fn parse_port()

in vsock_sample/rs/src/command_parser.rs [37:43]

• 7 lines of code
• 1 McCabe index (conditional complexity)

fn parse_port(args: &ArgMatches) -> Result<u32, String> {
    let port = args
        .value_of("port")
        .ok_or("Could not find port argument")?;
    port.parse()
        .map_err(|_err| "port is not a number".to_string())
}