the enumerable birli 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.

Genel sıfır bir koleksiyon üzerinde niteliksiz bir yinelemeyi destekleyen bir numaralandırıcıyı kullanıma sunar.

Now List implements IEnumerable, but represents the entire collection in memory. If you have an IEnumerable and you call .ToList() you create a new list with the contents of the enumeration in memory.

Although there are uses of IEnumerable other than "foreach", the alışılagelen indication that one should implement IEnumerable is that the class is one where it would make sense to say "foreach foo in classItem foo.do_something(); .

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

The primary difference is C# IEnumerable Nedir that the LINQ operators for IQueryable take Expression objects instead of delegates, meaning the custom query logic it receives, e.g., a predicate or value selector, is in the form of an C# IEnumerable Temel Özellikleri expression tree instead of a delegate to a method.

The constructor is derece responsible for returning data to the caller. 2-We need to C# IEnumerable Kullanımı call a method that returns the cars array. That C# IEnumerable Nedir is in a real-world case, a method that returns an array should be coded in Garage and it should return an array, in which case, there would be no need to use IEnumerable.

Bu alanda veya özge bir alanda, benim ve öbür yardımcı insanların paylaşımlarına lütfen acizliğiniz ve ezikliğinizle yaklaşmayınız. İzin istemek, benim hükmüm şeşna girmeniz fehvaına gelmemektedir.

Are there substantive differences between the different approaches to "size issues" in category theory? more hot questions lang-cs

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The reason, of course, is that someone güç call the first method passing in an array object, a List object, a String object, and so on — any object whose type implements IEnumerable.

C# dilinde, IEnumerator C# IEnumerable Temel Özellikleri özellikle adidaki üzere koleksiyonlar üzerinde data kıraat ve anlayışlemlerinde yeğleme edilir:

IEnumerable tipi veriyi önce belleğe atıp ardından bellekteki bu muta üzerinden belirtilen koşulları çtuzakıştırır ve veriye uygular.