From 578c5ac66c80cd1bfb43206dbba091a3985bb4bc Mon Sep 17 00:00:00 2001
From: Jay Berkenbilt <ejb@ql.org>
Date: Fri, 10 Apr 2020 10:07:23 -0400
Subject: Use more references when iterating

When possible, use `for (auto&` or `for (auto const&` when iterating
using C++-11 style iterators.
---
 libtests/cxx11.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'libtests/cxx11.cc')

diff --git a/libtests/cxx11.cc b/libtests/cxx11.cc
index 91ed7b15..ba4525ed 100644
--- a/libtests/cxx11.cc
+++ b/libtests/cxx11.cc
@@ -105,7 +105,7 @@ void do_iteration()
     std::vector<int> v = { 1, 2, 3, 4 };
     assert(v.size() == 4);
     int sum = 0;
-    for (auto i: v)
+    for (auto& i: v)
     {
         sum += i;
     }
-- 
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