Re: Appending lists

[Stefan Monnier]

tomas@tuxteam.de [2021-06-16 09:28:19] wrote:
> Doing (foo x y) will *never* change "the variable x" -- unless
> foo is a macro/special form.

Just to show that you should never say never:

    (let* ((x 5)
           (y 6))
      (cl-flet ((foo (a b) (setq x (+ a b) y (* a b)) (- a b)))
        (list (foo x y) x y)))

returns

    (-1 11 30)


;-)


        Stefan "helpfully muddying the water"