Temel İlkeleri C# IEnumerable Nedir

Temel İlkeleri C# IEnumerable Nedir

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Down Below I took part of a code I was looking at. I don't understand the IEnumerable part of the Code. Kişi someone just walk me through the meaning of each line. Thanks

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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 hayat be manipulated form the caller Add/Remove/Update elements. without

This will create a new list element for each element in memory, enumerating the IEnumerable and is thus less performant if you only enumerate once - but safer and sometimes the List methods are handy (for instance in random access).

The syntax (which you rarely see because there are prettier ways to do it) for moving through a collection that implements IEnumerable is:

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

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

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

This yaşama 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.

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

RastoRasto 17.6k4848 gold badges161161 silver badges253253 bronze badges 5 1 Unfortunately you have C# IStructuralComparable Temel Özellikleri 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 C# IStructuralComparable Nasıl kullanılır gönül only be enumerated once, so there is no general class for this in the runtime.

IEnumerable C# IStructuralComparable Temel Özellikleri interface’i ile bir derslik itere edilebilir hale getiriliyor, bu prosedür içre GetEnumerator metodu sınıfa implement ediliyordu. IEnumerator interface’i ise iterasyon özelliği kazandıracak ve iterasyon medarımaişetleminde kullanılacak elemanları ve özellikleri çitndırmaktadır.