Tuple!(string, "lang", string, "country", string, "encoding", string, "modifier")
assert(parseLocaleName("ru_RU.UTF-8@mod") == tuple("ru", "RU", "UTF-8", "mod")); assert(parseLocaleName("ru@mod") == tuple("ru", string.init, string.init, "mod")); assert(parseLocaleName("ru_RU") == tuple("ru", "RU", string.init, string.init));
makeLocaleName
Parse locale name into the tuple of 4 values corresponding to language, country, encoding and modifier