an `update' function for the mp3 database.
I need a function for doing something like this with a list:
* (xxxx (list :artist "something" :song "sss"))
(:artist :song)
Thanks in advance, and sorry for my bad english.
--
Pablo.
CL-USER> (loop :for (x y) :on (list :artist "something" :song "sss") :by #'cddr
:collect x)
(:ARTIST :SONG)
Gauche Scheme and Racket using unfold from SRFI-1.
(use srfi-1) ;; unfold for Gauche
or
(require srfi/1) ;; unfold for Racket
(unfold null? car cddr '(:artist "something" :song "sss"))
===>
(:artist :song)
--- SoupGate-Win32 v1.05
* Origin: fsxNet Usenet Gateway (21:1/5)