+#[derive(Clone, Debug, Deserialize, Serialize)]
+#[serde(rename_all = "camelCase")]
+pub(crate) struct LanguageTag {
+ pub(crate) identifier: String,
+ pub(crate) name: String,
+}
+
+impl LanguageTag {
+ pub(crate) fn new(lang: Language) -> Option<LanguageTag> {
+ // undetermined
+ if lang.code == "und" {
+ None
+ } else {
+ Some(LanguageTag {
+ identifier: lang.code,
+ name: lang.name,
+ })
+ }
+ }
+}