5 Temel Unsurları için C# IEnumerable Kullanımı

5 Temel Unsurları için C# IEnumerable Kullanımı

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Implementation of IEnumerable is generally the preferred way for a class to indicate that it should be usable with a "foreach" loop, and that multiple "foreach" loops on the same object should operate independently.

Hayat a unique position be deduced if pieces are replaced by checkers (can see piece color but hamiş type)

I changed the names of my original objects so that this looks like a more generic example. The query itself is not that important. What I want to ask is this:

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.

An IEnumerator is a thing that dirilik enumerate: it başmaklık the Current property and the MoveNext and Reset methods (which in .Kemiksiz code you probably won't call explicitly, though you could).

Why do many philosophers consider a past-eternal universe to be self-explanatory but hamiş a universe that began with no cause?

IQueryable allows for out-of memory things like a remote veri source, such birli a database or web service.

Oluşturduğunuz klası, derlem oluştururken veya karşıtlaştırma gerektiren gayrı senaryolarda kullanabilirsiniz.

) without affecting original veri." is confusing. Do you mean that the new list returned hayat been added to, and elements güç be removed but no updates? I thought that because it returned ienumerable you hayat modify the elements in C# IStructuralComparable Kullanımı the list, i.e. change a property like you said but you kişi't add and remove items in the list. Is that correct?

Bu soruya sadece kayıtlı kullanıcılar yanıt yazabilirler. Yanıt söylemek derunin lütfen giriş binanız.

Oh sure, you kişi use it to create your own custom collection types. But for everyday stuff, it probably isn't as useful bey the collections derived from it.

IEnumerable is an interface that tells us that we sevimli enumerate over a sequence of T instances. If you need to allow somebody to see C# IStructuralComparable Kullanımı and perform some action for each object in a collection, this is adequate.

Then you'll never have more than one line of the file in memory at a time, and if C# IStructuralComparable nerelerde kullanılıyor you finish the loop earlier (perhaps it was a search and you found what you needed) you might hamiş need to read the C# IStructuralComparable nedir whole file. Or if you're reading the results from a large SQL query you birey limit your memory use to a single record.

IEnumerable C# IStructuralComparable nedir tipi veriyi önce belleğe atıp arkası sıra bellekteki bu data üzerinden belirtilen koşulları çkırmızııştırır ve veriye uygular.