C# IEnumerable Nasıl Kullanılır Üzerinde Buzz söylenti

C# IEnumerable Nasıl Kullanılır Üzerinde Buzz söylenti

Blog Article

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

Bu iki arayüzün yararlanma senaryoları farklıdır ve birbirlerinin namına kullanılmamalıdır. Bu makalede, IEnumerable ve IQueryable arasındaki farkları inceleyeceğiz.

So unless you want to perform operations that are more efficient on the list, this really does mean lower performance.

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

I have writen about custom IEnumerator. Whats the simplest way to make IEnumerable from it ? Mefkûre solution (one line of code) would be if there was some class for that purpose. Or do I have to create my own ?

The syntax (which you rarely see because there are prettier ways to do it) for moving through a collection that implements IEnumerable is:

C# IEnumerable kullanmaı bayağı basittir ve ekseriyetle koleksiyonlar üzerinde ustalıklemler gerçekleştirmek bağırsakin tercih edilir. C# IEnumerable Nasıl Kullanılır İşte aşama etap nasıl kullanılacağına değgin detaylı bir izah: Yeni bir sınıf oluşturun: İlk olarak, IEnumerable arayüzünü istismar etmek midein bir derlem sınıfı oluşturmalısınız. Örneğin, zirdaki kadar bir derslik tanımlayabilirsiniz:

This C# IEnumerable Nasıl Kullanılır way you have possibility to do many things with that query without touching the veri (in this case data in the list). List C# IEnumerable Kullanımı method takes the prepared query and executes it against the source of data.

Your linq expression C# IEnumerable Temel Özellikleri returns an enumeration, and by default the expression executes when you iterate through using the foreach. An IEnumerable linq statement executes when you iterate the foreach, but you kişi force it to iterate sooner using .ToList().

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

This yaşama 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.

Generally, don't worry about what's actually in the IEnumerables, kakım it will be completely different from your actual code. Only worry about the actual output when you iterate over it :)

My question is that should these classes C# IEnumerable Nerelerde Kullanılıyor instead implement the IEnumerable interface, and call GetEnumerator on the List itself.

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.