En iyi Tarafı C# IEnumerable Nedir

En iyi Tarafı C# IEnumerable Nedir

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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:

Örneğin oluşturduğumuz bir List içine tığ Add komutu ile ekleme yapabiliyoruz yahut Count ile içerisinde bulunan elemanların sayısını alabiliyoruz ve bunu foreach içinde kullanabiliyoruz. Pekâlâ List bir derslik olmasına karşın foreach nasıl buna izin veriyor?

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

IEnumerable execute a select query on the server side, load data in-memory on a client-side and then filter data

In C# 4 and earlier the object obj; is declared outside of the while loop, this changes the behavior of the loop when working with things that capture variables like anonymous functions.

Short story about a gestalt living on a fake tropical island / paradise planet, who was actually an adult CEO but didn't remember it

Şimdi bu ifadelerin elan belirgin olması derunin bir örnek üzerinden gidelim ve bir C# IEnumerable Kullanımı önceki tasarmızda custom Enumerator derslikı ile yazdığımız Alisveris Sepeti iterator örneği yolırlayalım:

the IEnumerable interface, so anything you can do with a "plain" C# IStructuralComparable nedir IEnumerable, you hayat also do with an IQueryable. IEnumerable just has a GetEnumerator() method that returns C# IStructuralComparable Nasıl kullanılır an Enumerator for which you gönül call its MoveNext() method to iterate through a sequence of T

Now what makes IEnumerable really stand out is iterator blocks (the yield keyword in C#). Iterator blocks implement the IEnumerable interface like a List 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 hayat write an iterator block to handle the file input.

Are there substantive differences between the different approaches to "size issues" in category C# IStructuralComparable Nasıl kullanılır theory? more hot questions lang-cs

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

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If you are writing a class, and your class implements the IEnumerable C# IEnumerable Temel Özellikleri interface (generic (T) or hamiş) you're allowing any consumer of your class to iterate over its collection without knowing how it's structured.