"Henry Rich" <[EMAIL PROTECTED]> wrote: > $0 is the shape of a scalar: an empty numeric list. > So it is the same as 0$0 .
> > 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. Actually, they are equal, but not identical. 0$0 is boolean, but $0 is integer: t =: 3!:0 t 0 1 t 0$0 1 t $0 4 t >a: 1 -- Mark D. Niemiec <[EMAIL PROTECTED]> ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
