Mimic an iterator for looping across MoveList

[stockfish] / src / book.cpp

diff --git a/src/book.cpp b/src/book.cpp
index b8bce9e1d07ba3e6630ee9e8746f5294187bc46a..b906d766779ae8fbd391ef2d99b066dd44428ee4 100644 (file)
--- a/src/book.cpp
+++ b/src/book.cpp
@@ -436,9 +436,9 @@ Move PolyglotBook::probe(const Position& pos, const string& fName, bool pickBest
       move = make<PROMOTION>(from_sq(move), to_sq(move), PieceType(pt + 1));
 
   // Add 'special move' flags and verify it is legal
-  for (MoveList<LEGAL> ml(pos); !ml.end(); ++ml)
-      if (move == (ml.move() ^ type_of(ml.move())))
-          return ml.move();
+  for (MoveList<LEGAL> it(pos); !it.end(); ++it)
+      if (move == (*it ^ type_of(*it)))
+          return *it;
 
   return MOVE_NONE;
 }