use std::rc::Rc;

pub struct FqnContext {
    parts: Vec<Rc<str>>,
}

impl FqnContext {
    pub fn new() -> Self {
        Self { parts: vec![] }
    }

    pub fn push(&mut self, part: Rc<str>) {
        self.parts.push(part);
    }

    pub fn pop(&mut self) {
        self.parts.pop();
    }

    pub fn resolve(&self, name: &str) -> Vec<Rc<str>> {
        let mut result = self.parts.clone();
        result.push(name.into());
        result
    }
}