13 : n uses a set of heuristics to do its work. Sometimes you can do better than what it does. If I were translating (,x) i. y I would have written ,@[ i. ] .
----- Original Message ----- From: Fred Bone <[EMAIL PROTECTED]> Date: Friday, July 14, 2006 3:37 am Subject: [Jprogramming] Explicit-to-tacit query > I frequently use 13 : to explore different ways to express an idea. > > Here's one I just tried, as part of something else: > 13 : '(,x) i. y' > ] i.~ [: , [ > > This does not seem any simpler to me. What is the benefit of > recasting > the expression like this? Does it optimise better at run-time? Is > "13 :" > trying to minimise the parens at all costs? If so, why? ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
