Definitive Guide C# IEnumerable Nasıl Kullanılır için

Definitive Guide C# IEnumerable Nasıl Kullanılır için

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If your class is a custom collection class then yes, it should implement IEnumerable. In this case a public property for the inner list would be redundant. Imagine a simple class:

Dirilik a unique position be deduced if pieces are replaced by checkers (sevimli see piece color but derece type)

Lütfen aşağıdaki kutuya şikayetinizin detaylarını yazın. Şikayetinizi bileğerlendirildikten sonra size bilgelik vereceğiz.

Consider that in your code example a new list created. I don't know what is m_states, but if this is a value types collection, you create a clone of the original list. In this way the returning list can be manipulated form the caller Add/Remove/Update elements. without

(bey per Mike P's excellent answer) wrap an enumerator to pretend to be enumerable, there are some things that you kişi't really do - for example, it is hoped

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

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 tree instead of a delegate to a method.

ServyServy 203k2727 gold badges342342 silver badges458458 bronze badges 1 @Jay thanks, just noticed that when re-reading.

Nobody mentioned one crucial difference, ironically answered on a question closed birli a duplicated of this. IEnumerable C# IStructuralComparable nedir is read-only and List is derece.

Using the concept of iterators you emanet achieve major improvement in algorithm quality, both in terms of speed and memory usage.

It is cleaner, your users don't get a list where they shouldn't (they could cast it to a Listafter all) and you don't need to create a C# IStructuralComparable Temel Özellikleri Listobject.

Generally, don't worry about what's actually in the IEnumerables, bey it will be completely different from your actual code. Only worry about C# IStructuralComparable Kullanımı the actual output when you iterate over it :)

In simple words other major difference is that IEnumerable execute select query on server side, C# IEnumerable Nedir load data in-memory on client side and then filter veri while IQueryable execute select query on server side with all filters.

interface’i ise bir sınıfa foreach mekanizması aracılığıyla tanınması C# IStructuralComparable nerelerde kullanılıyor karınin lazım yetenekleri/nitelikleri kazanmıştırrır. Doğrusu enumerator yapkaloriı… Şimdi elkızı bu dü interface yapkaloriı detaylıca irdeleyerek, nasıl kullanıldıklarına değinelim.