From 3f8cee093180e79d6928dde9a9e6903c6658a9c7 Mon Sep 17 00:00:00 2001
From: Mateusz Pusz <mateusz.pusz@gmail.com>
Date: Tue, 8 Oct 2019 21:19:04 +0200
Subject: [PATCH] Scalar concept constraints reversed

---
 src/include/units/quantity.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/include/units/quantity.h b/src/include/units/quantity.h
index 13f7665c..b0ea1def 100644
--- a/src/include/units/quantity.h
+++ b/src/include/units/quantity.h
@@ -47,7 +47,7 @@ namespace units {
   // Scalar
 
   template<typename T>
-  concept Scalar = Number<T> && !Quantity<T>;
+  concept Scalar = (!Quantity<T>) && Number<T>;
 
   template<Unit U, Scalar Rep>
   class quantity;