Fix a warning with Intel compiler

[stockfish] / src / ucioption.cpp

diff --git a/src/ucioption.cpp b/src/ucioption.cpp
index dbab6fc106c833652069b5185b73339f2862db63..7bdbc0f8768fbaa46417a7218e9580e2e447deb7 100644 (file)
--- a/src/ucioption.cpp
+++ b/src/ucioption.cpp
@@ -67,11 +67,9 @@ void init(OptionsMap& o) {
   o["Passed Pawns (Midgame)"]   << Option(100, 0, 200, on_eval);
   o["Passed Pawns (Endgame)"]   << Option(100, 0, 200, on_eval);
   o["Space"]                    << Option(100, 0, 200, on_eval);
-  o["Aggressiveness"]           << Option(100, 0, 200, on_eval);
-  o["Cowardice"]                << Option(100, 0, 200, on_eval);
+  o["King Safety"]              << Option(100, 0, 200, on_eval);
   o["Min Split Depth"]          << Option(0, 0, 12, on_threads);
   o["Threads"]                  << Option(1, 1, MAX_THREADS, on_threads);
-  o["Idle Threads Sleep"]       << Option(true);
   o["Hash"]                     << Option(32, 1, 16384, on_hash_size);
   o["Clear Hash"]               << Option(on_clear_hash);
   o["Ponder"]                   << Option(true);
@@ -139,13 +137,12 @@ Option::operator std::string() const {
 
 /// operator<<() inits options and assigns idx in the correct printing order
 
-Option& Option::operator<<(const Option& o) {
+void Option::operator<<(const Option& o) {
 
-  static size_t index = 0;
+  static size_t insert_order = 0;
 
   *this = o;
-  idx = index++;
-  return *this;
+  idx = insert_order++;
 }