///instanceof(id, ind)
/**
 * instanceof :: Instance -> Class -> Boolean
 * 
 * Returns whether `id` is of type `ind`, either directly or via the parent hierarchy.
 *
 * @param id the instance to check
 * @param ind the object type to check for
 * @returns true if id is of type ind, false otherwise
 */

var inst = argument0;
var ind = argument1;

if (!instance_exists(inst))
  return false;

for (var obj = inst.object_index; object_exists(obj); obj = object_get_parent(obj))
  if (obj == ind)
    return true;

return false;