From 87563ebf42b6c6ee690ba20d1fb06a5636a6f97f Mon Sep 17 00:00:00 2001
From: Serge Aleynikov <saleyn@gmail.com>
Date: Sat, 9 Jan 2021 01:23:00 -0500
Subject: [PATCH] Fix warning: enum constant in boolean context
 [-Wint-in-bool-context]

---
 exprtk.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/exprtk.hpp b/exprtk.hpp
index 3f057b8..ec66865 100644
--- a/exprtk.hpp
+++ b/exprtk.hpp
@@ -18062,7 +18062,7 @@ namespace exprtk
                  )
             return false;
          else if (
-                   generic_function_t::e_rtrn_overload &&
+                   generic_function_t::e_rtrn_overload == function.rtrn_type &&
                    std::string::npos != function.parameter_sequence.find_first_not_of("STV*?|:")
                  )
             return false;