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

Pick-to: 6.2
Change-Id: Iebce1b810ce00f29395207d93303363b3b71e52e
Reviewed-by: Cristian Maureira-Fredes <cristian.maureira-fredes@qt.io>
Reviewed-by: Ulf Hermann <ulf.hermann@qt.io>

1 files changed, 7 insertions, 6 deletions

diff --git a/examples/qml/referenceexamples/coercion/main.cpp b/examples/qml/referenceexamples/coercion/main.cpp
index 6b47d0d4c4..095602af9d 100644
--- a/examples/qml/referenceexamples/coercion/main.cpp
+++ b/examples/qml/referenceexamples/coercion/main.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.
@@ -47,6 +47,7 @@
 ** $QT_END_LICENSE$
 **
 ****************************************************************************/
+
 #include <QCoreApplication>
 #include <QQmlEngine>
 #include <QQmlComponent>
@@ -63,15 +64,15 @@ int main(int argc, char ** argv)
     auto *party = qobject_cast<BirthdayParty *>(component.create());
 
     if (party && party->host()) {
-        qWarning() << party->host()->name() << "is having a birthday!";
+        qInfo() << party->host()->name() << "is having a birthday!";
 
         if (qobject_cast<Boy *>(party->host()))
-            qWarning() << "He is inviting:";
+            qInfo() << "He is inviting:";
         else
-            qWarning() << "She is inviting:";
+            qInfo() << "She is inviting:";
 
-        for (int ii = 0; ii < party->guestCount(); ++ii)
-            qWarning() << "   " << party->guest(ii)->name();
+        for (qsizetype ii = 0; ii < party->guestCount(); ++ii)
+            qInfo() << "   " << party->guest(ii)->name();
 
         return EXIT_SUCCESS;
     }