think of the box as pointing to the items:
Now chains of "conses" exhibit a flat structure.
(cons 6 (cons 4 5))
can be visualized as:
Instead of regarding the items of a pair as
inside the box:
think of the box as pointing to the items:
Now chains of "conses" exhibit a flat structure.
(cons 6 (cons 4 5))
can be visualized as: