fn main()

in src/main.rs [9:33]

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

fn main() {
    // custom panic hook to terminate whole process after unwinding
    std::panic::set_hook(Box::new(|s| {
        eprintln!("{}", s);
        eprintln!("{:?}", Backtrace::new());
        std::process::exit(101);
    }));

    // parse command line options load configuration
    let matches = App::new(env!("CARGO_BIN_NAME"))
        .version(env!("CARGO_PKG_VERSION"))
        .version_short('v')
        .long_about(
            "rpc-perf is used to generate synthetic traffic and measure the \
            performance characteristics of a server. It is primarily used to \
            evaluate the performance of cache backends and supports both \
            Memcached and Redis protocols.",
        )
        .about("Measure RPC performance using synthetic traffic")
        .arg(Arg::with_name("CONFIG").help("Configuration file").index(1))
        .get_matches();

    // launch
    Builder::new(matches.value_of("CONFIG")).spawn().wait()
}