Greatest Kılavuzu C# IEnumerable Temel Özellikleri için

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:

Koleksiyonlar Ortada Gezinmeyi Sağlamlar: IEnumerable, koleksiyonlar beyninde kolayca gezinmenizi sağlar. GetEnumerator metodu ile koleksiyonun her bir elemanına erişebilir ve bu elemanlar üzerinde muamele yapabilirsiniz.

An IEnumerable is a thing that gönül be enumerated...which simply means that it saf a GetEnumerator method that returns an IEnumerator.

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

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

While it might seem that only array types can make use of this construct, the truth of the matter is

The constructor is not responsible for returning data to the caller. 2-We need to call a method that returns the cars array. That is in a real-world case, a method that returns an array should be coded in Garage and it should return an array, in which case, there would be no need to use IEnumerable.

Else use an IEnumerable. The default should be to use the on-demand evaluation in the second example, bey that generally uses less memory, unless there is a specific reason to C# IEnumerable Temel Özellikleri store the results in a list.

Are there substantive differences between the different approaches to "size issues" in category theory?

" 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 C# IEnumerable Nasıl Kullanılır AllSpotted() and the parameters of Feline() and Canine() into IQueryable, then the filter would happen in SQL and this answer would make C# IEnumerable Nedir sense.

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

Below mentioned small test might help you understand one aspect of difference between IQueryable and IEnumerable. I've reproduced C# IEnumerable Kullanımı this answer from this post where I was trying to add corrections to someone else's post