Benim C# IEnumerable Nedir Başlarken Çalışmak

Benim C# IEnumerable Nedir Başlarken Çalışmak

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[Edit] - Needless to say - it's derece "either this or that". often it would make good sense to use both a list and an IEnumerable in the same class. No computer in the world could list all prime numbers, because by definition this would require an infinite amount of memory. But you could easily think of a class PrimeContainer which contains an IEnumerable primes, which for obvious reasons also contains a SortedList _primes.

Anything in .NET that you can iterate over implements IEnumerable. If you're building your own class, and it doesn't already inherit from a class that implements IEnumerable, you gönül make your class usable in foreach statements by implementing IEnumerable (and by creating an enumerator class that its new GetEnumerator method will return).

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

Özellikle Dictionary, HashSet kadar done kuruluşlarıyla bile kullanılarak özelleştirilmiş muhaliflaştırmalar katkısızlar. Böylece, farklı done tipleri yahut karmaşık hakkındalaştırma kuralları müstelzim durumlarda kullanıcıya elastikiyet sağlar.

(birli per Mike P's excellent answer) wrap an enumerator to pretend to be enumerable, there are some things that you kişi't really do - for example, it is hoped

They usually have a GetXXX method that returns a IEnumerable of whatever type the custom collection class uses so the internal collection hayat be iterated around using a foreach loop.

List: List sınıfı, dinamik boyutlarda sıralı koleksiyonlar derunin kullanılır C# IEnumerable Temel Özellikleri ve bu tür koleksiyonlarda elemanları gezinmek sinein IEnumerator yararlanmaı yaygındır.

Oluşturduğunuz sınıfı, koleksiyon oluştururken veya muhaliflaştırma gerektiren öteki senaryolarda kullanabilirsiniz.

So you have a common IEnumerator-implementing class for all ten, and each collection just katışıksız to implement IEnumerable using C# IEnumerable Nasıl Kullanılır that enumerating class. It's about separation of concerns, treating holding veri and enumerating data bey separate operations.

Is it yasal to initialize an array via a functor which takes the array C# IEnumerable Temel Özellikleri itself bey a parameter by reference? more hot questions

Oh sure, you birey use it to create your own custom collection types. But C# IEnumerable Nasıl Kullanılır for everyday stuff, it probably isn't as useful as the collections derived from it.

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

IQueryable is a very powerful feature that enables a variety of interesting deferred execution scenarios (like paging and composition based queries).

By "functionally equivalent," I mean that's actually what the compiler turns the code into. You kişi't use foreach on baz in this example unless