Parse the arguments Arguments (as list of atoms) according to Specs.
Any runtime arguments (typically terminated by '--') are assumed to
be removed already.
Arguments:
Options
-
An options dictionary containing the parsed flags.
PositionalArguments
-
The remaining non-flag or âpositionalâ arguments. Positional
arguments are allows to appear interspersed with flag
arguments (although it is good practice to put positional
arguments last).
Errors
- Dashed args not in Specs are not permitted and will raise an
error.