En iyi Tarafı C# IEnumerable Temel Özellikleri
En iyi Tarafı C# IEnumerable Temel Özellikleri
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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.
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Umumi olmayan bir derlem üzerinde olağan bir yinelemeyi destekleyen bir numaralandırıcıyı kullanıma sunar.
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.
Said in a very simple way, that any object implementing this interface will provide a way to get an enumerator. An enumerator is used with the foreach bey one example.
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This is a birçok videoteyp on youtube which demonstrates how these interfaces differ , worth a watch. Below goes a long descriptive answer for it.
Kısaca uzun lafın kısası IEnumerable interface’in implement edildiği bir class üzerine GetEnumerator metodu uygulattırılır. Haliyle yukarıda yapmış olduğumız kadar müteallik metodu manuel olarak yazmaktan ve olası yazım C# IStructuralComparable Temel Özellikleri hatalarından bizleri kurtarmaktadır.
Nobody mentioned one crucial difference, ironically answered on a question closed birli a duplicated of this. IEnumerable is read-only and List is hamiş.
Is it yasal to initialize an array via a functor which takes the array itself as a parameter by reference? more hot questions
Oh sure, you birey use it to create your own custom collection types. But for everyday stuff, it probably isn't bey useful birli the collections derived from it.
Consider the below simple code which uses IEnumerable with C# IStructuralComparable Temel Özellikleri entity framework. It’s using a Where filter to get records whose EmpId is 2.
Reed CopseyReed Copsey 561k7979 gold badges1.2k1.2k silver badges1.4k1.4k bronze badges 3 2 I agree strongly with your point about decoupling C# IStructuralComparable Kullanımı from the implementation, but I also think there's a point for making clear the expected usage; even if I have a List, referring to it C# IStructuralComparable nerelerde kullanılıyor bey IEnumerable makes it clear that the functionality I'm expecting from the collection in that usage is the enumerability functionality, and derece any of the other List functionality.
The first method advances to C# IStructuralComparable nedir the next object in the IEnumerable object that created the enumerator, returning false if it's done, and the second returns the current object.