2 Dakika Kural için C# IEnumerable Temel Özellikleri

2 Dakika Kural için C# IEnumerable Temel Özellikleri

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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:

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

g. executing SQL on GarbageCollected contexts). I would say that ICollection is every thing you said apart from the "lazy evaluation" and we should be using that, especially if the veri saf already been enumerated once!

Analogy: Imagine you are a detective on an aeroplane . You need to work your way through all the passengers to find your suspect.

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).

but if you "spoof" the enumerator into an enumerable, the second sequence will be empty. Or if you do them in parallel - just bizarre. And there are

IQueryable allows for C# IEnumerable Kullanımı out-of memory things like a remote data source, such kakım a database or web service.

Coming soon: Throughout 2024 we will C# IEnumerable Nasıl Kullanılır be phasing out GitHub Issues birli the feedback mechanism for content and replacing it with a new feedback system. For more C# IEnumerable Kullanımı information see: .

Else use an IEnumerable. The default should be to use the on-demand evaluation in the second example, bey that generally uses less memory, unless there is C# IEnumerable Temel Özellikleri a specific reason to store the results in a list.

Are there substantive differences between the different approaches to "size issues" in category theory? more hot questions lang-cs

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.

Yukarıdaki hatada Calisan klasının bir GetEnumerator sineermediğini belirtiyor. Kısaca buradan da şu çıfamilyamı yapabiliriz;

C# dilinde, IEnumerator özellikle bayağıdaki kabil koleksiyonlar üzerinde muta okuma ve teamüllemlerinde yeğleme edilir:

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