X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fposition.h;h=5d7cb372df60d338842bfd1031459775a2e6b7d2;hp=0d34aba44fe1c9e8fe74ba71dc4532e03f975cbc;hb=ed72a1e9ba37a9fa2674da8f46bb0597a1721c2d;hpb=80d7556af785f57a4f90d121c57c9c2f85a2963e

diff --git a/src/position.h b/src/position.h
index 0d34aba4..5d7cb372 100644
--- a/src/position.h
+++ b/src/position.h
@@ -28,7 +28,7 @@
 #include "types.h"
 
 class Position;
-struct Thread;
+class Thread;
 
 namespace PSQT {
 
@@ -37,7 +37,7 @@ namespace PSQT {
   void init();
 }
 
-/// CheckInfo struct is initialized at constructor time and keeps info used to 
+/// CheckInfo struct is initialized at constructor time and keeps info used to
 /// detect if a move gives check.
 
 struct CheckInfo {
@@ -82,8 +82,6 @@ struct StateInfo {
 
 class Position {
 
-  friend std::ostream& operator<<(std::ostream&, const Position&);
-
 public:
   static void init();
 
@@ -210,6 +208,8 @@ private:
   bool chess960;
 };
 
+extern std::ostream& operator<<(std::ostream& os, const Position& pos);
+
 inline Color Position::side_to_move() const {
   return sideToMove;
 }