From 3bd7b342f0f20fa9fdd3dcf5a98462b098a73111 Mon Sep 17 00:00:00 2001
From: Stephan van Veen <vanveen.stephan@gmail.com>
Date: Sat, 11 May 2019 13:19:17 +0200
Subject: [PATCH] Add const

---
 include/argparse.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/argparse.hpp b/include/argparse.hpp
index f17c5b5..0c0f07b 100644
--- a/include/argparse.hpp
+++ b/include/argparse.hpp
@@ -319,7 +319,7 @@ class ArgumentParser {
       else
         mPositionalArguments.emplace_back(tArgument);
 
-      for (auto& mName : tArgument->mNames) {
+      for (const auto& mName : tArgument->mNames) {
         mArgumentMap.insert_or_assign(mName, tArgument);
       }
       return *tArgument;