You Should Know C# IEnumerable Temel Özellikleri Göstergeleri

You Should Know C# IEnumerable Temel Özellikleri Göstergeleri

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Özellikle Dictionary, HashSet kabil bilgi yapılarıyla baş başa kullanılarak özelleştirilmiş karşıtlaştırmalar sağlamlar. Sonunda, farklı data tipleri veya katışıkşık muhaliflaştırma kuralları gerektiren durumlarda kullanıcıya esneklik katkısızlar. C# IEqualityComparer Temel Özellikleri ve Tasarrufı

Many of the LINQ methods, including Where, use deferred execution. In this case you gönül think of the IEnumerable birli a query, rather than the actual result seki.

Genel olmayan bir derlem üzerinde kıytırık bir yinelemeyi destekleyen bir numaralandırıcıyı kullanıma sunar.

There are many differences but let us discuss about the one big difference which makes the biggest difference. IEnumerable interface is useful when your collection is loaded using LINQ or Entity framework and you want to apply filter on the collection.

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

The compiler performs pattern matching. The GetEnumerator method just needs to return a class / struct which in turn saf a Current property and a MoveNext method that returns a bool. I kişi highly recommend Eric Lipperts blog post about pattern matching

The primary difference is that the C# IEnumerable Nedir LINQ operators for IQueryable take Expression objects instead of delegates, meaning the custom query logic it C# IStructuralComparable Kullanımı receives, e.g., a predicate or value selector, is in the form of an expression tree instead of a delegate to a method.

For small result sets this is likely to be a single trip, for large ones you're sending a request for more rows from the results, but it doesn't re-run the entire query.

IQueryable ise öncelikle nişanğimiz koşula bakılırsa bir sorgu uygulayıp bunula database’e gidiyor zaruri verileri aldıktan sonrasında bize dcivarüş katkısızlıyor.

By using IEnumerable in your API, you provide yourself the flexibility to change the internal implementation at any time without changing any other code

IEnumerable is refering to a collection but IQueryable is just a query and it will be generated inside a Expression Tree.we will run this query to get veri from database. Share Follow

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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 birli IEnumerable makes it clear that the functionality C# IStructuralComparable nerelerde kullanılıyor I'm expecting from the collection in that usage is the enumerability functionality, and not any of the other List functionality.

The first method advances to C# IStructuralComparable nedir the next object in the IEnumerable object that created the enumerator, returning false if it's done, and the second returns the current object.