From 9c1708c988e75fa9dabd50906f11c85f09d2d0dd Mon Sep 17 00:00:00 2001
From: Philip Top <top1@llnl.gov>
Date: Wed, 24 Nov 2021 06:40:09 -0800
Subject: [PATCH] Update toml/traits.hpp

Co-authored-by: Toru Niina <niina.toru.68u@gmail.com>
---
 toml/traits.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/toml/traits.hpp b/toml/traits.hpp
index fa33ff0..5495c93 100644
--- a/toml/traits.hpp
+++ b/toml/traits.hpp
@@ -282,7 +282,7 @@ using enable_if_t = typename std::enable_if<B, T>::type;
 // ---------------------------------------------------------------------------
 // return_type_of_t
 
-#if __cplusplus >= 201703L && defined(__cpp_lib_is_invocable) && __cpp_lib_is_invocable>=201710
+#if __cplusplus >= 201703L && defined(__cpp_lib_is_invocable) && __cpp_lib_is_invocable>=201703
 
 template<typename F, typename ... Args>
 using return_type_of_t = std::invoke_result_t<F, Args...>;