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-rw-r--r--doc/src/snippets/code/src_corelib_tools_qscopedpointer.cpp64
1 files changed, 64 insertions, 0 deletions
diff --git a/doc/src/snippets/code/src_corelib_tools_qscopedpointer.cpp b/doc/src/snippets/code/src_corelib_tools_qscopedpointer.cpp
new file mode 100644
index 0000000..05377dd
--- /dev/null
+++ b/doc/src/snippets/code/src_corelib_tools_qscopedpointer.cpp
@@ -0,0 +1,64 @@
+//! [0]
+void myFunction(bool useSubClass)
+{
+ MyClass *p = useSubClass ? new MyClass() : new MySubClass;
+ QIODevice *device = handsOverOwnership();
+ QIODevi
+
+ if (m_value > 3) {
+ delete p;
+ delete device;
+ return;
+ }
+
+ try {
+ process(device);
+ }
+ catch (...) {
+ delete p;
+ delete device;
+ throw;
+ }
+
+ delete p;
+ delete device;
+}
+//! [0]
+
+//! [1]
+void myFunction(bool useSubClass)
+{
+ QScopedPointer<MyClass> p(useSubClass ? new MyClass() : new MySubClass);
+ QScopedPointer<QIODevice> device(handsOverOwnership());
+
+ if (m_value > 3)
+ return;
+
+ process(device);
+}
+//! [1]
+
+//! [2]
+ const QWidget *const p = new QWidget();
+ // is equivalent to:
+ const QScopedPointer<const QWidget> p(new QWidget());
+
+ QWidget *const p = new QWidget();
+ // is equivalent to:
+ const QScopedPointer<QWidget> p(new QWidget());
+
+ QWidget *const p = new QWidget();
+ // is equivalent to:
+ const QScopedPointer<QWidget> p(new QWidget());
+
+ const QWidget *p = new QWidget();
+ // is equivalent to:
+ QScopedPointer<const QWidget> p(new QWidget());
+
+//! [2]
+
+//! [3]
+if (scopedPointer) {
+ ...
+}
+//! [3]