Prefer std::find over a hand-coded loop

[stockfish] / src / movegen.h

diff --git a/src/movegen.h b/src/movegen.h
index d46b8ddb7c9b4d5021fdbbcd13ff5dd59d2872ca..f298fa07ba1094669e3b862517bc576848d0ca0d 100644 (file)
--- 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) 2015-2017 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;
@@ -38,6 +41,7 @@ struct ExtMove {
   Value value;
 
   operator Move() const { return move; }
+  void operator=(Move m) { move = m; }
 };
 
 inline bool operator<(const ExtMove& f, const ExtMove& s) {
@@ -57,8 +61,7 @@ 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: