From: Andy Wingo <wingo@pobox.com>
To: Cedric Cellier <rixed@happyleptic.org>
Cc: guile-user@gnu.org
Subject: Re: Can't define in (if...) after (use-syntax (ice-9 syncase)) ?
Date: Wed, 01 Sep 2010 08:23:45 -0700 [thread overview]
Message-ID: <m3occhv666.fsf@unquote.localdomain> (raw)
In-Reply-To: <20100901071233.GA27835@securactive.net> (Cedric Cellier's message of "Wed, 1 Sep 2010 09:12:33 +0200")
Hi,
It's ugly, but a quick solution:
On Wed 01 Sep 2010 00:12, Cedric Cellier <rixed@happyleptic.org> writes:
> I'm doing this :
>
> (if (not defined? 'foo) (define foo bar))
>
> without realizing it's not legal scheme.
> What would be the idiomatic way to write this ?
(define foo
(if (defined? 'foo)
foo
bar))
Andy
--
http://wingolog.org/
next prev parent reply other threads:[~2010-09-01 15:23 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-08-27 12:49 Can't define in (if...) after (use-syntax (ice-9 syncase)) ? Cedric Cellier
2010-08-27 14:04 ` Andreas Rottmann
2010-09-01 7:12 ` Cedric Cellier
2010-09-01 15:23 ` Andy Wingo [this message]
2010-09-02 4:39 ` Keith Wright
2010-09-02 18:40 ` Andy Wingo
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/guile/
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=m3occhv666.fsf@unquote.localdomain \
--to=wingo@pobox.com \
--cc=guile-user@gnu.org \
--cc=rixed@happyleptic.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).