Function rg::args::clap_matches

fn clap_matches<I, T>(args: I) -> Result<ArgMatches<'static>, Box<dyn Error>>where
    I: IntoIterator<Item = T>,
    T: Into<OsString> + Clone,

Returns a clap matches object if the given arguments parse successfully.

Otherwise, if an error occurred, then it is returned unless the error corresponds to a --help or --version request. In which case, the corresponding output is printed and the current process is exited successfully.