Function gumdrop::parse_args_default_or_exit [−][src]
pub fn parse_args_default_or_exit<T: Options>() -> T
Parses arguments from the environment, using the default parsing style.
If an error is encountered, the error is printed to stderr
and the
process will exit with status code 2
.
If the user supplies a help option, option usage will be printed to
stdout
and the process will exit with status code 0
.
Otherwise, the parsed options are returned.