0&$ generates an empty line as output; 0 0& generates no discernable output.
On Tue, Dec 9, 2014 at 2:51 AM, Michal Wallace <[email protected]> wrote: > The standard verb 'echo' is defined as ( 0 0&$@(1!:2&2) ) > > The ( 0 0&$ ) obviously throws away the result so it's not echoed in the > REPL. > > But why ( 0 0 ) instead of just ( 0 ) ? > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
