Hakkında C# IEnumerable Temel Özellikleri

Hakkında C# IEnumerable Temel Özellikleri

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A. We iterate the list in different way, foreach güç be used for IEnumerable and while loop for IEnumerator.

Will I run into issues if I connect a shunt 50 ohm resistor over a high impedance input pin on an IC?

Basically it özgü a method to get the next item in the collection. It doesn't need the whole collection to be in memory and doesn't know how many items are in it, foreach just keeps getting the next item until it runs out.

So if I am going through all the items on ebay, one at a time would be something even a small computer güç handle, but ".ToList()" would surely run me out of memory, no matter how big my computer was. No computer emanet by itself contain and handle such a huge amount of veri.

IEnumerable gives you the way to implement your own logic of storing and iterating over object collection

Your linq expression returns an enumeration, and by default the expression executes when you iterate through using the foreach. An IEnumerable linq statement executes when you iterate the foreach, but you gönül force it to iterate sooner using .ToList().

There are many cases (such birli an infinite list or a very large list) where IEnumerable cannot be transformed to a List. The most obvious examples are all the prime numbers, all the users of feysbuk with their details, or all the items on ebay. The difference is that "List" objects are stored "right here and right now", whereas "IEnumerable" objects work "just one at a time".

This emanet be very useful in certain circumstances, for instance in a massive database table you don't want to copy the entire thing into memory before you start processing the rows.

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

RastoRasto 17.6k4848 gold badges161161 silver badges253253 C# IStructuralComparable nerelerde kullanılıyor bronze badges 5 1 Unfortunately you have to make your own. The most conservative approach would be for you to cache all the items inside your new enumerable, to handle enumerators that yaşama only be enumerated once, so there is no general class for this in C# IStructuralComparable Temel Özellikleri the runtime.

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