Implement Clone for IntoMakeServiceWithConnectInfo (#471)

Fixes https://github.com/tokio-rs/axum/issues/470

axum/CHANGELOG.md

@@ -7,7 +7,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 # Unreleased
 
-- None
+- **fixed:** Implement `Clone` for `IntoMakeServiceWithConnectInfo` ([#471])
+
+[#471]: https://github.com/tokio-rs/axum/pull/471
 
 # 0.3.0 (02. November, 2021)
 

axum/src/extract/connect_info.rs

@@ -56,6 +56,18 @@ where
     }
 }
 
+impl<S, C> Clone for IntoMakeServiceWithConnectInfo<S, C>
+where
+    S: Clone,
+{
+    fn clone(&self) -> Self {
+        Self {
+            svc: self.svc.clone(),
+            _connect_info: PhantomData,
+        }
+    }
+}
+
 /// Trait that connected IO resources implement and use to produce information
 /// about the connection.
 ///