conversions5

common/src/money.rs

@@ -15,14 +15,6 @@ pub use rusty_money::iso;
 /// whitespace, and any length but three. Normalising here instead would let a
 /// value be written in one spelling and compared in another.
 pub fn require_iso_currency_code(currency_code: &str) -> Result<&'static iso::Currency, String> {
-    if currency_code.len() != 3
-        || !currency_code
-            .chars()
-            .all(|character| character.is_ascii_uppercase())
-    {
-        return Err("Currency must be a canonical uppercase ISO-4217 code".to_string());
-    }
-
     iso::find(currency_code).ok_or_else(|| format!("Unknown ISO-4217 currency: {currency_code}"))
 }
 
@@ -42,7 +34,18 @@ mod tests {
     #[test]
     fn non_canonical_or_unknown_codes_are_rejected() {
         for currency_code in [
-            "", "E", "EU", "EURO", "eur", "Eur", " EUR", "EUR ", "E R", "E\u{20AC}R", "AAA", "123",
+            "",
+            "E",
+            "EU",
+            "EURO",
+            "eur",
+            "Eur",
+            " EUR",
+            "EUR ",
+            "E R",
+            "E\u{20AC}R",
+            "AAA",
+            "123",
         ] {
             assert!(
                 require_iso_currency_code(currency_code).is_err(),