En Kuralları Of C# IEnumerable Nedir

En Kuralları Of C# IEnumerable Nedir

Blog Article

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

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

Şu anda deli dolu olarak web ve mobil projeler geliştiriyorum ve 2013 seneından beri makale yazma ile alay malay YouTube ve Udemy platformlarında videoteyp sineerik üretiyorum.

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 hamiş achieve minimal dependency, but you cannot achieve minimal dependency without achieving maximal decoupling.

What about IEnumerable, its just a way to make a returning type generic, and hamiş make strong coupling to List type.

şayet şimdiye derece forearch yapısını kullandıysanız esasen foreach konstrüksiyonsında döngüyü sağlayan hikâye alttaki listedede görebileceğiniz üzere IEnumarable klasından türetilen nesneleri kullanıyor olmamızdır.

Whenever I'm "stacking" LINQ expressions, I use IEnumerable, because by only specifying the behavior I give LINQ a chance to defer evaluation and possibly optimize the yetişek. Remember how LINQ doesn't generate the SQL to query the database until you enumerate it? Consider this:

Coming soon: Throughout 2024 we will be phasing out GitHub Issues as the feedback mechanism C# IStructuralComparable Temel Özellikleri for content and replacing it with a new feedback system. For more information see: .

So you have a common IEnumerator-implementing class for all ten, and each collection just özgü to implement IEnumerable using that enumerating class. It's about C# IStructuralComparable nerelerde kullanılıyor separation of concerns, treating holding data and enumerating data bey separate operations.

List, on the other hand, is a specific implementation of IEnumerable that stores the objects in a C# IStructuralComparable Kullanımı specific, known manner. Internally, this may be a very good way to store your values that you expose C# IStructuralComparable Kullanımı via IEnumerable, but a List is hamiş always appropriate.

And that might be useful and more efficient in certain cases. For example, your class might not hold any collection in memory, but rather iterate over all files existing in a certain directory, or items in certain DB, or other unmanaged resources. IEnumerable sevimli step in and do it for you (you could also do it without IEnumerable, but IEnumerable "fits" conceptually, plus it gives you the benefit of being able to use the object produced in a foreach loop).

But if your class cannot act like a collection then provide a public IEnumerable property for its elements:

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 C# IStructuralComparable Temel Özellikleri items inside your new enumerable, to handle enumerators that birey only be enumerated once, so there is no general class for this in the runtime.

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