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diff --git a/sources/pyside2/doc/codesnippets/doc/src/snippets/signalsandslots/signalsandslots.cpp b/sources/pyside2/doc/codesnippets/doc/src/snippets/signalsandslots/signalsandslots.cpp
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--- a/sources/pyside2/doc/codesnippets/doc/src/snippets/signalsandslots/signalsandslots.cpp
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@@ -1,94 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2016 The Qt Company Ltd.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the examples of Qt for Python.
-**
-** $QT_BEGIN_LICENSE:BSD$
-** Commercial License Usage
-** Licensees holding valid commercial Qt licenses may use this file in
-** accordance with the commercial license agreement provided with the
-** Software or, alternatively, in accordance with the terms contained in
-** a written agreement between you and The Qt Company. For licensing terms
-** and conditions see https://www.qt.io/terms-conditions. For further
-** information use the contact form at https://www.qt.io/contact-us.
-**
-** BSD License Usage
-** Alternatively, you may use this file under the terms of the BSD license
-** as follows:
-**
-** "Redistribution and use in source and binary forms, with or without
-** modification, are permitted provided that the following conditions are
-** met:
-** * Redistributions of source code must retain the above copyright
-** notice, this list of conditions and the following disclaimer.
-** * Redistributions in binary form must reproduce the above copyright
-** notice, this list of conditions and the following disclaimer in
-** the documentation and/or other materials provided with the
-** distribution.
-** * Neither the name of The Qt Company Ltd nor the names of its
-** contributors may be used to endorse or promote products derived
-** from this software without specific prior written permission.
-**
-**
-** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#include <QAbstractButton>
-
-#include "signalsandslots.h"
-
-//! [0]
-void Counter::setValue(int value)
-{
- if (value != m_value) {
- m_value = value;
- emit valueChanged(value);
- }
-}
-//! [0]
-
-int main()
-{
-//! [1]
- Counter a, b;
-//! [1] //! [2]
- QObject::connect(&a, SIGNAL(valueChanged(int)),
- &b, SLOT(setValue(int)));
-//! [2]
-
-//! [3]
- a.setValue(12); // a.value() == 12, b.value() == 12
-//! [3] //! [4]
- b.setValue(48); // a.value() == 12, b.value() == 48
-//! [4]
-
-
- QWidget *widget = reinterpret_cast<QWidget *>(new QObject(0));
-//! [5]
- if (widget->inherits("QAbstractButton")) {
- QAbstractButton *button = static_cast<QAbstractButton *>(widget);
- button->toggle();
-//! [5] //! [6]
- }
-//! [6]
-
-//! [7]
- if (QAbstractButton *button = qobject_cast<QAbstractButton *>(widget))
- button->toggle();
-//! [7]
-}