On Fri, Jul 31, 2009 at 12:07 AM, Raul Miller<[email protected]> wrote: > [: is visible at parse time, and ([: u v) can be used to create a different > kind of derived verb than (w u v) where w, u and v are verbs and w is > not [:
That can be used as an optimization, but it can't handle the case of the left tine being a proverb for cap, so the execution of a fork has to check for that case anyway. cap =: [: cap2 =: cap ([: - -) 5 5 (cap - -) 5 5 (cap2 - -) 5 5 Ambrus ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
