From b8cf34c691623e4ec329053cbbf68522a855882d Mon Sep 17 00:00:00 2001
From: DongHun Kwak <dh0128.kwak@samsung.com>
Date: Thu, 5 Dec 2019 15:12:59 +0900
Subject: Imported Upstream version 1.67.0

---
 boost/beast/http/detail/type_traits.hpp | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

(limited to 'boost/beast/http/detail/type_traits.hpp')

diff --git a/boost/beast/http/detail/type_traits.hpp b/boost/beast/http/detail/type_traits.hpp
index c9a06f9784..1d0c991826 100644
--- a/boost/beast/http/detail/type_traits.hpp
+++ b/boost/beast/http/detail/type_traits.hpp
@@ -194,6 +194,22 @@ struct is_fields_helper : T
         t10::value && t11::value && t12::value>;
 };
 
+template<class T>
+using has_deprecated_body_writer =
+    std::integral_constant<bool,
+        std::is_constructible<typename T::writer,
+            message<true, T, detail::fields_model>&>::value &&
+        std::is_constructible<typename T::writer,
+            message<false, T, detail::fields_model>&>::value>;
+
+template<class T>
+using has_deprecated_body_reader =
+    std::integral_constant<bool,
+        std::is_constructible<typename T::reader,
+            message<true, T, detail::fields_model>&>::value &&
+        std::is_constructible<typename T::reader,
+            message<false, T, detail::fields_model>&>::value>;
+
 } // detail
 } // http
 } // beast
-- 
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