Gabor Greif <gabor68@yahoo.com> writes: > Some adventurous soul has written a DBC package for Common Lisp some > time ago, maybe you could take ideas from that. I could dig up the > comp.lang.lisp article if you want, or just visit deja.com. http://www.muc.de/~hoelzl/tools/dbc/dbc-intro.html I think it uses method combination though which could make a port a little harder. Chris. -- http://www.double.co.nz/dylan