thing.rs

#[derive(Debug, Serialize, Deserialize)]
struct Thing {
    value: String,
}

pub fn do_the_thing() {
    let mut cfg = cfg::Config::default();
    cfg.set("value", "didn't do the thing").unwrap();
    cfg.merge(cfg::File::with_name("./thing.yml")).unwrap();
    // ---
    // value: did the thing
    let thing: Thing = cfg.try_into().unwrap();
    println!("{}", thing.value);
}