Crate use_currency_code 

use-currency-code

Small ISO 4217-style currency code primitives for RustUse.

Example

use use_currency_code::{is_currency_code, parse_currency_code};

let currency = parse_currency_code("usd").unwrap();

assert_eq!(currency.as_str(), "USD");
assert!(is_currency_code("EUR"));

Scope

• Validate 3-letter alphabetic currency code shapes.
• Normalize currency code identifiers to uppercase.
• Provide a small CurrencyCode newtype for validated currency identifiers.

Non-goals

• Exchange rates.
• Money arithmetic.
• Decimal formatting.
• Live currency metadata downloads.
• Finance APIs.

License

Licensed under either of the following, at your option:

• Apache License, Version 2.0
• MIT license

Structs

CurrencyCode

A normalized 3-letter currency code identifier.

Constants

COMMON_CURRENCY_CODES

Common currency code examples used in docs and tests.

Functions

is_currency_code

Returns true when the input is a 3-letter currency code identifier.

normalize_currency_code

Normalizes a 3-letter currency code identifier to uppercase.

parse_currency_code

Parses a currency code identifier and normalizes it to uppercase.