Thank you, Randy. I was stuck on the u^:n page and hadn't gone back to vocabulary.
Regards Graham -----Original Message----- Date: Mon, 9 Apr 2007 11:13:40 -0300 From: "ramacd" <[EMAIL PROTECTED]> Subject: Re: [Jprogramming] Re: Singleton Reduction To: "Programming forum" <[email protected]> Message-ID: <[EMAIL PROTECTED]> Content-Type: text/plain; charset="iso-8859-1" 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
