#[derive(Debug)]
struct Verdict {
    path: String,
    keep: bool
}

fn match_verdicts<'a>(dir: &Path, verdicts: &'a Vec<Verdict>) -> Option<&'a Verdict> {
    let p = dir.to_str().unwrap();
    verdicts.iter().find(|&v| v.path == p )
}

fn process_dirs(dir: &Path, verdicts: &Vec<Verdict>) -> io::Result<()> {
    for entry in fs::read_dir(dir)? {
        let entry = entry?;
        let path = entry.path();
        if path.is_dir() {
            match match_verdicts(&path, &verdicts).map(|x| x.keep ) {
                Some(false) => (),
                Some(true) => process_dirs(&path, &verdicts)?,
                None => println!("{} not part of verdicts; skipping", path.display())
            }
        } else {
            println!("ohai {}", path.display())
        }
    }
    Ok(())
}