From 26b716f5496b849a29397978c16b0ea765970ac8 Mon Sep 17 00:00:00 2001
From: Wataru Otsubo <wotsubo@icepp.s.u-tokyo.ac.jp>
Date: Thu, 31 Jul 2025 18:19:24 +0900
Subject: [PATCH] update(generator): remove Value docs if desc is None or empty

---
 src/generator/codegen_register.rs | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/generator/codegen_register.rs b/src/generator/codegen_register.rs
index e9fa510..79aad52 100644
--- a/src/generator/codegen_register.rs
+++ b/src/generator/codegen_register.rs
@@ -349,10 +349,14 @@ fn generate_custom_values_const_enumdef(
         }
     });
     let variants = values.iter().map(|value| {
-        let desc = value.desc.clone().unwrap_or("".to_string());
+        let doc = match value.desc {
+            None => quote! {},
+            Some(ref s) if s.is_empty() => quote! {},
+            Some(ref desc) => quote! { #[doc = #desc] },
+        };
         let variant_name = util::parse_to_ident(&value.name.to_upper_camel_case()).unwrap();
         quote! {
-            #[doc = #desc]
+            #doc
             #variant_name
         }
     });