X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fmovegen.h;h=c2e7c3f1101bad9f5ec2d9ffcf85e956b70abb9c;hp=6a7f7e3ac51b4115f99e7bcef8a3296a7f69c39c;hb=bae019b53e5c2bfcf0d69b4ebfc52b4f4de762eb;hpb=e56e5045dd48489a304e2b46d5461361b205b237

diff --git a/src/movegen.h b/src/movegen.h
index 6a7f7e3a..c2e7c3f1 100644
--- a/src/movegen.h
+++ b/src/movegen.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) 2015-2020 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
@@ -20,6 +21,8 @@
 #ifndef MOVEGEN_H_INCLUDED
 #define MOVEGEN_H_INCLUDED
 
+#include <algorithm>
+
 #include "types.h"
 
 class Position;
@@ -35,10 +38,14 @@ enum GenType {
 
 struct ExtMove {
   Move move;
-  Value value;
+  int value;
 
   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) {
@@ -58,8 +65,7 @@ struct MoveList {
   const ExtMove* end() const { return last; }
   size_t size() const { return last - moveList; }
   bool contains(Move move) const {
-    for (const auto& m : *this) if (m == move) return true;
-    return false;
+    return std::find(begin(), end(), move) != end();
   }
 
 private: