From 35bf3c8ad7f4fd64f81773af234b1283572ad7f2 Mon Sep 17 00:00:00 2001
From: Kefu Chai <tchaikov@gmail.com>
Date: Sun, 21 Aug 2022 08:48:11 +0800
Subject: [PATCH] include/denc: use concept to define denc_traits

to be more specific, define denc_traits for types with ext types

Signed-off-by: Kefu Chai <tchaikov@gmail.com>
---
 src/include/denc.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/include/denc.h b/src/include/denc.h
index 92224252a52..621da9e70bc 100644
--- a/src/include/denc.h
+++ b/src/include/denc.h
@@ -376,7 +376,8 @@ using ExtType_t = typename ExtType<T>::type;
 } // namespace _denc
 
 template<typename T>
-struct denc_traits<T, std::enable_if_t<!std::is_void_v<_denc::ExtType_t<T>>>>
+requires (!std::is_void_v<_denc::ExtType_t<T>>)
+struct denc_traits<T>
 {
   static constexpr bool supported = true;
   static constexpr bool featured = false;
-- 
2.39.5