For the arguments here in question there are no differences between the two, except one may be more efficient than the other. (And I would need to do a benchmark to settle this last question.)
BTW, with the nvv fork introduced since the original writing, those phrases can be shortened: m11 =: 0 ~:/ .= 4 100 400 |/ ] m11a=: 0 ~:/@:= 4 100 400 |/ ] ----- Original Message ----- From: June Kim <[EMAIL PROTECTED]> Date: Saturday, December 22, 2007 21:00 Subject: [Jprogramming] Leap Year (use of dot) To: Programming forum <[email protected]> > >From the Phrase book, > > m11=: 0: ~:/ .= 4 100 400"_ |/ ] > > What's the effective difference with m11a, which uses @: instead > of dot? > > m11a=.0: ~:/@:= 4 100 400"_ |/ ] ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
