X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Fsquare.h;h=a4dde9cb6dc35300a366d5a9d9493c2d33a4c3d3;hb=61c03b9d22de0c1ccf0c60af4e223775d4b3f7cc;hp=d539e0054df8ed99ca4497f1b39fe6202adb4c8d;hpb=8e31764c49149cd73cdbfd8a251bb31f068bf799;p=stockfish

diff --git a/src/square.h b/src/square.h
index d539e005..a4dde9cb 100644
--- a/src/square.h
+++ b/src/square.h
@@ -64,6 +64,11 @@ enum SquareDelta {
   DELTA_NN = 020, DELTA_NNE = 021
 };
 
+ENABLE_OPERATORS_ON(Square);
+ENABLE_OPERATORS_ON(File);
+ENABLE_OPERATORS_ON(Rank);
+ENABLE_OPERATORS_ON(SquareDelta);
+
 
 ////
 //// Constants
@@ -155,10 +160,6 @@ inline char rank_to_char(Rank r) {
   return char(r - RANK_1 + int('1'));
 }
 
-inline Square square_from_string(const std::string& str) {
-  return make_square(file_from_char(str[0]), rank_from_char(str[1]));
-}
-
 inline const std::string square_to_string(Square s) {
   return  std::string(1, file_to_char(square_file(s)))
         + std::string(1, rank_to_char(square_rank(s)));