Well, if rank belongs to Simple J, what does not? I'm well aware of stating a primitive in terms of other primitives, as Bron collected in http://www.jsoftware.com/jwiki/PrimitivePrimitives.
R.E. Boss > -----Oorspronkelijk bericht----- > Van: programming-boun...@jsoftware.com [mailto:programming- > boun...@jsoftware.com] Namens Aai > Verzonden: woensdag 30 november 2011 9:02 > Aan: Programming forum > Onderwerp: Re: [Jprogramming] FW: A simple function > > > > IMO the role of @ is essential and by removing it you amputate J. > > How would you form trains equivalent to > > > > (i.2 1)<@|: i.2 3 > > +---+-----+ > > |0 3|0 1 2| > > |1 4|3 4 5| > > |2 5| | > > +---+-----+ > By using rank? > > <@|: b. 0 > _ 1 _ > > (i.2 1) ([: < |:)"1 _ i.2 3 > ┌───┬─────┐ > │0 3│0 1 2│ > │1 4│3 4 5│ > │2 5│ │ > └───┴─────┘ > > -- > Met vriendelijke groet, > @@i=Arie Groeneveld > > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
