From: "R. Mattes" <rm@seid-online.de>
Cc: guile-user@gnu.org
Subject: Re: problem with drawing triangle:(Unbound-variable)
Date: Sat, 07 Jan 2006 20:38:57 +0100 [thread overview]
Message-ID: <1136662738.23168.7.camel@hobbes.mh-freiburg.de> (raw)
In-Reply-To: <2bc5f8210601071117m1a4cdef5gf8ad1f2237edaf24@mail.gmail.com>
On Sat, 2006-01-07 at 14:17 -0500, Julian Graham wrote:
> It looks like you're trying to do some kind of graphics programming
> with Guile but don't have the right libraries loaded
> ("filled-triangle" is not, to the best of my knowledge, part of R5RS).
> Perhaps you're missing a use-modules expression?
>
> It would be helpful to know more about what you're trying to do here.
Oi veh, you'r right ;-)
"filled-triangle" is most likely the function exported by DrScheme's
fun-graph techpack. Somehow the OP's instructor failed to mention
that the exercises are DrScheme specific.
HTH Ralf Mattes
>
> On 1/7/06, Huazhong Wang <hwang@eng.fsu.edu> wrote:
> > Hi,
> >
> > I am learning guile and scheme. I want to draw a triangle, but the
> > machine always responsed me a warning. see below
> >
> > guile>(define test-bb (filled-triangle 0 1 0 -1 1 -1))
> > standard input:10:4: In expession (filled-triangle 0 1 ...):
> > standard input:10:4: Unbound variable: filled-triangle
> > ABORT: (Unbound-variable)
> > guile>
> >
> > my system is debian.
> >
> > --
> > Huazhong Wang
> >
> > Graduate
> > Department of Electrical and Computer Engineering
> > FAMU-FSU College of Engineering
> > Florida State Univerity
> >
> > 2525 Pottsdamer Street
> > Tallahassee, FL 32310
> >
> > Email: hwang@eng.fsu.edu
> > Tel: (850) 410-6408 (office)
> >
> >
> >
> >
> >
> >
> >
> > ----------------------------------------------------------------
> >
> >
> >
> >
> > _______________________________________________
> > Guile-user mailing list
> > Guile-user@gnu.org
> > http://lists.gnu.org/mailman/listinfo/guile-user
> >
>
>
> _______________________________________________
> Guile-user mailing list
> Guile-user@gnu.org
> http://lists.gnu.org/mailman/listinfo/guile-user
_______________________________________________
Guile-user mailing list
Guile-user@gnu.org
http://lists.gnu.org/mailman/listinfo/guile-user
prev parent reply other threads:[~2006-01-07 19:38 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-01-07 19:07 problem with drawing triangle:(Unbound-variable) Huazhong Wang
2006-01-07 19:17 ` Julian Graham
2006-01-07 19:38 ` R. Mattes [this message]
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=1136662738.23168.7.camel@hobbes.mh-freiburg.de \
--to=rm@seid-online.de \
--cc=guile-user@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).