A number of builtin functions can be used. The precise set can be
- found in `py
py/annotat ion/builtin.py`_ (see ``def builtin_xxx()``).
+ found in `py/annotat/builtin.py`_ (see ``def builtin_xxx()``).
Some builtin functions may be limited in what they support, though.
``int, float, str, ord, chr``... are available as simple conversion