From a2c126f867e12ae166c64fd625101c3c49ee2933 Mon Sep 17 00:00:00 2001
From: Yuriy Skalko <yuriy.skalko@gmail.com>
Date: Wed, 30 Dec 2020 01:35:25 +0200
Subject: [PATCH] Replace deprecated std::result_of, make nod library
 compatible with C++20

---
 3rdparty/nod/nod.hpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/3rdparty/nod/nod.hpp b/3rdparty/nod/nod.hpp
index 5c4a93cb85..4cc18fe1b8 100644
--- a/3rdparty/nod/nod.hpp
+++ b/3rdparty/nod/nod.hpp
@@ -269,7 +269,11 @@ namespace nod {
 	{
 		public:
 			/// Result type when calling the accumulating function operator.
+#if __cplusplus >= 201703L
+			using result_type = typename std::invoke_result<F, T, typename S::slot_type::result_type>::type;
+#else
 			using result_type = typename std::result_of<F(T, typename S::slot_type::result_type)>::type;
+#endif
 
 			/// Construct a signal_accumulator as a proxy to a given signal
 			//