att*!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!C!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!r bob::z
defred(x) { this.z - x }

assert]e!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!find                                             _last_not_ofb::z
defred(x) { this.z - x }
assert]equal(8, x.fred(3))
