Botz3000Botz3000 39.4k88 gold badges106106 silver badges128128 bronze badges 1 I believe this is was not asked here so it hayat be a comment derece an answer, but anyway makes sense from refactoring standpoint
Koleksiyonlar Arasında Gezinmeyi Katkısızlar: IEnumerable, koleksiyonlar beyninde kolaylıkla gezinmenizi katkısızlar. GetEnumerator metodu ile koleksiyonun her bir elemanına erişebilir ve bu elemanlar üzerinde iş yapabilirsiniz.
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Katışık fonksiyonlarının özelleştirilmesi ve muta örgülarında performansı tasarruf etmek derunin GetHashCode yöntemi kullanılır.
Basıcı ki bu kabiliyet “List,ArrayList” gibi collectionlarda elan ileri seviye bir mimariyle sağlamlanır ancak biz basit bir mimariyle kendi iterasyon yeteneğine malik classlarımızı yazabiliriz.Hadi temellayalım.
Basically it katışıksız a method to get the next item in the collection. It doesn't need the whole collection to be in memory and doesn't know how many items are in it, foreach just keeps getting the next item until it runs out.
The primary difference is that the LINQ operators for IQueryable take Expression objects instead of delegates, meaning the custom query logic it receives, e.g., a predicate or value selector, is in the form of an expression C# IEnumerable Kullanımı tree instead of a delegate to a method.
IEnumerable and IEnumerator are both interfaces. IEnumerable saf just one method called GetEnumerator. This method returns (kakım all methods return something including void) another type which is an interface and that interface is IEnumerator. When C# IEnumerable Nedir you implement enumerator logic in any of your collection class, you implement IEnumerable (either generic or C# IEnumerable Temel Özellikleri non generic).
Else use an IEnumerable. The default should be C# IEnumerable Nedir to use the on-demand evaluation in the second example, birli that generally uses less memory, unless there is a specific reason to store the results in a list.
Are there substantive differences between the different approaches to "size issues" in category theory?
What US checks and balances prevent the FBI from raiding politicians unfavorable to the federal government?
Umarım bu yazıdan sonra dü tipin illet, nerede ve nasıl kullanılması gerektiğine üstüne yeterli bilgiye iye olmuşsunuzdur.
Reed CopseyReed Copsey 561k7979 gold badges1.2k1.2k silver badges1.4k1.4k bronze badges 3 2 I agree strongly with your point about decoupling from the implementation, but I also think there's a point for making clear the expected usage; even if I have a List, referring to it bey IEnumerable makes it clear that the functionality I'm expecting from the collection in that usage is the enumerability functionality, and not any of the other C# IEnumerable Nedir List functionality.
Here is why it loads twice birli fewer items kakım the first example on average. Let's say probability to find element at any position in the range of files is the same.