const std::set<Track *> &get_tracks() const { return tracks; }
const std::vector<Endpoint> &get_endpoints() const { return endpoints; }
int get_endpoint_by_link(const Block &) const;
- int traverse(unsigned, float * =0) const;
+ unsigned traverse(unsigned, float * =0) const;
void check_link(Block &);
Block *get_link(unsigned) const;
bool reserve(const Train *);