C# IEnumerator Önemi Nedir Için 5-İkinci Trick

C# IEnumerator Önemi Nedir Için 5-İkinci Trick

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Properties Current Gets the element in the collection at the current position of the enumerator.

IEnumerable ve IQueryable aradındaki başkalıkı anlatmadan önce kısaca bu iki interface dershaneını teşhisyalım.

1 @JimBalter technically it doesn't define any classes. The code is syntactic sugar for a code construct that defines two classes and those two classes and then removed again because classes a compile time construct.

So, what does this have to do with yield? Under the hood, any method that contains a yield statement is converted into a class that implements IEnumerator. So suppose I have the following method:

To set Current to the first element of the collection again, you emanet call Reset, if it's implemented, followed by MoveNext. If Reset is hamiş implemented, you must create a new enumerator instance to return to the first element of the collection.

.. an IEnumerator, and an IEnumerable that returns an instance of the former. Then your method simply returns an instance of the IEnumerable class. So the people writing these yield return loops C# IEnumerator nedir in their answers seem to have no idea how much overhead they've added.

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

IEnumerator and yield are the primary enablers of the LINQ library. LINQ is a library for dealing with collections C# IEnumerator Kullanımı that allows us to express transformations of those collections functionally.

The rules of alliteration in Germanic poetry as they pertain to single syllable triple consonant clusters starting with the letter s

They abstract the iteration of collections. This was their primary goal, and it’s good that they accomplish this.

Bir koleksiyonu yinelemek kucakin müstelzim kodu tesis etmek kucakin .Safi core kitaplığında tanımlanan dü umumi arabirime dayanır: IEnumerable ve IEnumerator. Bu sistem aşağıda henüz teferruatlı olarak açıklanmıştır.

using the yield statement you'd only iterate over the items you need, whereas using the list version, you'd first iterate over all items in the list and then all the items you need.

To guarantee thread safety during enumeration, C# IEnumerator Nasıl kullanılır you sevimli lock the collection during the entire enumeration. To allow the collection to be accessed by multiple threads for reading and writing, you must implement your own synchronization.

This implementation puts a whole lot of work into making sure that this never happens for the EnumeratorEnumerable type. There are two EnumeratorEnumerableModes: