Re: elisp question: how to walk through a variable like special-display-buffer-names

[Klaus Berndl <klaus.berndl@sdm.de>]

On Tue, 13 Jan 2004, Joakim Hove wrote:

>  
>  leo <leo@bella.local> writes:
>  
> >i want to walk through the list in special-display-buffer-names (and
> >special-display-regexps), in order to find out if the left parameter is
> >set in the contained alist.
>  
>  Well,
>  
>  I personally like (dolist) a lot:
>  
>  (require 'cl)

With current GNU Emacs 21 you do not need require 'cl because `dolist' and
`dotimes' are now builtin functions of Emacs.
Another way is using `mapc' which walks through a list too.

Do not know which one is preferable - maybe some Lisp-Gurus can answer this...

Klaus

>  (dolist (el list)
>     ;; do something with el
>     (let ((buffer (car el))
>           (alist  (cdr el)))     
>      ;;
>      ;; But then ...
>      ;;
>      )) 
>  
>  I dont understand what you mean with 'contained alist' - but you might
>  need the assoc function.
>  
>  
>  HTH - Joakim

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