X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fposition.h;h=5d7cb372df60d338842bfd1031459775a2e6b7d2;hp=0b2a0cca4e0f9afab86bbf667f0e4160947a6bb8;hb=2c1797ab81957221266f7dd445845a1a525ccb9d;hpb=e6310b3469b07b6bbecf8d8f75367a655090f22b

diff --git a/src/position.h b/src/position.h
index 0b2a0cca..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 {
 
@@ -37,8 +37,8 @@ namespace PSQT {
   void init();
 }
 
-/// CheckInfo struct is initialized at c'tor time and keeps info used to detect
-/// if a move gives check.
+/// 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;
 }