From 7539a2e110765367c33c2956d082c6f3f574bd5e Mon Sep 17 00:00:00 2001
From: Rosen Penev <rosenp@gmail.com>
Date: Sat, 9 May 2020 18:09:20 -0700
Subject: [PATCH] [clang-tidy] remove redundant const

Found with readability-const-return-type

Signed-off-by: Rosen Penev <rosenp@gmail.com>
---
 include/cxxopts.hpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/cxxopts.hpp b/include/cxxopts.hpp
index 0501873..c636030 100644
--- a/include/cxxopts.hpp
+++ b/include/cxxopts.hpp
@@ -1377,7 +1377,7 @@ namespace cxxopts
     std::string
     help(const std::vector<std::string>& groups = {}) const;
 
-    const std::vector<std::string>
+    std::vector<std::string>
     groups() const;
 
     const HelpGroupDetails&
@@ -2164,7 +2164,7 @@ Options::help(const std::vector<std::string>& help_groups) const
 }
 
 inline
-const std::vector<std::string>
+std::vector<std::string>
 Options::groups() const
 {
   std::vector<std::string> g;