- rconsprocedure
a simple consing reducer. When called without values, it returns its identity, '(). With one value, which will be a list, it reverses the list. When called with two values, it conses the second value to the first.
(list-transduce (tmap (lambda (x) (+ x 1)) rcons (list 0 1 2 3)) => (1 2 3 4)