X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fucioption.cpp;h=1504f64ec41c8d88c3bfe40283a61907bb2af1bd;hp=c31a49e78ae9b62e4cbfb7872baf0edf8db31c1a;hb=e81d0d08c398f9a3708d9dadbb75d9b3feb5efaf;hpb=fad772f38753ef3f0ac745ace5f339073a6517b6

diff --git a/src/ucioption.cpp b/src/ucioption.cpp
index c31a49e7..1504f64e 100644
--- a/src/ucioption.cpp
+++ b/src/ucioption.cpp
@@ -64,11 +64,11 @@ namespace {
     size_t idx;
 
     Option();
-    Option(const std::string& defaultValue, OptionType = STRING);
+    Option(const char* defaultValue, OptionType = STRING);
     Option(bool defaultValue, OptionType = CHECK);
     Option(int defaultValue, int minValue, int maxValue);
 
-    bool operator<(const Option& o) { return this->idx < o.idx; }
+    bool operator<(const Option& o) const { return this->idx < o.idx; }
   };
 
   typedef std::map<std::string, Option> Options;
@@ -342,7 +342,7 @@ namespace {
 
   Option::Option() {} // To allow insertion in a std::map
 
-  Option::Option(const std::string& def, OptionType t)
+  Option::Option(const char* def, OptionType t)
   : defaultValue(def), currentValue(def), type(t), idx(options.size()), minValue(0), maxValue(0) {}
 
   Option::Option(bool def, OptionType t)