Method clear

include/pybind11/pytypes.h:2218–2218

    detail::dict_iterator begin() const { return {*this, 0}; }
    detail::dict_iterator end() const { return {}; }
    void clear() /* py-non-const */ { PyDict_Clear(ptr()); }
    template <typename T>
    bool contains(T &&key) const {
        auto result = PyDict_Contains(m_ptr, detail::object_or_cast(std::forward<T>(key)).ptr());