Sure, it works for this _one_ case, through the f. I'm sure there are other cases that only the implementor knows about and will reveal in his own time, like #^:_1 seemed to have been.
The general foo!.c will have to go into the nice-to-have pile. hiho. ------------------------------------------------------------------------ |\/| Randy A MacDonald | APL: If you can say it, it's done.. (ram) |/\| [EMAIL PROTECTED] | |\ | | The only real problem with APL is that BSc(Math) UNBF'83 | it is "still ahead of its time." Sapere Aude | - Morten Kromberg Natural Born APL'er | Demo website: http://156.34.89.225/ -----------------------------------------------------(INTP)----{ gnat }- ----- Original Message ----- From: "Miller, Raul D" <[EMAIL PROTECTED]> To: "Programming forum" <[email protected]> Sent: Wednesday, January 10, 2007 10:45 AM Subject: RE: [Jprogramming] Re: Programming Digest, Vol 16, Issue 23 Randy A MacDonald wrote: > If only we could change the fill element with a hook into !.(Custom)... > a expand!._1 b > 1 2 _1 3 _1 4 Using the definition of expand which comes with J: a=: 1 1 0 1 0 1 b=: 1 2 3 4 a expand f.!._1 b 1 2 _1 3 _1 4 -- Raul ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
