fn main() -> Result<(), Box<dyn Error>> {

fn parse_config() -> Result<Config, Box<dyn Error>> {

    let config: Config = toml::from_str(&config_str)?;

    Ok(toml::from_str(&config_str)?)
}
fn main() -> Result<(), Box<dyn Error>> {

    for processor in config.processors {

    for processor in parse_config()?.processors {

    let mut buffer = [0; 1024];

    let mut buffer = [0; 1024];