Xuehai Pan 6bf25d1e39 feat: add semi-public API: pybind11::detail::is_holder_constructed (#5669) ...

* Add semi-public API: `pybind11::detail::is_holder_constructed`

* Update docs for `pybind11::custom_type_setup`

* Update tests in `test_custom_type_setup.cpp`

* Apply suggestions from code review

2025-05-18 21:11:56 -04:00

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pybind11

feat: add semi-public API: pybind11::detail::is_holder_constructed (#5669)

2025-05-18 21:11:56 -04:00