John wrote: > (0 1 2=/f data) <@# data I wrote: > Does (</.~ f) data do what you want?
John wrote: > is not quite what I wanted. I can get around the order by sorting. I > considered putting in "guide" values and then deleting them. This is the way I usually do it (e.g. (</.~&.(0 1 2&,) f) ) , because that's more dependable where you can get away with it, i.e. when can specify the (finite) universe of categories. On the other hand, if the universe of categories is defined as the output of f (not its theoretical range, but its concrete output) then I think /: is an elegant solution (thank you for showing it to me). -Dan ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
