Ditto Elijah, very nice indeed. FYI I have not seen this done so neatly in J before now, and there is a striking resemblance to that used in Kx (kdb+) via the “vector conditional construct”, described here:
https://code.kx.com/q/ref/vector-conditional/ > On 30 May 2022, at 1:20 pm, Brian Schott <schott.br...@gmail.com> wrote: > > Very nice. Thank you. > > On Sun, May 29, 2022 at 6:08 PM Elijah Stone <elro...@elronnd.net> wrote: > >> I would use a fork, and 'bind' the left argument to the result of f. >> There is a difficulty, because you can't compose adverbs with verbs. >> Perhaps something like this: >> >> c=. (*@] {{x}y}} ,:) f >> c i.10 >> 0 1 2 3 1 2 6 1 2 9 >> >> You can get rid of the explicit definition using boxes, if you really care >> to, but I would not. >> >> -E >> >> > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
