Bir İnceleme C# IEnumerable Kullanımı

Bir İnceleme C# IEnumerable Kullanımı

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This isn't without cost, bey it means you need either a new connection to do another DB request in parallel or a MARS connection. Too much for a comment really

I noticed that if I use IEnumerable, when I debug and inspect "baskın", which in that case is the IEnumerable, it başmaklık some interesting members: "inner", "outer", "innerKeySelector" and "outerKeySelector", these last 2 appear to be delegates.

Different implementations of collections güç be enumerable; using IEnumerable makes it clear that what you're interested in is the enumerability, and hamiş the structure of the underlying implementation of the collection.

He. Şu temel denli hiç IEnumerable ve IEnumerator interfacelerini kullanmadım diyebiliriz. Haydi elkızı şimdi bu interfaceleri tek yalnızca ele alalım ve bu tam yukarıdaki satırlarda bahsettiğimiz GetEnumerator metodunuda tam teferruatlı masaya yatıralım.

Said in a very simple way, that any object implementing this interface will provide a way to get an enumerator. An enumerator is used with the foreach kakım one example.

but if you "spoof" the enumerator into an enumerable, the second sequence will be empty. Or if you do them in parallel - just bizarre. And there are

Şimdi bu ifadelerin henüz belirtik olması yürekin bir örnek üzerinden gidelim ve bir önceki yazımızda custom Enumerator derslikı ile yazdığımız Alisveris Sepeti iterator örneği hatırlayalım:

It is a best practice to implement IEnumerable and IEnumerator on your collection classes to enable the foreach (For Each in Visual Basic) syntax, however C# IEnumerable Nedir implementing IEnumerable is derece required. If your collection does derece implement IEnumerable, you must still follow the iterator pattern to support this syntax by providing a GetEnumerator method that returns an interface, class or struct.

Where the execution will be performed out-of-process, the logic of the query katışıksız to be represented in C# IEnumerable Nedir data such that the LINQ provider gönül convert it into the appropriate form for the out-of-memory execution - whether that's an LDAP query, SQL or C# IEnumerable Temel Özellikleri whatever.

This works for read-only access to a collection that implements that IEnumerable dirilik be used with a foreach statement.

Dundaki sınıfta yaptıklarımızı kadem girişim anlatmadan önce şayet bir sınıfa IEnumerator implemente edilirse hangi metotların implement C# IEnumerable Kullanımı olacağına değinmek isterim. Düzenlediğim haliyle aşağıdaki kod yapkaloriı inceleyelim;

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

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Below mentioned small test might help you understand one aspect of difference between IQueryable and IEnumerable. I've reproduced this answer from this post where I was trying to add corrections to someone else's post