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Adding classu alias for class_<U, std::unique_ptr<U>>.

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Ralf W. Grosse-Kunstleve 2021-01-28 18:34:59 -08:00
parent 1e4c2e04ae
commit 149e332b3e
2 changed files with 10 additions and 1 deletions
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8
include/pybind11/smart_holder.h
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@ -19,4 +19,12 @@ public:
using class_<type_, smart_holder, options...>::class_;
};
// Similar in idea to `py::classh`, but for `std::unique_ptr<U>` holder, to support
// an easier transition to `py::smart_holder` as default holder.
template <typename type_, typename... options>
class classu : public class_<type_, std::unique_ptr<type_>, options...> {
public:
using class_<type_, std::unique_ptr<type_>, options...>::class_;
};
PYBIND11_NAMESPACE_END(PYBIND11_NAMESPACE)

3
tests/test_class_sh_unique_ptr_member.cpp
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@ -50,7 +50,8 @@ TEST_SUBMODULE(class_sh_unique_ptr_member, m) {
m.def("make_unique_pointee", make_unique_pointee);
py::class_<ptr_owner>(m, "ptr_owner")
// Could also be class_, but can conveniently be used for testing classu.
py::classu<ptr_owner>(m, "ptr_owner")
.def(py::init<std::unique_ptr<pointee>>(), py::arg("ptr"))
.def("is_owner", &ptr_owner::is_owner)
.def("give_up_ownership_via_unique_ptr", &ptr_owner::give_up_ownership_via_unique_ptr)