IBAN and BIC

use iban.qweruse iban_parse, iban_valid from iban      // Quillo 0.6: only these

iban_validate = "4"

// A payout form's bank details.////   quillo run iban.qwe      then open http://localhost:8080/check?iban=DE44+5001+0517+5407+3249+31use "iban.qwer"route GET /check ? { iban: str } = iban_parse(iban)route GET /samples = { good: iban_valid("GB82 WEST 1234 5698 7654 32"), typo: iban_valid("GB82 WEST 1234 5698 7654 33"), bic: bic_valid("DEUTDEFF") }

//! IBANs and BICs checked (country, length, check digits) and written as banks print them.//! version: 1.0.0//!//! [dependencies]//! iban_validate = "4"use iban::{Iban, IbanLike};use serde_json::{json, Value};/// `{ iban, printed, country, bban, bank }` of a valid IBAN (spaces allowed), or an error saying what is wrong.pub fn iban_parse(text: &str) -> Result<Value, String> {    let i: Iban = text.parse().map_err(|e: iban::ParseIbanError| e.to_string())?;    Ok(json!({        "iban": i.electronic_str(), "printed": i.to_string(), "country": i.country_code(),        "bban": i.bban(), "bank": i.bank_identifier(),    }))}/// Whether `text` is a valid IBAN.pub fn iban_valid(text: &str) -> bool {    text.parse::<Iban>().is_ok()}/// Whether `text` is a well-formed BIC (SWIFT code), 8 or 11 characters.pub fn bic_valid(text: &str) -> bool {    // Four letters for the bank, two for the country, two letters or digits for the place, and three for a branch.    let b: Vec<char> = text.trim().to_uppercase().chars().collect();    (b.len() == 8 || b.len() == 11)        && b[..6].iter().all(|c| c.is_ascii_uppercase())        && b[6..].iter().all(|c| c.is_ascii_uppercase() || c.is_ascii_digit())}