Graham; The dictionary has an explanation for u^:v , Does that help you at all?
My local J help has that page at: .\system\extras\help\dictionary\d202v.htm >: ... ------------------------------------------------------------------------ |\/| Randy A MacDonald | APL: If you can say it, it's done.. (ram) |/\| [EMAIL PROTECTED] | |\ | | The only real problem with APL is that BSc(Math) UNBF'83 | it is "still ahead of its time." Sapere Aude | - Morten Kromberg Natural Born APL'er | Demo website: http://156.34.64.78/ -----------------------------------------------------(INTP)----{ gnat }- ----- Original Message ----- From: "Graham Parkhouse" <[EMAIL PROTECTED]> To: <[email protected]> Sent: Monday, April 09, 2007 10:19 AM Subject: [Jprogramming] Re: Singleton Reduction > > Date: Sat, 07 Apr 2007 10:25:13 -0700 > > From: Roger Hui <[EMAIL PROTECTED]> > > Subject: Re: [Jprogramming] Singleton Reduction > > To: Programming forum <[email protected]> > > Message-ID: <[EMAIL PROTECTED]> > > Content-Type: text/plain; charset=us-ascii > > > > f=: {.^:(1=#) > > f 'abc' > > abc > > $ f 'a' > > > > $ f ,'a' > > > > f^:proprosition y is equivalent to > > if. proposition y do. f y else. y end. > > It explains this in Learning J, but I can't see it in the dictionary. > > Regards > > Graham Parkhouse > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
