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++ // Copyright (C) 2016 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
++
++ #ifndef CALCULATORFORM_H
++ #define CALCULATORFORM_H
++
++ //! [0]
++ #include "ui_calculatorform.h"
++ //! [0]
++
++ //! [1]
++ class CalculatorForm : public QWidget
++ {
++ Q_OBJECT
++
++ public:
++ explicit CalculatorForm(QWidget *parent = nullptr);
++
++ private slots:
++ void updateResult();
++
++ private:
++ Ui::CalculatorForm ui;
++ };
++ //! [1]
++
++ #endif