C# IEnumerable Nedir Seçenekler

C# IEnumerable Nedir Seçenekler

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So if we have IEnumerable birli parameter of any method, we birey pass any collection types to the function. Ie we hayat have method to operate on abstraction derece any specific implementation.

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

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

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.

Örnekte, kullanıcıların denktaş olup olmadığını muayene ederken kullanıcı adları dikkate alınmıştır.

IEnumerator interface inden gelen “Current” propertysinin get metodunda kendi teşhismladığımız “Current” property’sini return ettik.

Oluşturduğunuz klası, derlem oluştururken veya huzurlaştırma C# IStructuralComparable Nasıl kullanılır gerektiren vesair senaryolarda kullanabilirsiniz.

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

Is it yasal to initialize an array via a functor which takes the array itself as a parameter by reference? more hot questions

It is cleaner, your users don't get a list where they shouldn't (they could cast it to a Listafter all) and you don't need to create a Listobject.

I think if your newly implemented class just behaves the sameway as a list does, there is no need to implement it. If you need some kind of custom logic, it depends on C# IStructuralComparable Kullanımı what you want to do; you hayat inherit list or you güç implement IEnumerable. It just depends what is to be achieved.

RastoRasto 17.6k4848 gold badges161161 silver badges253253 bronze badges 5 1 Unfortunately you have to make your own. The most conservative approach would be for you to cache all the items inside your new enumerable, to handle enumerators that sevimli only be enumerated once, so there is no general class for this in the C# IEnumerable Nasıl Kullanılır runtime.

If you are writing a class, and your class implements the IEnumerable interface (generic (T) or not) you're allowing any consumer of your class to iterate over its collection without C# IEnumerable Nasıl Kullanılır knowing how it's structured.