161 bool CycleBreaker::Circuit(Vertex::Index vertex, Vertex::Index depth) {  in Circuit()  argument
164   stack_.push_back(vertex);  in Circuit()
165   blocked_[vertex] = true;  in Circuit()
181            subgraph_[vertex].subgraph_edges.begin();  in Circuit()
182        w != subgraph_[vertex].subgraph_edges.end();  in Circuit()
200     Unblock(vertex);  in Circuit()
203              subgraph_[vertex].subgraph_edges.begin();  in Circuit()
204          w != subgraph_[vertex].subgraph_edges.end();  in Circuit()
206       if (blocked_graph_[*w].out_edges.find(vertex) ==  in Circuit()
209             make_pair(vertex, EdgeProperties()));  in Circuit()
213   CHECK_EQ(vertex, stack_.back());  in Circuit()