feat: add QUERY method routing (#3801)

axum-extra/CHANGELOG.md

@@ -22,11 +22,13 @@ and this project adheres to [Semantic Versioning].
       .route_with_tsr("/path", get(/* handler */))
       .route_with_tsr("/path", post(/* handler */))
   ```
+- **added:** Add `RouterExt::typed_query` ([#3801])
 - **fixed:** Escape multipart `Content-Disposition` parameters and reject
   newlines in field names and filenames ([#3776])
 
 [#3599]: https://github.com/tokio-rs/axum/pull/3599
 [#3586]: https://github.com/tokio-rs/axum/pull/3586
+[#3801]: https://github.com/tokio-rs/axum/pull/3801
 [#3776]: https://github.com/tokio-rs/axum/pull/3776
 
 # 0.12.6

axum-extra/src/routing/mod.rs

@@ -234,6 +234,19 @@ pub trait RouterExt<S>: sealed::Sealed {
         T: SecondElementIs<P> + 'static,
         P: TypedPath;
 
+    /// Add a typed `QUERY` route to the router.
+    ///
+    /// The path will be inferred from the first argument to the handler function which must
+    /// implement [`TypedPath`].
+    ///
+    /// See [`TypedPath`] for more details and examples.
+    #[cfg(feature = "typed-routing")]
+    fn typed_query<H, T, P>(self, handler: H) -> Self
+    where
+        H: axum::handler::Handler<T, S>,
+        T: SecondElementIs<P> + 'static,
+        P: TypedPath;
+
     /// Add another route to the router with an additional "trailing slash redirect" route.
     ///
     /// If you add a route _without_ a trailing slash, such as `/foo`, this method will also add a
@@ -368,6 +381,16 @@ where
         self.route(P::PATH, axum::routing::connect(handler))
     }
 
+    #[cfg(feature = "typed-routing")]
+    fn typed_query<H, T, P>(self, handler: H) -> Self
+    where
+        H: axum::handler::Handler<T, S>,
+        T: SecondElementIs<P> + 'static,
+        P: TypedPath,
+    {
+        self.route(P::PATH, axum::routing::query(handler))
+    }
+
     #[track_caller]
     fn route_with_tsr(mut self, path: &str, method_router: MethodRouter<S>) -> Self
     where