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authorOlivier Goffart <olivier.goffart@nokia.com>2010-07-26 12:03:00 (GMT)
committerOlivier Goffart <olivier.goffart@nokia.com>2010-07-26 14:04:18 (GMT)
commita882a46b1c60e5774ade68eaac60922b19a08835 (patch)
treed603f2ad38e235392e3bccdee51836c2667cfda7 /doc/src/snippets/code/doc_src_qalgorithms.qdoc
parent3a08c5b1682e211bf664c21850187e2b15e89c23 (diff)
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Doc: use const& in foreach when applicable.
Const reference are slightly faster than doing a copy of the object on each iteration. Lead by example by having this pattern right in our documentation
Diffstat (limited to 'doc/src/snippets/code/doc_src_qalgorithms.qdoc')
-rw-r--r--doc/src/snippets/code/doc_src_qalgorithms.qdoc2
1 files changed, 1 insertions, 1 deletions
diff --git a/doc/src/snippets/code/doc_src_qalgorithms.qdoc b/doc/src/snippets/code/doc_src_qalgorithms.qdoc
index 78634a2..f5a73c6 100644
--- a/doc/src/snippets/code/doc_src_qalgorithms.qdoc
+++ b/doc/src/snippets/code/doc_src_qalgorithms.qdoc
@@ -217,7 +217,7 @@ QStringList list;
list << "AlPha" << "beTA" << "gamma" << "DELTA";
QMap<QString, QString> map;
-foreach (QString str, list)
+foreach (const QString &str, list)
map.insert(str.toLower(), str);
list = map.values();