Implement IntoResponse for boxed slices (#2035)

axum-core/src/response/into_response.rs

@@ -241,6 +241,12 @@ impl IntoResponse for String {
     }
 }
 
+impl IntoResponse for Box<str> {
+    fn into_response(self) -> Response {
+        String::from(self).into_response()
+    }
+}
+
 impl IntoResponse for Cow<'static, str> {
     fn into_response(self) -> Response {
         let mut res = Full::from(self).into_response();
@@ -366,6 +372,12 @@ impl IntoResponse for Vec<u8> {
     }
 }
 
+impl IntoResponse for Box<[u8]> {
+    fn into_response(self) -> Response {
+        Vec::from(self).into_response()
+    }
+}
+
 impl IntoResponse for Cow<'static, [u8]> {
     fn into_response(self) -> Response {
         let mut res = Full::from(self).into_response();

axum/CHANGELOG.md

@@ -12,6 +12,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 # 0.6.18 (30. April, 2023)
 
 - **fixed:** Don't remove the `Sec-WebSocket-Key` header in `WebSocketUpgrade` ([#1972])
+- **added:** Implement `IntoResponse` for `Box<str>` and `Box<[u8]>` ([#2035])
 
 [#1972]: https://github.com/tokio-rs/axum/pull/1972