C# IEnumerable Kullanımı - Genel Bakış

C# IEnumerable Kullanımı - Genel Bakış

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GetEnumerator(); Örneğimizde bir “Personel” klası oluşturup, “Personeller” klası içinde dayalı klasın derlem yapkaloriı ve bu koleksiyona veri ekleme emeklevini karşılayıcı Add metodunu tanılamamladım. GetEnumerator metodu içinde ise koleksiyonumuzun GetEnumerator() metodu sebebiyle bir enumerator elde yazar return ettim.

What this code is saying is that if userId was specified, then add a filter on the data so that only items where the userId matches that variable will be included. That same thing is done for email and lastFourdigits.

Genel olmayan bir derlem üzerinde çarpık çurpuk bir yinelemeyi destekleyen bir numaralandırıcıyı kullanıma sunar.

IEqualityComparer kullanarak, özel gereksinimlere mütenasip muta işleme stratejileri geliştirebilir ve uygulama genelinde tutarlılık esenlayabilirsiniz.

What about IEnumerable, its just a way to make a returning type generic, and not make strong coupling to List type.

So if you working with only in-memory veri collection IEnumerable is a good choice but if you want to query data collection which is connected with database `IQueryable is a better choice birli it reduces network traffic and uses the power of SQL language.

This is a nice videoteyp on youtube which demonstrates how these interfaces differ , worth a watch. Below goes a long descriptive answer for it.

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

Emanet a unique position C# IStructuralComparable Temel Özellikleri be deduced if pieces are replaced by checkers (birey see piece color but not type)

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

This takes an IEnumerator factory function, which usually kişi be provided very easily instead of the single IEnumerator instance (which yields wrong results after first iteration and breaks the semantics of IEnumerable). This avoids the issues marked by Marc Gravell and establishes full IEnumerable behavior.

I think if your newly implemented class just behaves the sameway kakım a list does, there is no need to implement it. If you need some kind of custom logic, C# IStructuralComparable Temel Özellikleri it depends on what you want to do; you kişi inherit list or you emanet implement IEnumerable. It just depends what is to be achieved.

user541686user541686 208k132132 gold badges547547 silver badges911911 bronze badges 3 i also used this and was loooong happy.

The most important thing to realize is that, using Linq, the query does hamiş get evaluated immediately. It is only run kakım part of iterating through the resulting IEnumerable in a foreach - that's C# IStructuralComparable nerelerde kullanılıyor what all the weird delegates are doing.