$0 is the shape of a scalar: an empty numeric list. So it is the same as 0$0 .
Henry Rich > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of bill lam > Sent: Tuesday, March 13, 2007 5:00 AM > To: General forum > Subject: [Jgeneral] definition of a: > > In DoJ: The ace (a unit, from Latin as) is denoted by a: . It > is the boxed empty > list <$0 . > > Is it a typo? Look like should be <0$0 instead. > > -- > regards, > bill > ---------------------------------------------------------------------- > For information about J forums see > http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
