fix appending attributes instead of inserting them

This fixes a warning (`legacy_derive_helpers`) about outer struct attributes being used before being declared. This warning is slated to become a hard error in the future.
jcaesar · Nov 17, 2022 · efa8b2a · efa8b2a
1 parent 66171b7
commit efa8b2a
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/imp.rs b/src/imp.rs
@@ -251,7 +251,8 @@ fn strike_through_attributes(
             true
         }
     });
-    dec_attrs.extend_from_slice(&strike_attrs[..]);
+
+    strike_attrs.iter().for_each(|attr| dec_attrs.insert(0, attr.clone()));
 }
 
 fn recurse_through_type_list(