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[stockfish] / src / ucioption.cpp

diff --git a/src/ucioption.cpp b/src/ucioption.cpp
index c78237641d061a3fa513722f13188d573165bc80..06641cf5081908aa04c804b4ba2e75c022cc2db2 100644 (file)
--- a/src/ucioption.cpp
+++ b/src/ucioption.cpp
@@ -81,7 +81,7 @@ void init(OptionsMap& o) {
 std::ostream& operator<<(std::ostream& os, const OptionsMap& om) {
 
   for (size_t idx = 0; idx < om.size(); ++idx)
-      for (auto& it : om)
+      for (const auto& it : om)
           if (it.second.idx == idx)
           {
               const Option& o = it.second;