140 struct RandState {  struct
147   const RandState<A> *parent;    // previous random state on this path  argument
149   RandState(StateId s, size_t n, size_t l, size_t k, const RandState<A> *p)  in RandState()  argument
152   RandState()  in RandState()  argument
189   bool Sample(const RandState<A> &rstate) {  in Sample()
268   bool Sample(const RandState<A> &rstate) {  in Sample()
392       RandState<A> *rstate = new RandState<A>(s, npath_, 0, 0, 0);  in Start()
451     const RandState<A> &rstate = *state_table_[s];  in Expand()
466         RandState<A> *nrstate =  in Expand()
467             new RandState<A>(aarc.nextstate, count, rstate.length + 1,  in Expand()
478             RandState<A> *nrstate = new RandState<A>(kNoStateId, 0, 0, 0, 0);  in Expand()
495   vector<RandState<A> *> state_table_;