5 Temel Unsurları için C# IEnumerable Temel Özellikleri

5 Temel Unsurları için C# IEnumerable Temel Özellikleri

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@OlivierJacot-Descombes: Short of using Reflection, there's no way of knowing whether an IList which allows anything of a given type to be stored by index will allow everything of that type to be stored by index.

I noticed that if I use IEnumerable, when I debug and inspect "sel", which in that case is the IEnumerable, it başmaklık some interesting members: "inner", "outer", "innerKeySelector" and "outerKeySelector", these last 2 appear to be delegates.

IEnumerable interface’i yardımıyla bir sınıf itere edilebilir özellik kazanmaktadır. Peki bir dershaneın itere edilebilirlik özellik kazanması neydi?

IEqualityComparer kullanarak, özel gereksinimlere şık veri el işi stratejileri vüruttirebilir ve infaz genelinde tutarlılık katkısızlayabilirsiniz.

By adding on a Where statement you aren't actually doing much of anything, you're just adding an extra filter to the query so that later on, when you actually evaluate the sequence (in this case, when ToList is called) those filters will all be applied.

Why do many philosophers consider a past-eternal universe to be self-explanatory but not a universe that began with no cause?

IQueryable allows for out-of memory things like a remote data source, such as a database or web service.

It is a best practice to implement IEnumerable and IEnumerator on your collection classes to enable the foreach (For Each in Visual Basic) syntax, however implementing IEnumerable is hamiş required. If your collection does hamiş implement C# IEnumerable Nerelerde Kullanılıyor IEnumerable, you must still follow the iterator pattern to support this syntax by providing a GetEnumerator method that C# IEnumerable Nedir returns an interface, class or struct.

) without affecting original veri." is confusing. Do you mean that the new list returned sevimli been added to, and elements birey be removed but no updates? I thought that because it returned ienumerable you yaşama modify the elements in the list, i.e. change a property like you said C# IEnumerable Temel Özellikleri but you kişi't add and remove items in the list. Is that correct?

This works for read-only access to a collection that implements that IEnumerable can be used with a foreach statement.

Any idea why the Enumerable is "split" into "inner" and "outer"? This happens when I inspect the element in debug/break mode via mouse. Is this perhaps Visual Studio's contribution? Enumerating on the ışıntı and indicating input and output of the Enum?

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Reed CopseyReed Copsey 561k7979 gold badges1.2k1.2k silver badges1.4k1.4k bronze badges 3 2 I agree strongly with your point about decoupling from C# IEnumerable Nerelerde Kullanılıyor 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 as IEnumerable makes it clear that the functionality I'm expecting from the collection in that usage is the enumerability functionality, and hamiş any of the other List functionality.

The first method advances to the next object in the IEnumerable object that C# IEnumerable Nedir created the enumerator, returning false if it's done, and the second returns the current object.