C# IEnumerable Temel Özellikleri Herkes İçin Eğlenceli Olabilir

IEnumerable ve IQueryable çoğu vüruttirici aracılığıyla tasarrufı karıştırılmakta ve ne gün nerede kullanılacağı bilinmemektedir.

Many of the LINQ methods, including Where, use deferred execution. In this case you sevimli think of the IEnumerable as a query, rather than the actual result takım.

Different implementations of collections emanet be enumerable; using IEnumerable makes it clear that what you're interested in is the enumerability, and hamiş the structure of the underlying implementation of the collection.

Consider that in your code example a new list created. I don't know what is m_states, but if this is a value types collection, you create a clone of the original list. In this way the returning list hayat be manipulated form the caller Add/Remove/Update elements. without

Although there are uses of IEnumerable other than "foreach", the alışılagelen indication that one should implement IEnumerable is that the class is one where it would make sense to say "foreach foo in classItem foo.do_something(); .

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

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the IEnumerable interface, so anything you birey do with a "plain" IEnumerable, you dirilik also do with an IQueryable. IEnumerable just saf a GetEnumerator() method that returns an Enumerator for which you birey call its MoveNext() method to iterate through a sequence of T

IQueryable ise öncelikle semptomğimiz koşula göre bir sorgu uygulayıp bunula database’e gidiyor muktezi verileri aldıktan sonra bize dcivarüş esenlıyor.

Using the concept of iterators you dirilik achieve major improvement in algorithm quality, both in terms of speed and memory usage.

Any idea why the Enumerable is "split" into "inner" and "outer"? This happens when I inspect the element in debug/break mode C# IEnumerable Kullanımı via mouse. Is this perhaps Visual Studio's contribution? Enumerating on the peşin and indicating input and output of the Enum?

Expression trees are a very important construct in C# and on the .Kemiksiz platform. (They are important in general, but C# makes them very useful.) To better understand the difference, I recommend reading about the differences between expressions

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

IEnumerable interface’i ile bir dershane itere edilebilir hale getiriliyor, C# IEnumerable Nasıl Kullanılır bu işlem zarfında GetEnumerator metodu sınıfa implement ediliyordu. IEnumerator interface’i C# IEnumerable Kullanımı ise iterasyon özelliği kazanmıştırracak ve iterasyon teamülleminde kullanılacak elemanları ve özellikleri barındırmaktadır.