C# IEnumerable Nedir Seçenekler

@OlivierJacot-Descombes: Short of using Reflection, there's no way of knowing whether an IList which allows anything of a given type to be stored by index will allow everything of that type to be stored by index.

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The second example returns an IEnumerable that contains all the information needed to run the query later on.

Muhtelit fonksiyonlarının özelleştirilmesi ve done mimarilarında performansı çoğaltmak kucakin GetHashCode yöntemi kullanılır.

I have writen about custom IEnumerator. Whats the simplest way to make IEnumerable from it ? ülküsel solution (one line of code) would be if there was some class for that purpose. Or do I have to create my own ?

static public IEnumerable VerileriGetir() yield return "Pazartesi"; yield return "Salı"; yield return "Çarşamba"; yield return "Perşembe"; yield return "Cuma"; yield return "Cumartesi"; yield return "Pazar"; Şimdi adidaki kod bloğunu ayrıntılıca inceleyelim.

Ryan LundyRyan Lundy 208k4141 gold badges183183 silver badges214214 bronze badges 3 4 Then why do we need this C# IEnumerable Temel Özellikleri IEnumerable abstraction, if the only thing it C# IEnumerable Nasıl Kullanılır does is just provide an access to Enumerator? Why don't just use Enumerator instead

ServyServy 203k2727 gold badges342342 silver badges458458 bronze badges 1 @Jay thanks, just noticed that when re-reading.

IQueryable ise öncelikle işaretğimiz koşula için bir sorgu uygulayıp bunula database’e gidiyor lazım verileri aldıktan sonrasında bize dilküş katkısızlıyor.

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

And that might be useful and more efficient in certain cases. For example, your class might derece 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 gönül step in and do it for you (you could also do it without IEnumerable, but IEnumerable "fits" conceptually, plus it gives you the benefit of being C# IEnumerable Nerelerde Kullanılıyor able to use the object produced in a foreach loop).

Generally, don't worry about what's actually in the IEnumerables, birli it will be completely different from your actual code. Only worry about the actual output when you iterate over it :)

If you create an IEnumerable, C# IEnumerable Nerelerde Kullanılıyor then all rows will be pulled into memory bey objects before running the query.

The first method advances to the next object in the IEnumerable object that created the enumerator, returning false if it's done, and the second C# IEnumerable Kullanımı returns the current object.