use mon::{Parser, tag};

use crate::{Parseable, atom::Atom, repo::profile::package::Package};

impl<'a> Parseable<'a, &'a str> for Package {
    type Parser = impl Parser<&'a str, Output = Self>;

    fn parser() -> Self::Parser {
        Atom::parser()
            .map(Package::Add)
            .or(Atom::parser().preceded_by(tag("-")).map(Package::Remove))
    }
}