The function Nest must store the temporary values in the memory somewhere (those values that would form the entries of the list which is returned by the ...
What does the function Internal`InheritedBlock do? How is it different from the regular Block?
In version 7 there exist these Internal` context functions: ?Internal`*Periodical* ...
What can internally be happening here? Is the evaluator just messing with us and going non-standard because it's a Bag? Or am I just not seeing how something like ...
Since Internal`Bag, Internal`StuffBag and Internal`BagPart can be compiled down, it is a ...