Re: problem with drawing triangle:(Unbound-variable)

[Julian Graham]

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.


On 1/7/06, Huazhong Wang <address@hidden> 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: address@hidden
> Tel: (850) 410-6408 (office)
>
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