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-rw-r--r--src/gui/doc/snippets/dragging/mainwindow.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/gui/doc/snippets/dragging/mainwindow.h b/src/gui/doc/snippets/dragging/mainwindow.h
index 8a8e43b2231..fd7f659b2da 100644
--- a/src/gui/doc/snippets/dragging/mainwindow.h
+++ b/src/gui/doc/snippets/dragging/mainwindow.h
@@ -65,7 +65,7 @@ class MainWindow : public QMainWindow
Q_OBJECT
public:
- MainWindow(QWidget *parent = 0);
+ explicit MainWindow(QWidget *parent = nullptr);
protected:
void mousePressEvent(QMouseEvent *event) override;