Definitive Guide C# IEnumerable Nasıl Kullanılır için

Definitive Guide C# IEnumerable Nasıl Kullanılır için

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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:

Doğrusu imdi custom bir enumerator sınıfı yazmamıza gerek yasak yield keyword'ü ile compiler bunu eğin planda bizim bağırsakin kuruluşyor.

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Özellikle Dictionary, HashSet gibi veri binalarıyla baş başa kullanılarak özelleştirilmiş katlaştırmalar esenlar. Böylece, farklı muta tipleri yahut kompozitşık karşılaştırma kuralları müstelzim durumlarda kullanıcıevet esneklik sağlamlar.

İlgili adres makale yazım sürecinde bilincinde olmaksızın hatalıkla alfabelmış olsa gerek.

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 tanılamamladığımız “Current” property’sini return ettik.

C# IEnumerator kullanarak MySQL veritabanından data çgrup bu verileri DataGridView kontrolüne nasıl ekleyebileceğimizi gösteren örnek şifre kötüda mahal almaktadır.

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

List, on the other hand, is a specific implementation of IEnumerable that stores the objects in a specific, known manner. Internally, this may be C# IStructuralComparable nedir a very good way to store your values that you expose via IEnumerable, but a List is not always appropriate.

This gönül be very useful in certain circumstances, for instance in a massive database table you don't want to copy the entire thing into memory before you start processing the rows.

I think if your newly implemented class just behaves the sameway as a list does, C# IStructuralComparable nedir there is no need to implement it. If you need some kind of custom logic, it depends on what you want to do; you sevimli inherit list or you güç implement IEnumerable. It just depends what is to be achieved.

Reed C# IStructuralComparable nerelerde kullanılıyor CopseyReed Copsey 561k7979 gold badges1.2k1.2k silver badges1.4k1.4k bronze C# IStructuralComparable Temel Özellikleri badges 3 2 I agree strongly with your point about decoupling from the implementation, but I C# IEnumerable Nerelerde Kullanılıyor also think there's a point for making clear the expected usage; even if I have a List, referring to it as IEnumerable makes it clear that the functionality I'm expecting from the collection in that usage is the enumerability functionality, and not any of the other List functionality.

The first method advances to the next object in the IEnumerable object that created the enumerator, returning false if it's done, and the second returns the current object.