172 struct Edge {  struct
179     Edge()  in Edge()  argument
210     const Rule* rule_ = nullptr;
211     Pool* pool_ = nullptr;
212     std::vector<Node*> inputs_;
213     std::vector<Node*> outputs_;
214     std::vector<Node*> validations_;
215     Node* dyndep_ = nullptr;
216     BindingEnv* env_ = nullptr;
217     VisitMark mark_ = VisitNone;
218     size_t id_ = 0;
219     bool outputs_ready_ = false;
220     bool deps_loaded_ = false;
221     bool deps_missing_ = false;
222     bool generated_by_dep_loader_ = false;
223     TimeStamp command_start_time_ = 0;
225     const Rule& rule() const { return *rule_; }  in rule()
226     Pool* pool() const { return pool_; }  in pool()
227     int weight() const { return 1; }  in weight()
228     bool outputs_ready() const { return outputs_ready_; }  in outputs_ready()
238     int implicit_deps_ = 0;
239     int order_only_deps_ = 0;
240     bool is_implicit(size_t index) {  in is_implicit()
267 struct EdgeCmp {  argument
268     bool operator()(const Edge* a, const Edge* b) const {  in operator()  argument