Language tags can be used identify human languages, scripts e.g. Latin script, countries and other regions.
This package currently supports parsing (fully conformant parser), formatting and comparing language tags.
Create a simple language tag representing the French language as spoken in Belgium and print it:
use LanguageTag; let langtag = parse.unwrap; assert_eq!;
Parse a tag representing a special type of English specified by private agreement:
use LanguageTag; use FromIterator; let langtag: LanguageTag = "en-x-twain".parse.unwrap; assert_eq!; assert_eq!;
You can check for equality, but more often you should test if two tags match.
In this example we check if the resource in German language is suitable for
a user from Austria. While people speaking Austrian German normally understand
standard German the opposite is not always true. So the resource can be presented
to the user but if the resource was in
de-AT and a user asked for a representation
de the request should be rejected.
use LanguageTag; let mut langtag_server = parse.unwrap; let mut langtag_user = parse.unwrap; assert!;
If you only want to validate and normalize the formatting of language tags or you are working with RDF consider using the oxilangtag crate. It is much more lightweight as it doesn't contain a language tag database and has a very similar interface to this crate.