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-rw-r--r--examples/designer/calculatorform/calculatorform.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/examples/designer/calculatorform/calculatorform.h b/examples/designer/calculatorform/calculatorform.h
index f8c3b04e2..a521b0c73 100644
--- a/examples/designer/calculatorform/calculatorform.h
+++ b/examples/designer/calculatorform/calculatorform.h
@@ -61,7 +61,7 @@ class CalculatorForm : public QWidget
Q_OBJECT
public:
- CalculatorForm(QWidget *parent = 0);
+ explicit CalculatorForm(QWidget *parent = nullptr);
private slots:
void on_inputSpinBox1_valueChanged(int value);