Doc: Make QListIterator snippets more robust

  qDebug() << i.next();

can become a NOOP if the code is compiled with QT_NO_DEBUG_OUTPUT.

Pick-to: 5.15 6.2 6.3
Fixes: QTBUG-97535
Change-Id: I9085b40ac9b4de2bb06f16e03fd5100902b08d4f
Reviewed-by: Marc Mutz <marc.mutz@qt.io>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/corelib/doc/snippets/code/src_corelib_text_qstringiterator.cpp b/src/corelib/doc/snippets/code/src_corelib_text_qstringiterator.cpp
index 8085e32787..22c30edc2c 100644
--- a/src/corelib/doc/snippets/code/src_corelib_text_qstringiterator.cpp
+++ b/src/corelib/doc/snippets/code/src_corelib_text_qstringiterator.cpp
@@ -63,7 +63,7 @@ QStringIterator i(string); // implicitly converted to QStringView
 
 //! [1]
 while (i.hasNext())
-    qDebug() << i.next();
+    uint c = i.next();
 //! [1]
 }