Function getopts::getopts
pub fn getopts(args: &[~str], optgrps: &[OptGroup]) -> Result
Parse command line arguments according to the provided options.
On success returns Ok(Opt)
. Use methods such as opt_present
opt_str
, etc. to interrogate results. Returns Err(Fail_)
on failure.
Use to_err_msg
to get an error message.