/* This file:
 *   http://angg.twu.net/MAXIMA/traverse.mac.html
 *   http://angg.twu.net/MAXIMA/traverse.mac
 *           (find-angg "MAXIMA/traverse.mac")
 * Author: Eduardo Ochs <eduardoochs@gmail.com>
 *
 * (defun m () (interactive) (find-angg "MAXIMA/traverse.mac"))
 * See: (find-es "maxima" "op-and-args")
 *      (find-es "maxima" "part-and-inpart")
*/

traverse1 : lambda([o, action],
  if     action = 'op   then op(o)
  elseif action = 0     then op(o)
  elseif action = 'args then args(o)
  else   args(o)[action]);

traverse(a, [b]) := xreduce(traverse1, b, a);

/*
* (eepitch-maxima)
* (eepitch-kill)
* (eepitch-maxima)
** (find-angg "MAXIMA/traverse.mac")
load       ("~/MAXIMA/traverse.mac");
ex1 : a+b^c;
traverse(ex1);
traverse(ex1, 0);
traverse(ex1, 1);
traverse(ex1, 2);
traverse(ex1, 1, 0);
traverse(ex1, 1, 'op);
traverse(ex1, 1, 'args);
traverse(ex1, 1, 1);
traverse(ex1, 1, 2);

*/

/*
 * Local Variables:
 * mode:  c
 * modes: (c-mode maxima-mode)
 * End:
*/