Macro icu_locid::extensions::transform::key
source · macro_rules! key { ($string:literal) => { ... }; }
Expand description
A macro allowing for compile-time construction of valid Key
subtags.
§Examples
Parsing errors don’t have to be handled at runtime:
assert_eq!(
icu_locid::extensions::transform::key!("k0"),
"k0".parse::<icu_locid::extensions::transform::Key>().unwrap()
);
Invalid input is a compile failure:
ⓘ
icu_locid::extensions::transform::key!("");