libshiboken: Replace AutoDecRef::operator= by a reset() method

The operators cause compiler warnings about multiple versions and
missing return types. Replace them by a reset() method (modeled after
std::unique_ptr, QScopedPointer).

This implies some changes in the templates.

Change-Id: I21a8fb9b84ecdfecf9671fa113f1bb3c6483166f
Reviewed-by: Christian Tismer <tismer@stackless.com>
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: Cristian Maureira-Fredes <cristian.maureira-fredes@qt.io>

1 files changed, 2 insertions, 3 deletions

diff --git a/sources/pyside2/libpyside/signalmanager.cpp.in b/sources/pyside2/libpyside/signalmanager.cpp.in
index 390f472db..ea0d692d8 100644
--- a/sources/pyside2/libpyside/signalmanager.cpp.in
+++ b/sources/pyside2/libpyside/signalmanager.cpp.in
@@ -205,9 +205,8 @@ QDataStream &operator>>(QDataStream& in, PyObjectWrapper& myObj)
     in >> repr;
     Shiboken::AutoDecRef pyCode(PyBytes_FromStringAndSize(repr.data(), repr.size()));
     Shiboken::AutoDecRef value(PyObject_CallFunctionObjArgs(eval_func, pyCode.object(), 0));
-    if (!value.object()) {
-        value = Py_None;
-    }
+    if (!value.object())
+        value.reset(Py_None);
     myObj = PyObjectWrapper(value);
     return in;
 }