An oldie but a goodie. See the third paragraph of Perlis, APL is more French than English <http://www.jsoftware.com/papers/perlis78.htm>, 1978, talking about events in the 1960s.
On Wed, Jan 15, 2014 at 8:01 AM, Devon McCormick <[email protected]> wrote: > This (old) trick works nicely if you can fit complete expressions into > memory: > > +/\(1 _1 0){~'{}' i. '@{ foo; if (abc) { if (q) { m; } } }' > 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 3 3 3 3 3 2 2 1 1 0 > > It becomes clunkier if you have to process expressions in sequential chunks > but can be made to work. > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
