use icu_calendar::Calendar;
fn main() {
    let mut fields = icu_calendar::types::DateFields::default();
    fields.era = Some("ah");
    fields.era_year = Some(1600);
    fields.day = Some(12.try_into().unwrap());
    fields.ordinal_month = Some(30.try_into().unwrap());
    let mut options = icu_calendar::options::DateFromFieldsOptions::default();
    options.missing_fields_strategy = Some(icu_calendar::options::MissingFieldsStrategy::Ecma);
    let uaq = icu_calendar::cal::Hijri::new_umm_al_qura();
    let end = uaq.from_fields(fields, options).unwrap();
}