From 6893ff4efcfba757d3a34e707ebd798a668d1812 Mon Sep 17 00:00:00 2001
From: Mateusz Pusz <mateusz.pusz@gmail.com>
Date: Mon, 30 Sep 2019 09:06:42 +0200
Subject: [PATCH] common_type<my_value<T>, my_value<U>> used in a unit test
 refactored

---
 test/unit_test/test_quantity.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/test/unit_test/test_quantity.cpp b/test/unit_test/test_quantity.cpp
index fb8e88a5..19c99b66 100644
--- a/test/unit_test/test_quantity.cpp
+++ b/test/unit_test/test_quantity.cpp
@@ -63,7 +63,7 @@ namespace units {
 namespace std {
 
   template<typename T, typename U>
-  struct common_type<my_value<T>, my_value<U>> : common_type<T, U> {
+  struct common_type<my_value<T>, my_value<U>> : std::type_identity<my_value<common_type_t<T, U>>> {
   };
 
   template<typename T, typename U>