From 7aa34ef9bc17568329784d8a284635a05afc5a04 Mon Sep 17 00:00:00 2001
From: Rasmus Karlsson <rasmus.karlsson@pajlada.com>
Date: Sat, 11 Aug 2018 14:12:41 +0200
Subject: [PATCH] remove c++17 dependency

---
 src/common/UniqueAccess.hpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/common/UniqueAccess.hpp b/src/common/UniqueAccess.hpp
index 529ac0623..6e9f7a52e 100644
--- a/src/common/UniqueAccess.hpp
+++ b/src/common/UniqueAccess.hpp
@@ -88,7 +88,8 @@ public:
         return AccessGuard<T>(this->element_, this->mutex_);
     }
 
-    template <typename X = T, typename = std::enable_if_t<!std::is_const_v<X>>>
+    template <typename X = T,
+              typename = std::enable_if_t<!std::is_const<X>::value>>
     AccessGuard<const X> accessConst() const
     {
         return AccessGuard<const T>(this->element_, this->mutex_);