Thanks for the tip on renaming. Just what I needed. /Jens Axel
2013/12/3 Eli Barzilay <e...@barzilay.org>: > 6 hours ago, Jens Axel Søgaard wrote: >> In DrRacket 6.0.0.1 open >> >> pkgs/draw-pkgs/draw-lib/racket/draw/private/record-dc.rkt >> >> and then click Run. >> >> I see: >> >> define-values: assignment disallowed; >> cannot re-define a constant >> constant: get-recorded-command1.1 >> >> Why? > > That's not new -- usually when you run the code you get a clean > environment with the old instantiation gone, but some core files are > shared across runs, so it's like trying to redefine things that are > already defined. Many files in racket/* will do the same. To debug > this kind of stuff it can be helpful to work on a copy of the file > that you want to edit, and rename it back over the original (and > recompile) when it's working. > > -- > ((lambda (x) (x x)) (lambda (x) (x x))) Eli Barzilay: > http://barzilay.org/ Maze is Life! -- -- Jens Axel Søgaard _________________________ Racket Developers list: http://lists.racket-lang.org/dev
