From 6a9d2c5bbd30c5db612e15b5eaeb1ac09d8a6bf5 Mon Sep 17 00:00:00 2001
From: Jeremy Rifkin <51220084+jeremy-rifkin@users.noreply.github.com>
Date: Sun, 26 Jan 2025 19:31:20 -0600
Subject: [PATCH] Fixes for C++11 / older gcc

---
 src/utils/optional.hpp | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/utils/optional.hpp b/src/utils/optional.hpp
index ae7031e..6d4197f 100644
--- a/src/utils/optional.hpp
+++ b/src/utils/optional.hpp
@@ -22,9 +22,9 @@ namespace detail {
             int
         >::type = 0
     >
-    using well_behaved = std::conditional_t<
-        std::is_reference<T>::value, std::reference_wrapper<std::remove_reference_t<T>>, T
-    >;
+    using well_behaved = typename std::conditional<
+        std::is_reference<T>::value, std::reference_wrapper<typename std::remove_reference<T>::type>, T
+    >::type;
 
     template<
         typename T,