Method has_child

analytical_engine/apps/python_pie/wrapper.h:137–139

    return adj_list_t(fragment_->GetIncomingAdjList(v, e_label));
  }
  bool has_child(const vertex_t& v, label_id_t e_label) {
    return fragment_->HasChild(v, e_label);
  }
  bool has_parent(const vertex_t& v, label_id_t e_label) {
    return fragment_->HasParent(v, e_label);
  }