pub fn new(added: String, add_schedule: Option<String>) -> serde_yaml::Value {
    match add_schedule.clone() {
        None => new_add(added),
        Some(add_schedule) => new_add_with_schedule(added, add_schedule),
    }
}

fn new_add(added: String) -> serde_yaml::Value {
    serde_yaml::Value::String(added)
}

fn new_add_with_schedule(added: String, schedule: String) -> serde_yaml::Value {
    let mut m = serde_yaml::Mapping::new();
    m.insert("schedule".into(), schedule.into());
    m.insert("do".into(), added.into());
    serde_yaml::Value::Mapping(m)
}