returning unique pointers is now allowed

example/example14.cpp

@@ -31,4 +31,10 @@ void init_ex14(py::module &m) {
     m.def("print_void_ptr", [](void *ptr) { std::cout << "Got void ptr : " << (uint64_t) ptr << std::endl; });
     m.def("return_null_str", []() { return (char *) nullptr; });
     m.def("print_null_str", [](char *ptr) { std::cout << "Got null str : " << (uint64_t) ptr << std::endl; });
+
+    m.def("return_unique_ptr", []() -> std::unique_ptr<StringList> {
+        StringList *result = new StringList();
+        result->push_back("some value");
+        return std::unique_ptr<StringList>(result);
+    });
 }

example/example14.py

@@ -6,6 +6,7 @@ sys.path.append('.')
 from example import StringList, print_opaque_list
 from example import return_void_ptr, print_void_ptr
 from example import return_null_str, print_null_str
+from example import return_unique_ptr
 
 l = StringList()
 l.push_back("Element 1")
@@ -19,3 +20,5 @@ print_void_ptr(return_void_ptr())
 
 print(return_null_str())
 print_null_str(return_null_str())
+
+print(return_unique_ptr())

example/example14.ref

@@ -7,3 +7,4 @@ Opaque list:
 Got void ptr : 1234
 None
 Got null str : 0
+[u'some value']