Thanks. So there's no way to achieve it with a tacit verb?
On 22 Jul 2012, at 18:48, Ric Sherlock wrote: > When you assign a Tacit verb to a name the value of the nouns in the > definition are "compiled" in to the tacit definition. If you use an > explicit definition the noun will be reevaluate d each time. > On Jul 22, 2012 1:32 PM, "David Vaughan" <[email protected]> wrote: > >> I have a noun called paths, whose value changes at various points, and a >> verb g that uses paths. The problem is, it only works for the initial value >> of paths. >> >> paths =: \:~&.> (;~ 0$0) , <\ 2+i.7 >> paths >> ┌┬┬─┬───┬─────┬───────┬─────────┬───────────┬─────────────┐ >> │││2│3 2│4 3 2│5 4 3 2│6 5 4 3 2│7 6 5 4 3 2│8 7 6 5 4 3 2│ >> └┴┴─┴───┴─────┴───────┴─────────┴───────────┴─────────────┘ >> g =. >@{&paths >> g >>> @{&((0$0);(0$0);(,2);3 2;4 3 2;5 4 3 2;6 5 4 3 2;7 6 5 4 3 2;8 7 6 5 4 3 >> 2) >> >> So now when paths changes, g becomes useless. >> >> My question is how can I get g to always check the value of paths when it >> is executed? And more generally, how can the name of a noun rather than the >> value of the noun be used in a verb? >> >> Many thanks. >> ---------------------------------------------------------------------- >> For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
