podcast.episodes()
            [..podcast.episodes().len() - sub.num_episodes]

        podcast.episodes()[..podcast.episodes().len() - sub.num_episodes]

    let latest = config["package"]["version"].as_str().expect(&format!("Cargo.toml didn't have a version {:?}", config));

    let latest = config["package"]["version"]
        .as_str()
        .expect(&format!("Cargo.toml didn't have a version {:?}", config));