X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fbook.h;h=1b7b72c4d90c0f9b326c1657a9db891cc7e1337b;hp=33f72fb517333f0fb511d1d74c1a0fe409742bd6;hb=29fb38976036d6691f6cbdf8990245ed74d79be2;hpb=5c81602d14539f8259a715477315e28b5de7cb54

diff --git a/src/book.h b/src/book.h
index 33f72fb5..1b7b72c4 100644
--- a/src/book.h
+++ b/src/book.h
@@ -53,11 +53,14 @@ struct BookEntry {
 };
 
 class Book : private std::ifstream {
+  Book(const Book&); // just decleared..
+  Book& operator=(const Book&); // ..to avoid a warning
 public:
+  Book() {}
   ~Book();
   void open(const std::string& fName);
   void close();
-  const std::string file_name() const;
+  const std::string file_name();
   Move get_move(const Position& pos);
 
 private: