X-Git-Url: http://git.scottworley.com/slidingtile/blobdiff_plain/d85437b1e3f5a8ed633a90f6e2ee14ca2f7713b5..32688d85f745574d7bbf941985234458d2776cce:/sliding_tile_lib.h

diff --git a/sliding_tile_lib.h b/sliding_tile_lib.h
index 7e6004b..8967324 100644
--- a/sliding_tile_lib.h
+++ b/sliding_tile_lib.h
@@ -1,8 +1,14 @@
 #ifndef _SLIDING_TILE_LIB_H
 #define _SLIDING_TILE_LIB_H
 
+#include <istream>
+
 const int BOARD_DIM = 4;
 const int BOARD_SIZE = BOARD_DIM * BOARD_DIM;
+
+typedef signed char Board[BOARD_SIZE];
+std::istream& operator>>(std::istream& is, Board& board);
+
 extern signed char adjacent[BOARD_SIZE][5];
 
 #endif /* _SLIDING_TILE_LIB_H */