"Raul Miller" <[EMAIL PROTECTED]>: > Can't you get the same benefit by guaranteeing that > the indices are boolean? > > #x,:y > 2
J optimizes boolean}x,;y in place. However, you can't use booleans if you want to select from more than two different choices, as in the general case of c}x,y, ... ,:z -- Mark D. Niemiec <[EMAIL PROTECTED]> ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
