From df24161cca46c4c138e8c4175d82c33ba178f354 Mon Sep 17 00:00:00 2001
From: Luke Parker <lukeparker5132@gmail.com>
Date: Mon, 20 Apr 2026 17:59:25 -0400
Subject: [PATCH] Ensure new type is `repr(transparent)`

The immediately following code performs a cast from the new type to the old type, which `repr(transparent)` guarantees the safety of. I'm not convinced this is _guaranteed_ to be safe with the default `repr(Rust)`.
---
 src/ast.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/ast.rs b/src/ast.rs
index c64d698..907d0d6 100644
--- a/src/ast.rs
+++ b/src/ast.rs
@@ -911,6 +911,7 @@ where
 macro_rules! reference_newtype {
     ( $newtype_name:ident , $oldtype:ty ) => {
         #[derive(Debug)]
+        #[repr(transparent)]
         struct $newtype_name($oldtype);
 
         impl $newtype_name {