Macro icu_locid::unicode_ext_key
source · [−]macro_rules! unicode_ext_key {
($key:literal) => { ... };
}
Expand description
A macro allowing for compile-time construction of valid Unicode Key
subtag.
The macro will perform syntax canonicalization of the tag.
Examples
use icu::locid::unicode_ext_key;
use icu::locid::extensions::unicode::{Key, Value};
use icu::locid::Locale;
use writeable::Writeable;
const CALENDAR_KEY: Key = unicode_ext_key!("ca");
let loc: Locale = "de-u-ca-buddhist".parse().unwrap();
assert_eq!(
loc.extensions.unicode.keywords.get(&CALENDAR_KEY),
Some(&Value::from_bytes(b"buddhist").unwrap())
);