debug name from bevy

crates/renderer/src/util.rs

@@ -1,4 +1,7 @@
-use std::ops::{Deref, DerefMut};
+use std::{
+    borrow::Cow,
+    ops::{Deref, DerefMut},
+};
 
 use ash::vk;
 use bytemuck::{Pod, Zeroable};
@@ -72,7 +75,61 @@ pub(crate) mod weak_vec {
     }
 }
 
-pub(crate) mod cow_arc {}
+#[derive(Clone, PartialEq, Eq, Hash)]
+pub struct DebugName {
+    #[cfg(debug_assertions)]
+    name: Cow<'static, str>,
+}
+
+impl core::fmt::Display for DebugName {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(f, "{}", &**self)
+    }
+}
+
+impl core::fmt::Debug for DebugName {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(f, "{}", &**self)
+    }
+}
+
+impl core::ops::Deref for DebugName {
+    type Target = str;
+
+    fn deref(&self) -> &Self::Target {
+        #[cfg(debug_assertions)]
+        return &self.name;
+        #[cfg(not(debug_assertions))]
+        return "FEATURE_DISABLED";
+    }
+}
+
+impl From<Cow<'static, str>> for DebugName {
+    fn from(_value: Cow<'static, str>) -> Self {
+        Self {
+            #[cfg(debug_assertions)]
+            name: _value,
+        }
+    }
+}
+
+impl From<&'static str> for DebugName {
+    fn from(_value: &'static str) -> Self {
+        Self {
+            #[cfg(debug_assertions)]
+            name: Cow::Borrowed(_value),
+        }
+    }
+}
+
+impl From<String> for DebugName {
+    fn from(_value: String) -> Self {
+        Self {
+            #[cfg(debug_assertions)]
+            name: Cow::Owned(_value),
+        }
+    }
+}
 
 #[macro_export]
 macro_rules! def_monotonic_id {