| This used to be the ``bad-builtin`` core checker, but it was moved to | |
| an extension instead. It can be used for finding prohibited used builtins, | |
| such as ``map`` or ``filter``, for which other alternatives exists. | |
| If you want to control for what builtins the checker should warn about, | |
| you can use the ``bad-functions`` option:: | |
| $ pylint a.py --load-plugins=pylint.extensions.bad_builtin --bad-functions=apply,reduce | |
| ... |