On Wed, Jul 11, 2012 at 1:28 PM, Raul Miller <rauldmil...@gmail.com> wrote: > I should have been using (|~ #)"1 instead of bare (|~ #).
This was wrong. Here's a working implementation of validIn: validIn =: (<@(|~ #)"1 _ { ]) *. (|~ #)"1 _ -:"1 [ Example use: (#~ validIn&(?5 5$2)) <:(#: [: i. */) 2+5 5 -- Raul ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm