From 6f50c6ed4e28677501eddfa2487fe20640a66862 Mon Sep 17 00:00:00 2001
From: StNicolay <103897650+StNicolay@users.noreply.github.com>
Date: Fri, 16 Aug 2024 11:12:35 +0300
Subject: [PATCH] Made DefaultBodyLimit const friendly (#2875)

---
 axum-core/CHANGELOG.md                      | 4 +++-
 axum-core/src/extract/default_body_limit.rs | 6 +++---
 2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/axum-core/CHANGELOG.md b/axum-core/CHANGELOG.md
index ef0d1a67..1544fff8 100644
--- a/axum-core/CHANGELOG.md
+++ b/axum-core/CHANGELOG.md
@@ -7,7 +7,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 # Unreleased
 
-- None.
+- **added:** Implement `Copy` for `DefaultBodyLimit`
+- **added**: `DefaultBodyLimit::max` and `DefaultBodyLimit::disable` are now
+  allowed in const context
 
 # 0.4.3 (13. January, 2024)
 
diff --git a/axum-core/src/extract/default_body_limit.rs b/axum-core/src/extract/default_body_limit.rs
index 2ec82feb..a045d1cd 100644
--- a/axum-core/src/extract/default_body_limit.rs
+++ b/axum-core/src/extract/default_body_limit.rs
@@ -72,7 +72,7 @@ use tower_layer::Layer;
 /// [`RequestBodyLimit`]: tower_http::limit::RequestBodyLimit
 /// [`RequestExt::with_limited_body`]: crate::RequestExt::with_limited_body
 /// [`RequestExt::into_limited_body`]: crate::RequestExt::into_limited_body
-#[derive(Debug, Clone)]
+#[derive(Debug, Clone, Copy)]
 #[must_use]
 pub struct DefaultBodyLimit {
     kind: DefaultBodyLimitKind,
@@ -116,7 +116,7 @@ impl DefaultBodyLimit {
     /// [`Bytes`]: bytes::Bytes
     /// [`Json`]: https://docs.rs/axum/0.7/axum/struct.Json.html
     /// [`Form`]: https://docs.rs/axum/0.7/axum/struct.Form.html
-    pub fn disable() -> Self {
+    pub const fn disable() -> Self {
         Self {
             kind: DefaultBodyLimitKind::Disable,
         }
@@ -149,7 +149,7 @@ impl DefaultBodyLimit {
     /// [`Bytes::from_request`]: bytes::Bytes
     /// [`Json`]: https://docs.rs/axum/0.7/axum/struct.Json.html
     /// [`Form`]: https://docs.rs/axum/0.7/axum/struct.Form.html
-    pub fn max(limit: usize) -> Self {
+    pub const fn max(limit: usize) -> Self {
         Self {
             kind: DefaultBodyLimitKind::Limit(limit),
         }