X-Git-Url: http://git.scottworley.com/slidingtile/blobdiff_plain/537a8dc7ce26e6ab5cf3c82ecce388d08566a8b8..8e3c9cff3a9dbe44519dcea244d528809cc45821:/sliding_tile_lib.h

diff --git a/sliding_tile_lib.h b/sliding_tile_lib.h
index de2ca1f..f0753fc 100644
--- a/sliding_tile_lib.h
+++ b/sliding_tile_lib.h
@@ -30,6 +30,7 @@ std::ostream& operator<<(std::ostream& os, const Board& board);
 
 struct Step {
   Step(Board board, std::shared_ptr<Step> prev);
+  ~Step();
 
   Board board;
   std::shared_ptr<Step> prev;
@@ -39,10 +40,11 @@ struct Step {
   int cost(const InvertedBoard& invgoal) const;
 
   static signed char adjacent[BOARD_SIZE][5];
+  static int count;
 };
 std::ostream& operator<<(std::ostream& os, const Step& step);
 
-std::shared_ptr<Step> find_path(const std::string& start, const std::string& goal);
-std::shared_ptr<Step> find_path(const Board& start, const Board& goal);
+std::shared_ptr<Step> find_path(const std::string& start, const std::string& goal, unsigned max_frontier);
+std::shared_ptr<Step> find_path(const Board& start, const Board& goal, unsigned max_frontier);
 
 #endif /* _SLIDING_TILE_LIB_H */