- not-pair? xprocedure
(lambda (x) (not (pair? x)))
Provided as a procedure as it can be useful as the termination condition for list-processing procedures that wish to handle all finite lists, both proper and dotted.
(lambda (x) (not (pair? x)))
Provided as a procedure as it can be useful as the termination condition for list-processing procedures that wish to handle all finite lists, both proper and dotted.