Make use of the Cow

Author: MrGVSV

crates/bevy_reflect/src/serde/de.rs

@@ -12,6 +12,7 @@ use serde::de::{
 };
 use serde::Deserialize;
 use std::any::TypeId;
+use std::borrow::Cow;
 use std::fmt;
 use std::fmt::{Debug, Display, Formatter};
 use std::slice::Iter;
@@ -273,7 +274,7 @@ impl<'a, 'de> Visitor<'de> for UntypedReflectDeserializerVisitor<'a> {
         A: MapAccess<'de>,
     {
         let type_name = map
-            .next_key::<String>()?
+            .next_key::<Cow<'static, str>>()?
             .ok_or_else(|| Error::invalid_length(0, &"at least one entry"))?;
 
         let registration = self.registry.get_with_name(&type_name).ok_or_else(|| {

crates/bevy_scene/src/serde.rs

@@ -9,6 +9,7 @@ use serde::{
     ser::SerializeStruct,
     Deserialize, Deserializer, Serialize, Serializer,
 };
+use std::borrow::Cow;
 use std::fmt::Formatter;
 
 pub const SCENE_STRUCT: &str = "Scene";
@@ -352,7 +353,7 @@ impl<'a, 'de> Visitor<'de> for ComponentVisitor<'a> {
     {
         let mut added = HashSet::new();
         let mut components = Vec::new();
-        while let Some(key) = map.next_key::<String>()? {
+        while let Some(key) = map.next_key::<Cow<'static, str>>()? {
             if !added.insert(key.clone()) {
                 return Err(Error::custom(format!("duplicate component: `{key}`")));
             }