Implement TypedPath for WithRejection<TypedPath, _> (#2491)

axum-extra/src/routing/typed.rs

@@ -386,7 +386,15 @@ impl_second_element_is!(T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13,
 #[cfg(test)]
 mod tests {
     use super::*;
-    use crate::routing::TypedPath;
+    use crate::{
+        extract::WithRejection,
+        routing::{RouterExt, TypedPath},
+    };
+    use axum::{
+        extract::rejection::PathRejection,
+        response::{IntoResponse, Response},
+        Router,
+    };
     use serde::Deserialize;
 
     #[derive(TypedPath, Deserialize)]
@@ -434,4 +442,25 @@ mod tests {
 
         assert_eq!(uri, "/users/1?&foo=foo&bar=123&baz=true&qux=1337");
     }
+
+    #[allow(dead_code)] // just needs to compile
+    fn supports_with_rejection() {
+        async fn handler(_: WithRejection<UsersShow, MyRejection>) {}
+
+        struct MyRejection {}
+
+        impl IntoResponse for MyRejection {
+            fn into_response(self) -> Response {
+                unimplemented!()
+            }
+        }
+
+        impl From<PathRejection> for MyRejection {
+            fn from(_: PathRejection) -> Self {
+                unimplemented!()
+            }
+        }
+
+        let _: Router = Router::new().typed_get(handler);
+    }
 }