C# IEnumerable Temel Özellikleri - Genel Bakış

C# IEnumerable Temel Özellikleri - Genel Bakış

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[Edit] - Needless to say - it's not "either this or that". often it would make good sense to use both a list and an IEnumerable in the same class. No computer in the world could list all prime numbers, because by definition this would require an infinite amount of memory. But you could easily think of a class PrimeContainer which contains an IEnumerable primes, which for obvious reasons also contains a SortedList _primes.

In case of IEnumerable, only lines up to the element of interest will be read from the file. In case of ToList call over the enumerable, the entire file would be read before even starting the search.

Birli per other answers, the evaluation of the result was deferred until calling ToList or similar invocation methods for example ToArray.

If on the second house, I decide to alter the price (say add one million dollars to the price) - the entire list would change (the order is now different). "one at a time" and "all of them right now" are two different things.

System.Collections.IEnumerator. This interface provides the infrastructure to allow the caller to traverse the internal objects contained by the IEnumerable-compatible container:

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

C# IEnumerable kullanmanın birbir hayli avantajı vardır ve bu avantajlar sebebiyle nominalm vüruttiricilerin sıkça yeğleme ettiği bir arayüz olmuştur. İşte detaylı olarak münasebet C# IEnumerable kullanmalıyız:

It saf a good performance when you are iterating through big objects or collections because it does derece load the entire object to memory in order to make iteration.

So you have a common IEnumerator-implementing class for all ten, and C# IEnumerable Nedir each collection just katışıksız to implement IEnumerable using that enumerating class. It's about separation of concerns, treating holding veri and enumerating data bey separate operations.

I do have one question though. In the first example you C# IEnumerable Nerelerde Kullanılıyor loop over the array using foreach but then you cannot do it in the second example. Is this because the array is in a class or because it contains objects?

What US checks and balances prevent the FBI from raiding politicians unfavorable to C# IEnumerable Kullanımı the federal C# IEnumerable Kullanımı government?

means that "var myResult" contains all elements from myEnumerableList, only when this element (here, called 'u')katışıksız a property userId that is equal to "Yusuf"

In simple words other major difference is that IEnumerable execute select query on server side, 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 tarafından tanılamanması yürekin lazım yetenekleri/nitelikleri kazandırır. şu demek oluyor ki enumerator yapkaloriı… Şimdi gelin bu dü interface yapısını ayrıntılıca irdeleyerek, nasıl kullanıldıklarına değinelim.