Remove redundant extern modifier for function declarations

[stockfish] / src / position.h

diff --git a/src/position.h b/src/position.h
index 078ff5b79f23e9e2d85b943734f2c4713bbbb3bd..90247cb1823d97ce19ef9edba49999c7043d9810 100644 (file)
--- a/src/position.h
+++ b/src/position.h
@@ -204,7 +204,7 @@ private:
   bool chess960;
 };
 
-extern std::ostream& operator<<(std::ostream& os, const Position& pos);
+std::ostream& operator<<(std::ostream& os, const Position& pos);
 
 inline Color Position::side_to_move() const {
   return sideToMove;