Re: associative list won't append variable contents

[Dr. Shred]

It worked.  Thanks!  I couldn't find this info in the emacs
manual.  Is there some good documentation available for
emacs lisp?


David Hansen wrote:
> On Tue, 31 Jan 2006 05:18:25 GMT Shred wrote:
>
>
> > (setq car-0 foo-0)
> > (setq cdr-0 foo-1)
> > (setq file-list (append '((car-0 . cdr-0)) file-list))
> >
> > I want the contents of car-0 and cdr-0 to be the actual
> > car and cdr.
> >
> > Lisp creates
> >
> > ((car-0 . cdr-0))
> >
> > not
> >
> > ((foo-0 . foo-1))
> >
> > Shouldn't this work?
>
>
> The `quote' inhibits all evaluation.  Either use the
> `list'and `cons' function
>
> (append (list (cons car-0 cdr-0)) file-list)
>
> or the IMHO easier to read `backquote' (C-h f backquote RET
> for more information):
>
> (append `((,car-0 . ,cdr-0)) file-list)
>
> David