@auto_increment
enum LogLevel {
    Error = 0,
    Warn,
    Info,
    Debug,
    Trace,
}

@auto_increment
enum LogResult {
    Err = 0,
    Ok,
}

struct Log {
    log_level: LogLevel,
}

@visibility(public)
protocol Log {
    fn log(Log) -> LogResult;
    fn flush() -> LogResult;
}