Macro zng_ext_l10n::lang
source · macro_rules! lang { ($($tt:tt)+) => { ... }; }
Expand description
Compile-time validated Lang
value.
The language is parsed during compile and any errors are emitted as compile time errors.
§Syntax
The input can be a single a single string literal with -
separators, or a single ident with _
as the separators.
§Examples
let en_us = lang!(en_US);
let en = lang!(en);
assert!(en.matches(&en_us, true, false));
assert_eq!(en_us, lang!("en-US"));