You Should Know C# IEnumerable Temel Özellikleri Göstergeleri

You Should Know C# IEnumerable Temel Özellikleri Göstergeleri

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Botz3000Botz3000 39.4k88 gold badges106106 silver badges128128 bronze badges 1 I believe this is was not asked here so it hayat be a comment hamiş an answer, but anyway makes sense from refactoring standpoint

var kısmından biraz bahsedersek var burada mevrut kıymeti en oflaz nasıl saklayabileceğini belirleyip yapkaloriı bu şekilde ayarlıyor. Yani IQueryable kullanıyor.

The second example returns an IEnumerable that contains all the information needed to run the query later on.

e., using IEnumerable instead of List where possible) provides exactly that decoupling while also requiring proper design philosophy. That is to say, you yaşama achieve decoupling but not achieve minimal dependency, but you cannot achieve minimal dependency without achieving maximal decoupling.

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IEnumerator is a class that enumerates collections. A class that implements IEnumerable returns an IEnumerator. A class that implements IEnumerator saf custom enumeration logic.

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

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In a izlence, it may be better to defer converting your query to a list until the very end, so if I'm going to enumerate through Leopards and Hyenas more than once, I'd do this:

" This is false, because the where clause is getting called on an IEnumerable 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 C# IEnumerable Nedir Canine() into IQueryable, then the filter would happen in C# IEnumerable Nerelerde Kullanılıyor SQL and this answer would make sense.

But if your class cannot act like a collection then provide a public IEnumerable property for its elements:

IEnumerable is an interface that defines one method GetEnumerator which returns an IEnumerator interface, this in C# IEnumerable Temel Özellikleri turn allows readonly access to a collection. A collection that implements IEnumerable gönül be used with a foreach statement.

The most important thing to realize is that, using Linq, the query does C# IEnumerable Nasıl Kullanılır not get evaluated immediately. It is only run as part of iterating through the resulting IEnumerable in a foreach - that's what all the weird delegates are doing.