Make status a const function in rejection handling (#3168)

Signed-off-by: Awiteb <a@4rs.nl>

axum-core/CHANGELOG.md

@@ -7,6 +7,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 # Unreleased
 
+- **change:** Make the `status` function for rejections generated by the
+  `__define_rejection` and `__composite_rejection` macros a `const` function
+  ([#3168])
+
+[#3168]: https://github.com/tokio-rs/axum/pull/3168
+
 # 0.5.0
 
 ## since rc.1

axum-core/src/macros.rs

@@ -54,7 +54,7 @@ macro_rules! __define_rejection {
             }
 
             /// Get the status code used for this rejection.
-            pub fn status(&self) -> http::StatusCode {
+            pub const fn status(&self) -> http::StatusCode {
                 http::StatusCode::$status
             }
         }
@@ -111,7 +111,7 @@ macro_rules! __define_rejection {
             }
 
             /// Get the status code used for this rejection.
-            pub fn status(&self) -> http::StatusCode {
+            pub const fn status(&self) -> http::StatusCode {
                 http::StatusCode::$status
             }
         }
@@ -188,7 +188,7 @@ macro_rules! __composite_rejection {
             }
 
             /// Get the status code used for this rejection.
-            pub fn status(&self) -> http::StatusCode {
+            pub const fn status(&self) -> http::StatusCode {
                 match self {
                     $(
                         Self::$variant(inner) => inner.status(),

axum-extra/CHANGELOG.md

@@ -10,8 +10,11 @@ and this project adheres to [Semantic Versioning].
 - **breaking:** Remove unused `async-stream` feature, which was accidentally
   introduced as an implicit feature through an optional dependency which was no
   longer being used ([#3145])
+- **change:** Make the `status` function of rejections a `const` function, such
+  as `FormRejection`, `QueryRejection` and `MultipartRejection` ([#3168])
 
 [#3145]: https://github.com/tokio-rs/axum/pull/3145
+[#3168]: https://github.com/tokio-rs/axum/pull/3168
 
 # 0.10.0
 

axum/CHANGELOG.md

@@ -9,9 +9,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - **added:** Implement `OptionalFromRequest` for `Json` ([#3142])
 - **added:** Implement `OptionalFromRequest` for `Extension` ([#3157])
+- **change:** Make the `status` function of rejections a `const` function, such
+  as `JsonRejection`, `QueryRejection` and `PathRejection` ([#3168])
 
 [#3142]: https://github.com/tokio-rs/axum/pull/3142
 [#3157]: https://github.com/tokio-rs/axum/pull/3157
+[#3168]: https://github.com/tokio-rs/axum/pull/3168
 
 # 0.8.0
 

axum/src/extract/path/mod.rs

@@ -429,7 +429,7 @@ impl FailedToDeserializePathParams {
     }
 
     /// Get the status code used for this rejection.
-    pub fn status(&self) -> StatusCode {
+    pub const fn status(&self) -> StatusCode {
         match self.0.kind {
             ErrorKind::Message(_)
             | ErrorKind::DeserializeError { .. }
@@ -563,7 +563,7 @@ impl InvalidUtf8InPathParam {
     }
 
     /// Get the status code used for this rejection.
-    pub fn status(&self) -> StatusCode {
+    pub const fn status(&self) -> StatusCode {
         StatusCode::BAD_REQUEST
     }
 }