dummy method - to be overwritten by child class
(self, n=None)
| 2073 | def _tracer(self, a=None, b=None): |
| 2074 | """dummy method - to be overwritten by child class""" |
| 2075 | def _delay(self, n=None): |
| 2076 | """dummy method - to be overwritten by child class""" |
| 2077 | |
| 2078 | fd = forward |
| 2079 | bk = back |