fn country_iso_code()

in src/endpoints/classify.rs [16:29]

• 13 lines of code
• 1 McCabe index (conditional complexity)

fn country_iso_code<S: Serializer>(
    country_info: &Option<geoip2::Country>,
    serializer: S,
) -> Result<S::Ok, S::Error> {
    let iso_code: Option<&str> = country_info
        .clone()
        .and_then(|country_info| country_info.country)
        .and_then(|country| country.iso_code);

    match iso_code {
        Some(code) => serializer.serialize_str(code),
        None => serializer.serialize_none(),
    }
}