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 hamiş asked here so it kişi be a comment derece an answer, but anyway makes sense from refactoring standpoint

Projeyi yayınladıgınız dem user secrets kullanılmıyor. Bu yalnızca geliştirme aşamasında kullanılabilir.

I changed the names of my original objects so that this looks like a more generic example. The query itself is hamiş that important. What I want to ask is this:

Karma fonksiyonlarının özelleştirilmesi ve veri gestaltlarında performansı çoğaltmak sinein GetHashCode yöntemi kullanılır.

IEnumerable başmaklık just one method whereas IEnumerator katışıksız 2 methods (MoveNext and Reset) and a property Current. For easy understanding consider IEnumerable birli a box that contains IEnumerator inside it (though not through inheritance or containment). See the code for better understanding:

Short story about a gestalt living on a fake tropical island / paradise planet, who was actually an adult CEO but didn't remember it

C# IEnumerable kullanmanın birokkalı kazanımı vardır ve bu avantajlar sebebiyle yazılım geliştiricilerin sıkça tercih etmiş olduğu bir arayüz olmuşdolaşma. İşte detaylı olarak niye C# IEnumerable kullanmalıyız:

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

but this violates the IEnumerable semantics and the time came when I got wrong results. so switched to orderly creating a fresh iterator instance (see C# IEnumerable Nedir my answer)

There are pros and cons to both. If you call ToList, you may remove some mystery birli to when the query gets executed. If you stick to IEnumerable, you get the advantage that the yetişek C# IEnumerable Nasıl Kullanılır doesn't do any work until it's actually required.

This takes an IEnumerator factory function, which usually hayat be provided very easily instead of the single IEnumerator instance (which yields wrong results after first iteration and breaks the semantics of IEnumerable). This avoids the issues marked by Marc Gravell and establishes full IEnumerable behavior.

IEnumerable enable implicit reference conversion C# IEnumerable Nedir for array types which known kakım Covariance. Consider the following example:

RastoRasto 17.6k4848 gold badges161161 silver C# IEnumerable Nerelerde Kullanılıyor badges253253 bronze badges 5 1 Unfortunately you have to make your own. The most conservative approach would be for you to cache all the items inside your new enumerable, C# IEnumerable Nasıl Kullanılır to handle enumerators that birey only be enumerated once, so there is no general class for this in the runtime.

Projeyi yayınladıgınız vakit user secrets kullanılmıyor. Bu sadece geliştirme aşamasında kullanılabilir.