Method clear_has_role

src/system/proto/node.pb.h:249–251

  _has_bits_[0] |= 0x00000001u;
}
inline void Node::clear_has_role() {
  _has_bits_[0] &= ~0x00000001u;
}
inline void Node::clear_role() {
  role_ = 0;
  clear_has_role();