Ah, of course. Had I followed this thread more intently, I'd have known. Thank you.
So, what I was thinking of can be written like this: validate =: #~ -.@:(128!:5) validate 2 _. 4 5 2 4 5 validate 1 2 _. 4 1 2 4 1 2 _. 4 -.&validate 2 _. 4 5 1 On Thu, Mar 18, 2010 at 12:47 PM, Roger Hui <[email protected]> wrote: > You deal with _. using 128!:5 . See the dictionary page for _. . > http://www.jsoftware.com/help/dictionary/d031.htm > > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
