src/lib.rs

@@ -92,6 +92,8 @@ const ACCEPT_LANG: &'static str = "Accept-Language";
 pub struct I18n {
     /// The catalog containing the translated messages, in the correct locale for this request.
     pub catalog: Catalog,
+    /// The language of the current request.
+    pub lang: &'static str,
 }
 
 pub type Translations = Vec<(&'static str, Catalog)>;

src/with_actix.rs

@@ -55,8 +55,9 @@ where
             .unwrap_or("en");
 
         match langs.iter().find(|l| l.0 == lang) {
-            Some(catalog) => Ok(I18n {
-                catalog: catalog.1.clone(),
+            Some(translation) => Ok(I18n {
+                catalog: translation.1.clone(),
+                lang: translation.0,
             }),
             None => Err(MissingTranslationsError(lang.to_owned()).into()),
         }

src/with_rocket.rs

@@ -28,8 +28,9 @@ impl<'a, 'r> FromRequest<'a, 'r> for I18n {
             .unwrap_or("en");
 
         match langs.iter().find(|l| l.0 == lang) {
-            Some(catalog) => Outcome::Success(I18n {
-                catalog: catalog.1.clone(),
+            Some(translation) => Outcome::Success(I18n {
+                catalog: translation.1.clone(),
+                lang: translation.0,
             }),
             None => Outcome::Failure((Status::InternalServerError, ())),
         }