From 8c6fe5adae45d278a0c37ee675afb966c7fb2b73 Mon Sep 17 00:00:00 2001
From: Luca Fedeli <luca.fedeli@cea.fr>
Date: Fri, 2 Oct 2020 22:38:08 +0200
Subject: [mini-PR] Fix a couple of warnings (#1408)

* fixed unused variable warning

* fixed unwanted copy
---
 Source/Utils/IntervalsParser.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'Source/Utils/IntervalsParser.cpp')

diff --git a/Source/Utils/IntervalsParser.cpp b/Source/Utils/IntervalsParser.cpp
index 8e54b5623..a98bf57a2 100644
--- a/Source/Utils/IntervalsParser.cpp
+++ b/Source/Utils/IntervalsParser.cpp
@@ -61,7 +61,7 @@ int SliceParser::getStop () const {return m_stop;}
 IntervalsParser::IntervalsParser (const std::vector<std::string>& instr_vec)
 {
     std::string inconcatenated;
-    for (const auto instr_element : instr_vec) inconcatenated +=instr_element;
+    for (const auto& instr_element : instr_vec) inconcatenated +=instr_element;
 
     auto insplit = WarpXUtilStr::split<std::vector<std::string>>(inconcatenated, m_separator);
 
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