Internally Arc Router

axum/src/boxed.rs

@@ -118,7 +118,7 @@ where
         (self.into_route)(self.router, state)
     }
 
-    fn call_with_state(mut self: Box<Self>, request: Request, state: S) -> RouteFuture<Infallible> {
+    fn call_with_state(self: Box<Self>, request: Request, state: S) -> RouteFuture<Infallible> {
         self.router.call_with_state(request, state)
     }
 }

axum/src/routing/method_routing.rs

@@ -1023,7 +1023,7 @@ where
         self
     }
 
-    pub(crate) fn call_with_state(&mut self, req: Request, state: S) -> RouteFuture<E> {
+    pub(crate) fn call_with_state(&self, req: Request, state: S) -> RouteFuture<E> {
         macro_rules! call {
             (
                 $req:expr,
@@ -1039,7 +1039,7 @@ where
                                 .strip_body($method == Method::HEAD);
                         }
                         MethodEndpoint::BoxedHandler(handler) => {
-                            let mut route = handler.clone().into_route(state);
+                            let route = handler.clone().into_route(state);
                             return RouteFuture::from_future(route.oneshot_inner($req))
                                 .strip_body($method == Method::HEAD);
                         }
@@ -1220,7 +1220,7 @@ where
 {
     type Future = InfallibleRouteFuture;
 
-    fn call(mut self, req: Request, state: S) -> Self::Future {
+    fn call(self, req: Request, state: S) -> Self::Future {
         InfallibleRouteFuture::new(self.call_with_state(req, state))
     }
 }