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When I do this cast:
private IEnumerable objects;
ArrayList castedObjects = (ArrayList)objects;
Is this a “direct” cast, or the enumerable is converted into an ArrayList via an internal method (that presumably loops through all the elements)?
This is either a “direct” cast (if the underlying object is actually an instance of
ArrayList), or you’ll get an exception. No implicit creating of anArrayListobject is done “behind the scene”.