pub struct Fqn {
    parts: Vec<String>,
}

impl Fqn {
    pub fn new(parts: &[&str]) -> Self {
        Self {
            parts: parts.iter().map(|s| s.to_string()).collect(),
        }
    }

    pub fn parts(&self) -> &[String] {
        self.parts.as_slice()
    }
}