externcrate iso_country as country;pubfnmain(){// use std::ascii::AsciiExt;
letmut countries =country::data::all();
countries.sort_by_key(|country|country.alpha2);for country in countries {// let num : usize = country.num.parse().unwrap();
// println!("(\"{}\", Country::{}),", country.alpha2, country.alpha2);
println!("\"{}\" => {},", country.name, country.alpha2);}}