Hakkında C# IEnumerable Temel Özellikleri

Hakkında C# IEnumerable Temel Özellikleri

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If an airline is "countable", this means that there MUST be a flight attendant present on the plane, whose sole job is to count:

If you niyet to build a public API, it's better to use IEnumerable than List, because you better use the most minimalistic interface/class. List lets you access objects by index if that's required.

An IEnumerable is a thing that birey be enumerated...which simply means that it özgü a GetEnumerator method that returns an IEnumerator.

A. We iterate the list in different way, foreach dirilik be used for IEnumerable and while loop for IEnumerator.

I have writen about custom IEnumerator. Whats the simplest way to make IEnumerable from it ? Ideal solution (one line of code) would be if there was some class for that purpose. Or do I have to create my own ?

Quoting that article, 'Kakım per the MSDN documentation, calls made on IQueryable operate by building up the internal expression tree instead.

IEnumerator interface inden gelen “Current” propertysinin get metodunda kendi teşhismladığımız “Current” property’sini return ettik.

You don't have to open a book and learn how to traverse the tree - but simply use the foreach statement on that object and you're done.)

Now what makes IEnumerable really stand out is iterator blocks (the yield keyword in C#). Iterator blocks implement the IEnumerable interface like a List C# IEnumerable Nerelerde Kullanılıyor or an Array, but they're very special because unlike a List or Array, they often only hold the state for a single item at a time. So if you want to loop over the lines in a very large file, for example, you birey write an iterator block to handle the file input.

C# ile MySQL veritabanından veri listelemek bâtınin IEnumerable kullanarak aşağıdaki örnek kod kullanılabilir:

" This is C# IEnumerable Nasıl Kullanılır false, because the where clause is getting called on an IEnumerable and that only knows how to loop through objects which are already coming from the database. If you made the return of C# IEnumerable Temel Özellikleri AllSpotted() and the parameters of Feline() and Canine() into IQueryable, then the filter would happen in SQL and this answer would make sense.

Oluşturduğumuz constructor içinde C# IEnumerable Kullanımı params ile Calisan tipinde parametre girebileceğimi ve saykaloriın da uçuk olduğunu belirttik. Constructor içerisinde bile gelen parametreyi property üzerine atadık.

Joel CoehoornJoel Coehoorn 410k114114 gold badges576576 silver badges808808 bronze badges 3 3 The key of C# IEnumerable Nerelerde Kullanılıyor IEnumarable is that the backing collection is not enumerated until specifically expanded, be it a foreach or accessor via an indexer. Unfortunately IEnumarable seems to be blindly used kakım the lowest interface which now causes problems with asynchronous data manipulation (e.

In addition to all the answers posted above, here is my two cents. There are many other types other than List that implements IEnumerable such ICollection, ArrayList etc.