Re: [racket] Require macros

2011-01-12 Thread Eduardo Bellani
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Hey Ryan, many thanks for the response, it helped a great deal in crafting what I needed. I still have to grok completely why things work the way they do in this case, but alas, I have a working prototype. Here it is in case someone has some use for i

[racket] Bug matching shortest possible matches in regexp-replace*

2011-01-12 Thread Noel Welsh
A pattern like (.)? causes the following error: racket@> (regexp-replace* #px"(.)?" "a" (lambda args "foo")) car: expects argument of type ; given #f === context === /usr/local/plt-head/collects/racket/private/string.rkt:174:7: loop /usr/local/plt-head/collects/racket/private/string.rkt:314:11:

Re: [racket] Run rocket lunching program in HtDP2 from cammand line

2011-01-12 Thread tungsh
Thanks! It works on Window 7 with: gracket rocket.rkt Sho-Huan -Original message- From:Matthias Felleisen To:tun...@yuntech.edu.tw Cc:users Date:Tue, 11 Jan 2011 08:43:26 -0500 Subject:Re: [racket] Run rocket lunching program in HtDP2 from cammand line On my Mac, $ racket rock