From 8d345842838c13fce0df5f9045a8842a98b63477 Mon Sep 17 00:00:00 2001
From: Wolfgang Bangerth <bangerth@colostate.edu>
Date: Thu, 10 Nov 2022 14:31:49 -0700
Subject: [PATCH] Use a range-based for loop.

---
 source/base/data_out_base.cc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/source/base/data_out_base.cc b/source/base/data_out_base.cc
index 7320294069..a4dd9aedda 100644
--- a/source/base/data_out_base.cc
+++ b/source/base/data_out_base.cc
@@ -231,8 +231,8 @@ namespace
       {
         std::ostringstream stream;
         stream.precision(precision);
-        for (unsigned int i = 0; i < data.size(); ++i)
-          stream << data[i] << ' ';
+        for (const T &el : data)
+          stream << el << ' ';
         return stream.str();
       }
   }
-- 
2.39.5