C# IEnumerator nerelerde kullanılıyor Sırları

C# IEnumerator nerelerde kullanılıyor Sırları

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When you use a yield return statement within a method "some magic happens" whereby it's derece a return in the classic sense, but creates a facility whereby the code güç resume from where it left off (calling for the next item out of the returned enumerator will cause the code to resume from after the yield, with all the state it had before, rather than starting over).

it hayat be useful to use the iterators directly. A good example is when trying to "pair up" two different sequences. For example, suppose you receive two sequences - one of names, one of ages, and you want to print the two together. You might write:

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İkiden çokça formda bu yöntemi kullandığımızda gittikçe kompozitşık hale geldiğini görebiliyoruz. Ara sıra istisnai durumlarda kullanabiliriz fakat bir veriyi proje genelinde tutmak istiyorsak formül pekâlâ bu değildir.

This should happen every time this Foo() function is called, and to would introduce hard to track bugs if I do derece do it. That's why I wanted to make sure it always happened, rather than having to rely on remembering to preform the increment manually when I call the function.

So all depends C# IEnumerator Kullanımı on what you mean saying "valid" state. If it's enclosed in usingdirrective, which is nothing else then try/finally, you have a guarantee that even if any exception happen in iteration the connection will be C# IEnumerator Temel Özellikleri closed and

The power of the iterator pattern is that it allows us to abstract the operation of enumerating(iterating) a collection. Without it, we would have C# IEnumerator Önemi Nedir to write completely different code to iterate arrays and lists than we would for dictionaries and linked lists and trees.

IEnumerator is an implementation of the Iterator pattern. This is a pattern that shows up over and over again in programming languages. I’d be willing to bet that if your favorite language özgü a standard library, somewhere in there exists some version of the iterator pattern.

C Sharp Yetişek Seti eğitimi sayfasına geçmek derunin tıklayınız. Derslerime özel olarak hazırladığım Github Projeme bu temasdan ulaşabilirsiniz… B

        /// p adlı parametrenin Salary(Maaş) bileğerinden p2 parametresindeki maaş kıymeti

The enumerator C# IEnumerator Nasıl kullanılır produced by an iterator block implements IDisposable. Calling Dispose() on it ensures that all the finally blocks in the iterator block are executed, including finally blocks that come from using statements.

IEnumerable bütün verileri alıp memory bile sara, sorgulama işlemlemlerini memory üzerinden yaparken IQueryable ise şartlara bağlı query oluşturarak doğrudan veritabanı üzerinden sorgulama teamüllemi yapar.

The Linq solution is almost entirely concerned with the what, but tells us almost nothing about the how.

Old science fiction short story about a lawyer attempting to berat a new kind of C# IEnumerator neden kullanmalıyız incredibly strong cloth