Polish the QML reference examples

- Use member initialization, which allows for using
  constructors from the base classes
- Use qsizetype for indexes
- Use qInfo() instead of qWarning() for printing
- Add spaces/fix formatting

Change-Id: Iebce1b810ce00f29395207d93303363b3b71e52e
Reviewed-by: Cristian Maureira-Fredes <cristian.maureira-fredes@qt.io>
Reviewed-by: Ulf Hermann <ulf.hermann@qt.io>
(cherry picked from commit c442ed4d65b0319e4abd7a931cfb2f1f72842b84)
Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io>

1 files changed, 2 insertions, 6 deletions

diff --git a/examples/qml/referenceexamples/adding/person.cpp b/examples/qml/referenceexamples/adding/person.cpp
index de4a33dd00..4741442cf0 100644
--- a/examples/qml/referenceexamples/adding/person.cpp
+++ b/examples/qml/referenceexamples/adding/person.cpp
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2017 The Qt Company Ltd.
+** Copyright (C) 2021 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the examples of the Qt Toolkit.
@@ -47,14 +47,10 @@
 ** $QT_END_LICENSE$
 **
 ****************************************************************************/
+
 #include "person.h"
 
 // ![0]
-Person::Person(QObject *parent)
-: QObject(parent), m_shoeSize(0)
-{
-}
-
 QString Person::name() const
 {
     return m_name;