use fqdn::FQDN;
use fqdn_trie::*;


fn main() {

    let www = [
        "www.orange.com",
        "mail.orange.com",
        "orange.com",
        "a.orange.com",
        "a.mail.orange.com",
    ];

    let mut trie  = www.iter()
        .map(|s| s.parse::<FQDN>())
        .collect::<Result<FqdnTrieSet<_>,_>>()
        .unwrap();

    trie.open_dot_view().expect("can’t open dot view");

    www.iter()
        .step_by(2)
        .map(|s| s.parse::<FQDN>().unwrap())
        .for_each(|s| {trie.remove(&s);});

    trie.open_dot_view().expect("can’t open dot view");
}