message: Port caf-vec to the new node_id API
diff: @@ -150,7 +150,10 @@ std::istream& operator>>(std::istream& in, node_id& x) {
  string node_hex_id;
  uint32_t pid;
  if (in >> rd_line(node_hex_id, '#') >> pid) {
  - x = node_id{pid, node_hex_id};
  + if (auto nid = make_node_id(pid, node_hex_id))
  + x = std::move(*nid);
  + else
  + in.setstate(std::ios::failbit);
  }
  return in;
  }
  