$: refers to the largest containing verb in the current sentence. Explicit definitions contain sentences.
-- Raul On Tuesday, September 4, 2012, Ian Clark <earthspo...@gmail.com> wrote: > Let's define a verb: max which can be used either dyadically: > > 5 max 7 > 7 > > or monadically: > > max 5 7 > 7 > > Can somebody explain to me please > (for the purpose of completing > http://www.jsoftware.com/jwiki/Vocabulary/dollarco ) > why this works: > > max=: $:/ : >. > > but this doesn't: > > max=: 3 : 0 > $:/y > : > x>.y > ) > > The explicit version (which to me looks equivalent to the tacit one) > does not work with a noun longer than 1 atom: > > max 7 > 7 > max 5 7 > |stack error: max > | $:/y > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
