Greetings Racketeers,
In case you are not familiar with the SDRAW program from Touretzky's
"Common Lisp: A Gentle Intro to Symbolic Computation", it is a program
which draws cons-cell diagrams in an X-window using CLX. The program is
pretty dated, and getting it up and running on a modern machine is a
little bit of work, so why not remake it in Racket -- better yet, using
pict! This is exactly what I've been working on...
What I've got so far is here:
https://github.com/jackrosenthal/sdraw-racket
Go ahead and clone it: there's only one function you need to know:
sdraw. It takes either a datum or syntax and produces a pict. There's
also optional keyword arguments to control some of the output
parameters. You can even do things like this:
(sdraw (list (face 'happy) 2 (list* 3 4 (face 'happy
(and those faces will be rendered in the picture!)
I'm relatively new with working in Racket, and I'm interested in:
1. Hearing any thoughts from others on how I can improve my code: either
to make the code more readable, or the interface easier to
understand.
2. I am still working on documentation etc., and am wondering if people
think I should submit this as a pull request to the pict library, or
as a separate library. I think it could be particularly useful in
pict, and it is only one function anyway.
Thank you,
Jack
--
Jack M. Rosenthal
http://jack.rosenth.al
We guarantee that each number is random individually, but we
don't guarantee that more than one of them is random.
-- early PMMLCG vendor
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