From 7208e5cebda6e767744762204dc3a9e83dd78a8f Mon Sep 17 00:00:00 2001
From: Wataru Otsubo <wotsubo@icepp.s.u-tokyo.ac.jp>
Date: Sat, 7 Jun 2025 05:09:15 +0900
Subject: [PATCH] update(codegen_register): add derive(Copy) to register value
 enum

It must be unit only enum, so Copy isn't so heavy operation
---
 src/generator/codegen_register.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/generator/codegen_register.rs b/src/generator/codegen_register.rs
index 4936ad9..fea2d10 100644
--- a/src/generator/codegen_register.rs
+++ b/src/generator/codegen_register.rs
@@ -360,6 +360,7 @@ fn generate_custom_values_const_enumdef(
         util::parse_to_ident(&field_name.to_string().to_upper_camel_case()).unwrap();
 
     quote! {
+        #[derive(Clone, Copy)]
         pub enum #value_enum_name {
             #(#variants),*
         }