From ca0d1e0d38d028933802a53059adbe69c1914eb0 Mon Sep 17 00:00:00 2001
From: "Zezheng.Li" <Zezheng.Li@linux.alibaba.com>
Date: Mon, 18 Sep 2023 19:29:05 +0800
Subject: [PATCH] fix

---
 include/ylt/struct_pack/reflection.hpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/include/ylt/struct_pack/reflection.hpp b/include/ylt/struct_pack/reflection.hpp
index c7b054c3d..cd3fad027 100644
--- a/include/ylt/struct_pack/reflection.hpp
+++ b/include/ylt/struct_pack/reflection.hpp
@@ -193,12 +193,15 @@ struct has_user_defined_id_impl<
 template <typename T>
 constexpr bool has_user_defined_id = has_user_defined_id_impl<T>::value;
 
+template <std::size_t sz>
+struct constant_checker{};
+
 template <typename T, typename = void>
 struct has_user_defined_id_ADL_impl : std::false_type {};
 
 template <typename T>
 struct has_user_defined_id_ADL_impl<
-    T, std::void_t<std::integral_constant<std::size_t, struct_pack_id((T*)nullptr)>>>
+    T, std::void_t<decltype(constant_checker<struct_pack_id((T*)nullptr)>)>>
     : std::true_type {};
 
 template <typename T>