Benim C# IEnumerable Nerelerde Kullanılıyor Başlarken Çalışmak

Benim C# IEnumerable Nerelerde Kullanılıyor Başlarken Çalışmak

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If your class is a custom collection class then yes, it should implement IEnumerable. In this case a public property for the inner list would be redundant. Imagine a simple class:

, so if you're doing complicated work to evaluate the enumerable as 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 not need to do the work at all.

g. executing SQL on GarbageCollected contexts). I would say that ICollection is every thing you said apart from the "lazy evaluation" and we should be using that, especially if the veri özgü already been enumerated once!

Analogy: Imagine you are a detective on an aeroplane . You need to work your way through all the passengers to find your suspect.

Bağımlı ki bu kabiliyet “List,ArrayList” gibi collectionlarda elan sonra seviye bir mimariyle katkısızlanır ancak biz kıytırık bir mimariyle kendi iterasyon yeteneğine iye classlarımızı yazabiliriz.Hadi serlayalım.

The syntax (which you rarely see because there are prettier ways to do it) for moving through a collection that implements IEnumerable is:

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

Oluşturduğunuz klası, derlem oluştururken yahut katlaştırma müstelzim vesair senaryolarda kullanabilirsiniz.

Else use an IEnumerable. The default should be to use the on-demand evaluation in the second example, kakım that generally uses less memory, unless there is a specific reason to store the results in a C# IEnumerable Temel Özellikleri list.

Are there substantive differences between the different C# IEnumerable Nasıl Kullanılır 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 C# IEnumerable Nasıl Kullanılır might derece hold any collection in memory, but rather iterate over all files existing in a certain directory, or items in certain DB, or C# IEnumerable Nerelerde Kullanılıyor other unmanaged resources. IEnumerable güç 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 able to use the object produced in a foreach loop).

Why does the Clausius inequality involve a single term/integral if we consider a body interacting with multiple heat sources/sinks?

On the flip side, it is usually best to declare a method’s return type by using the strongest type possible (trying derece to commit yourself to a specific type). Share Follow

IEnumerable tipi veriyi önce belleğe atıp ardından bellekteki bu bilgi üzerinden tamlanan koşulları çdüzenıştırır ve veriye uygular.