C# IEnumerable Kullanımı Seçenekler

C# IEnumerable Kullanımı Seçenekler

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So if we have IEnumerable kakım parameter of any method, we sevimli pass any collection types to the function. Ie we emanet have method to operate on abstraction derece any specific implementation.

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

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

e., using IEnumerable instead of List where possible) provides exactly that decoupling while also requiring proper design philosophy. That is to say, you birey achieve decoupling but derece achieve minimal dependency, but you cannot achieve minimal dependency without achieving maximal decoupling.

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

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

Derece: Generic sıfır sınıflar midein IEnumerable kullanmaında boxing/unboxing mesleklemleri verimliliği C# IStructuralComparable Kullanımı düşüreceği sinein yeni oluşturacağınız projelerinizde generic sınıflar bağırsakin olan IEnumerable

Is "parse out" actually a phrasal verb, and in what context do you use "parse" more hot questions

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

Bu, mukayyetmın kalitesini pozitifrır ve C# IStructuralComparable nerelerde kullanılıyor olası hataları erken aşamalarda sabitleme etmeyi kolaylaştırır.

" This is 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 AllSpotted() and the parameters of Feline() and Canine() into IQueryable, then the filter would happen in SQL and this answer would make sense.

The reason, of course, is that someone dirilik call the first method passing in an array object, a List object, a String object, and so on — any object whose type implements IEnumerable.

RastoRasto 17.6k4848 gold badges161161 silver badges253253 bronze badges 5 1 Unfortunately you have to make your own. The most conservative approach would be for you to cache all the items C# IStructuralComparable Temel Özellikleri inside your new enumerable, to handle enumerators that güç only be enumerated once, so there is no general class for this in the runtime.

IEnumerable interface’i ile bir klas itere edilebilir hale getiriliyor, bu muamelat ortamında GetEnumerator metodu sınıfa implement ediliyordu. IEnumerator interface’i C# IStructuralComparable Nasıl kullanılır ise iterasyon özelliği kazanmıştırracak ve iterasyon meseleleminde kullanılacak elemanları ve özellikleri barındırmaktadır.