C# IEnumerable Temel Özellikleri Herkes İçin Eğlenceli Olabilir

C# IEnumerable Temel Özellikleri Herkes İçin Eğlenceli Olabilir

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Implementation of IEnumerable is generally the preferred way for a class to indicate that it should be usable with a "foreach" loop, and that multiple "foreach" loops on the same object should operate independently.

So when you have to simply iterate through the in-memory collection, use IEnumerable, if you need to do any manipulation with the collection like Dataset and other data sources, use IQueryable

Lütfen zirdaki kutuya şikayetinizin bilgilerinı gökçe yazın. Şikayetinizi değerlendirildikten sonra size vukuf vereceğiz.

It's effectively usage as documentation of intent; I find that those explicit documentations of intent tend to provide exactly that decoupling you point out.

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

The compiler performs pattern matching. The GetEnumerator method just needs to return a class / struct which in turn katışıksız a Current property and a MoveNext method that returns a bool. I C# IStructuralComparable Temel Özellikleri yaşama highly recommend Eric Lipperts blog post about pattern matching

Derece: Generic sıfır sınıflar yürekin IEnumerable kullanmaında boxing/unboxing davranışlemleri verimliliği düşüreceği için yeni oluşturacağınız projelerinizde generic sınıflar karınin olan IEnumerable

What US checks and balances prevent the FBI C# IStructuralComparable nerelerde kullanılıyor from raiding politicians unfavorable to the federal government?

Usually you don't use IEunumerable directly. It is the base class for a number of other collections that you are more likely to use. IEnumerable, for example, provides C# IStructuralComparable Nasıl kullanılır the ability to loop through a collection with foreach.

Are there substantive differences between the different approaches to "size issues" in C# IStructuralComparable Temel Özellikleri category theory?

" This is false, because the where clause is getting called on an IEnumerable C# IStructuralComparable Temel Özellikleri and that only knows how to loop through objects which are already coming from the database. If you made the return of AllSpotted() and the parameters of Feline() and Canine() into IQueryable, then the filter would happen in SQL and this answer would make sense.

a reset on enumerators, but this is largely a design mistake and shouldn't be used (it is even a formal requirement in the spec that iterator blocks throw an exception if you call it).

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

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