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-rw-r--r--examples/widgets/painting/basicdrawing/renderarea.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/examples/widgets/painting/basicdrawing/renderarea.h b/examples/widgets/painting/basicdrawing/renderarea.h
index fb4aab470b..5f85aa7f96 100644
--- a/examples/widgets/painting/basicdrawing/renderarea.h
+++ b/examples/widgets/painting/basicdrawing/renderarea.h
@@ -65,7 +65,7 @@ public:
enum Shape { Line, Points, Polyline, Polygon, Rect, RoundedRect, Ellipse, Arc,
Chord, Pie, Path, Text, Pixmap };
- RenderArea(QWidget *parent = 0);
+ explicit RenderArea(QWidget *parent = nullptr);
QSize minimumSizeHint() const override;
QSize sizeHint() const override;