> 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
