From b70ea350649b57ade57d8c700a965bbcbbf71ca3 Mon Sep 17 00:00:00 2001
From: Serge Aleynikov <saleyn@gmail.com>
Date: Sat, 9 Jan 2021 02:18:54 -0500
Subject: [PATCH] =?UTF-8?q?Fix=20error:=20unused=20parameter=20=E2=80=98it?=
 =?UTF-8?q?r=E2=80=99?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

exprtk.hpp:2418:58: error: unused parameter ‘itr’ [-Werror=unused-parameter]
 2418 |          inline bool is_comment_start(details::char_cptr itr)
      |                                       ~~~~~~~~~~~~~~~~~~~^~~
---
 exprtk.hpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/exprtk.hpp b/exprtk.hpp
index 3f057b8..6702578 100644
--- a/exprtk.hpp
+++ b/exprtk.hpp
@@ -2415,7 +2415,11 @@ namespace exprtk
             return (s_end_ == itr);
          }
 
-         inline bool is_comment_start(details::char_cptr itr)
+         inline bool is_comment_start(details::char_cptr
+            #ifndef exprtk_disable_comments
+            itr
+            #endif
+         )
          {
             #ifndef exprtk_disable_comments
             const char_t c0 = *(itr + 0);