use cik; fn main() -> () { let cik_value = 320193; match cik::build(cik_value) { Ok(cik) => { println!("Parsed CIK: {}", cik.to_string()); // "320193" println!(" Integer value: {}", cik.value()); // 320193 } Err(err) => panic!("Unable to build CIK from {}: {}", cik_value, err), } }