Method empty

include/boost/filesystem/path.hpp:1001–1001

    //  -----  query  -----

    bool empty() const noexcept { return m_pathname.empty(); }
    bool filename_is_dot() const;
    bool filename_is_dot_dot() const;
    bool has_root_path() const { return detail::path_algorithms::find_root_path_size(*this) > 0; }