On Fri, Jul 31, 2009 at 7:33 AM, Kip Murray<[email protected]> wrote: > Yes, the argument to verb set must be a box or list of boxes, and (i.0 0) -: > empty '' is neither.
Ok, sorry, I expressed my example incorrectly. > For what it's worth, every array except i.0 0 (used in the "set marker" box) > is > allowed to be an element of a set. Yes, that was the issue which I was questioning: box=: <i.0 0 box iselement set box 0 I do not see the value of this restriction. -- Raul ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
