It's not a good advertisement for J when something so simple is so clearly wrong. I would certainly rank fixing an obvious bug over, say, a performance improvement in a little-used feature like look-up of symbolic names.
On Sat, Mar 17, 2012 at 1:26 PM, Tracy Harms <kalei...@gmail.com> wrote: > To clarify, I do think 13&: could be improved. I think your examples can > help with that. I don't find flaws in this modifier very interesting among > possible improvement efforts. > On Mar 17, 2012 3:45 AM, "Linda Alvord" <lindaalv...@verizon.net> wrote: > >> David Ward Lambert pointed out the known pitfall that occurs using : 13 : >> >> >> >> Would these examples help in correcting the problem? >> >> >> >> why=: 13 :'y+y' NB. wrong >> >> why >> >> + >> >> why 3 >> >> 3 >> >> why=: 13 :'y-y' NB. right >> >> why >> >> -~ >> >> why 3 >> >> 0 >> >> why=: 13 :'y*y' NB. wrong >> >> why >> >> * >> >> why 3 >> >> 1 >> >> why=: 13 :'y%y' NB. right >> >> why >> >> %~ >> >> why 3 >> >> 1 >> >> why=: 13 :'y+y+y' NB. wrong >> >> why >> >> ] + + >> >> why 3 >> >> 6 >> >> why=: 13 :'y-y-y' NB. right >> >> why >> >> ] - -~ >> >> why 3 >> >> 3 >> >> why=: 13 :'y*y*y' NB. wrong >> >> why >> >> ] * * >> >> why 3 >> >> 3 >> >> why=: 13 :'y%y%y' NB. right >> >> why >> >> ] % %~ >> >> why 3 >> >> 3 >> >> >> >> Linda >> >> >> >> >> >> ---------------------------------------------------------------------- >> For information about J forums see http://www.jsoftware.com/forums.htm >> > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm -- Devon McCormick, CFA ^me^ at acm. org is my preferred e-mail ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
