pub(crate) fn load_from_json<T: for<'a> Deserialize<'a>, P: AsRef<Path>>(path: P) -> Result<T> {

    let path = path.as_ref().canonicalize().map_err(|e| Error::Io {

    })?;

    let bytes = std::fs::read(&path).map_err(|e| Error::Io {

    })?;

    serde_json::from_slice(&bytes).map_err(|e| Error::Serde {

    })

}

pub(crate) fn check_websites(value: &str) -> bool {

    for v in value.split_whitespace() {

        let url = match url::Url::parse(v) {

            Ok(url) => url,

            Err(_) => match url::Url::parse(&format!("https://{}", v)) {

                Ok(url) => url,

        match url.host() {

            Some(url::Host::Domain(host)) => {

                // the hostname should have a dot (.) to be useful

                if !host.contains('.') {

                    return false;

                }

            Some(url::Host::Ipv4(ip)) => {

                if ip.is_private()

                    || ip.is_link_local()

                    || ip.is_loopback()

                    || ip.is_multicast()

                    || ip.is_documentation()

                    || ip.is_unspecified()

                    return false;

    true

}

fn test_check_websites() {

    assert!(check_websites(""));

    assert!(check_websites("https://nlnet.nl"));

    assert!(check_websites("https://nlnet.nl\tros.nl"));

    assert!(check_websites("nlnet.nl"));

    assert!(!check_websites("YbxuoyIq"));

    assert!(!check_websites("127.0.0.1"));

    assert!(!check_websites("0.0.0.0"));

    assert!(!check_websites("10.0.0.1"));

    assert!(!check_websites("169.254.10.65"));

    assert!(!check_websites("224.254.10.65"));

}