Class from_handle_t

3rdparty/cppzmq/zmq.hpp:2102–2108

} // namespace detail

struct from_handle_t
{
    struct _private
    {
    }; // disabling use other than with from_handle
    ZMQ_CONSTEXPR_FN ZMQ_EXPLICIT from_handle_t(_private /*p*/) ZMQ_NOTHROW {}
};

ZMQ_CONSTEXPR_VAR from_handle_t from_handle =
  from_handle_t(from_handle_t::_private());