Thanks, that's all good stuff but what I found was on the lines of if =: 3 : …. an actual verb definition.
Regards, Rob. > On 13 Apr 2022, at 14:06, Jan-Pieter Jacobs <janpieter.jac...@gmail.com> > wrote: > > I think your looking for power (^:), a conjunction though. > > +: ^: (2&|)"0 i. 8 > 0 2 2 6 4 10 6 14 > > which one could read as: double (+:) if (^:) odd (2&|) for each atom ("0) > in the input (i. 8). > > Note that ^: is more general than "if": in u ^: v y, u is applied (v y) > times. in the case of odd (2&|) it happens to be either 0 or 1 time. > > See https://code.jsoftware.com/wiki/Vocabulary/hatco for more info. > > Hope this helps! > > Jan-Pieter > >> On Wed, 13 Apr 2022, 14:52 'Rob B' via Programming, < >> programm...@jsoftware.com> wrote: >> >> Hi, >> >> While looking through the help info I found a reference to an 'if utility' >> which allows 'if' to be defined as a verb and so be used outside a verb. >> >> I cannot find it again, could someone point me to it please? >> >> Thanks, Rob. >> ---------------------------------------------------------------------- >> For information about J forums see http://www.jsoftware.com/forums.htm >> > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm