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

2006-01-07 Thread R. Mattes
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 expre

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

2006-01-07 Thread 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 tryin

problem with drawing triangle:(Unbound-variable)

2006-01-07 Thread Huazhong Wang
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