From: "Tony" <asideris@aqinc.com>
Subject: Re: How to write specify default values for function arguments?
Date: Tue, 1 Oct 2002 16:06:36 -0400 [thread overview]
Message-ID: <ancv1k$cc8jb$1@ID-60342.news.dfncis.de> (raw)
In-Reply-To: b00bb831.0210011045.5f29a1b4@posting.google.com
"gnuist006" <gnuist006@hotmail.com> wrote in message
news:b00bb831.0210011045.5f29a1b4@posting.google.com...
> I am looking for multiple ways for
> specifying default values for function arguments
> as you can do in C++.
>
> thanks
use &optional, any parameters left out will be nil.
(defun foo (required-arg &optional opt1 opt2)
(unless opt1 (setq opt1 default-val-1))
(unless opt2 (setq opt2 default-val-2))
...)
-Tony
next prev parent reply other threads:[~2002-10-01 20:06 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-10-01 18:45 How to write specify default values for function arguments? gnuist006
2002-10-01 20:06 ` Tony [this message]
2002-10-01 23:37 ` Kevin Rodgers
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to='ancv1k$cc8jb$1@ID-60342.news.dfncis.de' \
--to=asideris@aqinc.com \
/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.
Code repositories for project(s) associated with this external index
https://git.savannah.gnu.org/cgit/emacs.git
https://git.savannah.gnu.org/cgit/emacs/org-mode.git
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.