To make sure that things are "[inter]replaceable?" See Roger's comment trailing my previous message; maybe June Kim can give you better and more specific reasons. I use a version of id mostly to compare verbs but it has saved me lots of time for understanding why certain production verbs produce different results even if the arguments "match."
________________________________ From: Raul Miller <[email protected]> To: Programming forum <[email protected]> Sent: Monday, June 1, 2009 3:00:13 PM Subject: Re: [Jprogramming] confused about different emptiness On Mon, Jun 1, 2009 at 2:55 PM, Jose Mario Quintana <[email protected]> wrote: > 4 id (2+2) > 1 > > but > > 4 id (8%2) > 0 id=:-:&(3!:1) 4 id 2+2 1 4 id 8%2 0 How is this useful? -- Raul ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
