sp=: smoutput @ ": @ (7!:0) sp '' 13163136 x=: i.1e7 sp '' 80272000 sp '' [ (3 : '0 [ sp $0 [ y') x [ sp '' 80272640 80276352 80275264
No, doesn't look like it makes a copy. On Sat, Apr 7, 2012 at 3:59 PM, Graham Parkhouse < graham.parkho...@ntlworld.com> wrote: > Does a verb in J automatically make a local copy of its arguments? > > I have a very large array which I would like to pass as an argument, but > maybe I shouldn't if that would cause duplication of the array. The array > is > not going to be amended by the function, so in principle a copy is not > necessary. > > Thanks in anticipation. > > Graham > > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
