From: jadamson@partners.org (Joel J. Adamson)
To: help-gnu-emacs@gnu.org
Subject: Re: how to use "if" in lisp
Date: Thu, 15 Nov 2007 13:30:48 -0500 [thread overview]
Message-ID: <87y7czgy3r.fsf@W0053328.mgh.harvard.edu> (raw)
In-Reply-To: 878x4zfkwv.fsf@supermath.math.umn
Teng Wang <twang.umn@gmail.com> writes:
> Hi there,
>
> I just began to learn lisp a couple of weeks ago. It is easy to use,
> but sometimes it is really hard to know what variables are in
> lisp. And today I want to write a code doing the function as below:
>
> (if (_the major mode is something_)
> (some function)
> (another funcion))
>
> But I don't know how to write down the condition.
Since major-mode is local to a buffer, your function should be local to
the buffer.
(symbol-value 'major-mode)
gets the major mode, but there may be a simpler way (i.e. a function
specifically for that). Read up on symbols and plists.
Joel
--
Joel J. Adamson
Biostatistician
Pediatric Psychopharmacology Research Unit
Massachusetts General Hospital
Boston, MA 02114
(617) 643-1432
(303) 880-3109
next prev parent reply other threads:[~2007-11-15 18:30 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-11-15 18:01 how to use "if" in lisp Teng Wang
2007-11-15 18:08 ` Mirko
2007-11-15 18:30 ` Joel J. Adamson [this message]
2007-11-15 18:37 ` Joel J. Adamson
2007-11-15 19:05 ` Teng Wang
2007-11-15 19:16 ` Teng Wang
2007-11-16 1:04 ` Xah Lee
2007-11-16 14:35 ` Joel J. Adamson
2007-11-17 1:19 ` Tim X
2007-11-17 4:56 ` Teng Wang
2007-11-15 19:32 ` Sebastian Tennant
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
List information: https://www.gnu.org/software/emacs/
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=87y7czgy3r.fsf@W0053328.mgh.harvard.edu \
--to=jadamson@partners.org \
--cc=help-gnu-emacs@gnu.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).