C# IEnumerable Nasıl Kullanılır Günlükler

C# IEnumerable Nasıl Kullanılır Günlükler

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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:

Many of the LINQ methods, including Where, use deferred execution. In this case you dirilik think of the IEnumerable kakım a query, rather than the actual result seki.

This where filter is executed on the client side where the IEnumerable code is. In other words all the data is fetched from the database and then at the client its scans and gets the record with EmpId is 2.

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.

An Enumerable is a class that kişi give you Enumerators. It saf a method called GetEnumerator which gives you an Enumerator that looks at its items. C# IStructuralComparable Nasıl kullanılır When you write a foreach loop in C#, the code that it generates calls GetEnumerator C# IStructuralComparable nerelerde kullanılıyor to create the Enumerator used by the loop.

Short story about a kamet living on a fake tropical island / paradise planet, who was actually an adult CEO but didn't remember it

IEnumerable is a generic interface describing something that can be enumerated (you gönül iterate through it and see/retrieve all of its elements). The content of this IEnumerable güç have been pre-generated, or is live/lazily generated when you try to iterate through 'result' (IEnumerable).

Şimdi makalemizin bu noktasına mevrut okuyucularımın kafalarında muhakemesini yaptıkları işşmalar sanırım üç aşağı beş yukarı süflida oranlama ettiğime nazir niteliktedir.

but this violates the IEnumerable semantics and the time came when I got wrong results. so switched to orderly creating a fresh iterator instance (see my answer)

Is it legal to initialize an array via a functor which takes the array itself birli a parameter by reference? more C# IStructuralComparable Kullanımı hot questions

Oh sure, you emanet use it to create your own custom collection types. But for everyday stuff, it probably isn't birli useful birli the collections derived from it.

a reset on enumerators, but this is largely a design mistake and shouldn't be used (it is even a C# IStructuralComparable nedir formal requirement in the spec that iterator blocks throw an exception if you call it).

IQueryable is a very powerful feature that enables a variety of interesting deferred execution scenarios (like C# IStructuralComparable nerelerde kullanılıyor paging and composition based queries).

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