Implement Clone for CookieJar, PrivateCookieJar and SignedCookieJar (#1808)

axum-extra/src/extract/cookie/mod.rs

@@ -83,7 +83,7 @@ pub use cookie::Key;
 ///     .route("/me", get(me));
 /// # let app: Router = app;
 /// ```
-#[derive(Debug, Default)]
+#[derive(Debug, Default, Clone)]
 pub struct CookieJar {
     jar: cookie::CookieJar,
 }

axum-extra/src/extract/cookie/private.rs

@@ -301,3 +301,13 @@ impl<'a, K> Iterator for PrivateCookieJarIter<'a, K> {
         }
     }
 }
+
+impl<K> Clone for PrivateCookieJar<K> {
+    fn clone(&self) -> Self {
+        Self {
+            jar: self.jar.clone(),
+            key: self.key.clone(),
+            _marker: self._marker,
+        }
+    }
+}

axum-extra/src/extract/cookie/signed.rs

@@ -319,3 +319,13 @@ impl<'a, K> Iterator for SignedCookieJarIter<'a, K> {
         }
     }
 }
+
+impl<K> Clone for SignedCookieJar<K> {
+    fn clone(&self) -> Self {
+        Self {
+            jar: self.jar.clone(),
+            key: self.key.clone(),
+            _marker: self._marker,
+        }
+    }
+}