It took me 15 more minutes to understand this even though you explained it very clearly.
This says something about the level of abstraction of higher functions (or my intelectual abilities )
Thank you for the answer.
Hi I'm trying to learn common lisp "by example" out of some course based on scheme. Here's my adaptation of the classic Newton algorithm to find square roots: (defun fixed-point (f start) (defvar tolerance 0.00001) (labels ((close-enough? (u v) (< (abs (- u v)) tolerance)) (iter (old new) ...