From: "WJ" <w_a_x_man@yahoo.com>
To: help-gnu-emacs@gnu.org
Subject: Re: basic help evaluating function in an alist
Date: 2 Dec 2012 01:06:07 GMT [thread overview]
Message-ID: <k9e9hv01clg@enews2.newsguy.com> (raw)
In-Reply-To: k9e2ss01cqt@enews1.newsguy.com
WJ wrote:
> Matt Price wrote:
>
> > Hi,
> >
> > i'm trying to figure out what's wrong with this simple code:
> >
> > (add-to-list 'my-winlist
> > '(guide . (selected-window) )
> > )
> > (windmove-right)
> > (select-window(cdr(assoc 'guide my-winlist)) )
> >
> > So, what I would hope happens here is that I add an element (guide .
> > (selected-window)) to an alist, but that the second element would be
> > the actual window object in question, not the text string
> > "(selected-window)". Lisp puzzles me pretty thoroughly so I know I'm
> > missing a very basic feature, but I can't figure it out by flipping
> > through the info pages... Thanks everyone!
> > Matt
>
> : (setq mylist '((b . 2)))
> ((b . 2))
> : (add-to-list 'mylist (cons 'c (sqrt 3)))
> ((c . 1.7320508075688772) (b . 2))
Another way:
: (require 'cl)
cl
: (setq mylist '((b . 2)))
((b . 2))
: (setq mylist (acons 'c (sqrt 3) mylist))
((c . 1.7320508075688772) (b . 2))
next prev parent reply other threads:[~2012-12-02 1:06 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <mailman.14266.1354402640.855.help-gnu-emacs@gnu.org>
2012-12-01 23:12 ` basic help evaluating function in an alist WJ
2012-12-02 1:06 ` WJ [this message]
2012-12-01 22:57 Matt Price
2012-12-01 23:12 ` Drew Adams
2012-12-02 2:40 ` Matt Price
2012-12-02 3:44 ` Drew Adams
2012-12-04 14:41 ` Matt Price
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