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-rw-r--r--examples/widgets/tutorials/addressbook/part5/addressbook.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/examples/widgets/tutorials/addressbook/part5/addressbook.h b/examples/widgets/tutorials/addressbook/part5/addressbook.h
index b60929a50c..9dd7ed1d89 100644
--- a/examples/widgets/tutorials/addressbook/part5/addressbook.h
+++ b/examples/widgets/tutorials/addressbook/part5/addressbook.h
@@ -69,7 +69,7 @@ class AddressBook : public QWidget
Q_OBJECT
public:
- AddressBook(QWidget *parent = 0);
+ AddressBook(QWidget *parent = nullptr);
enum Mode { NavigationMode, AddingMode, EditingMode };
public slots: