Parses the process's arguments. --help and --version print and exit 0; a bad command
line prints the error with a usage hint to stderr and exits 2.
- $T: the struct whose fields are the options.
- $help: the help strings for
T.
parse :: ($T: Type, $help: Help(T)) -> (T, Is_Set(T))Parses the process's arguments. --help and --version print and exit 0; a bad command
line prints the error with a usage hint to stderr and exits 2.
Parameters
- $T: Type
- the struct whose fields are the options.
- $help: Help(T)
- the help strings for
T.
Returns
- T
- Is_Set(T)