X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fmovegen.h;h=85887a64bb406ca7b65adfb9f9b63fa3b2e3ff9e;hp=8ae80118783c626dba484598282f5abb2653e99a;hb=573f0e364ff4c1e5928be2ca947f65c5d4e177d5;hpb=9da3b44ddc7bc9ea7094b91663cbc0f8319c46be

diff --git a/src/movegen.h b/src/movegen.h
index 8ae80118..85887a64 100644
--- a/src/movegen.h
+++ b/src/movegen.h
@@ -1,8 +1,6 @@
 /*
   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) 2015-2017 Marco Costalba, Joona Kiiski, Gary Linscott, Tord Romstad
+  Copyright (C) 2004-2021 The Stockfish developers (see AUTHORS file)
 
   Stockfish is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
@@ -42,6 +40,10 @@ struct ExtMove {
 
   operator Move() const { return move; }
   void operator=(Move m) { move = m; }
+
+  // Inhibit unwanted implicit conversions to Move
+  // with an ambiguity that yields to a compile error.
+  operator float() const = delete;
 };
 
 inline bool operator<(const ExtMove& f, const ExtMove& s) {