X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fposition.h;h=1070236be818ffbad0e07e214f5aa443ef2c3234;hp=0b2a0cca4e0f9afab86bbf667f0e4160947a6bb8;hb=d4af15f682c1967450233ab62cba1a6c5d601df6;hpb=e6310b3469b07b6bbecf8d8f75367a655090f22b

diff --git a/src/position.h b/src/position.h
index 0b2a0cca..1070236b 100644
--- a/src/position.h
+++ b/src/position.h
@@ -2,6 +2,7 @@
   Stockfish, a UCI chess playing engine derived from Glaurung 2.1
   Copyright (C) 2004-2008 Tord Romstad (Glaurung author)
   Copyright (C) 2008-2015 Marco Costalba, Joona Kiiski, Tord Romstad
+  Copyright (C) 2015-2016 Marco Costalba, Joona Kiiski, Gary Linscott, Tord Romstad
 
   Stockfish is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
@@ -28,7 +29,7 @@
 #include "types.h"
 
 class Position;
-struct Thread;
+class Thread;
 
 namespace PSQT {
 
@@ -37,8 +38,8 @@ 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 +83,6 @@ struct StateInfo {
 
 class Position {
 
-  friend std::ostream& operator<<(std::ostream&, const Position&);
-
 public:
   static void init();
 
@@ -210,6 +209,8 @@ private:
   bool chess960;
 };
 
+extern std::ostream& operator<<(std::ostream& os, const Position& pos);
+
 inline Color Position::side_to_move() const {
   return sideToMove;
 }