X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fucioption.h;h=7af54739ba437c7b908c922d7c7c158b07d5acd2;hp=cde832318ca740ffea9bdbb4c29bc7fe211883ea;hb=ee838f56f7492f3a00927657e8dc3402c752cbd3;hpb=9934b8ec31483ceb98c19dfe4fface14fe384b32

diff --git a/src/ucioption.h b/src/ucioption.h
index cde83231..7af54739 100644
--- a/src/ucioption.h
+++ b/src/ucioption.h
@@ -30,12 +30,12 @@ struct OptionsMap;
 /// UCIOption class implements an option as defined by UCI protocol
 class UCIOption {
 
-  typedef void (Fn)(UCIOption&);
+  typedef void (Fn)(const UCIOption&);
 
 public:
-  UCIOption() {} // Required by std::map::operator[]
-  UCIOption(const char* v, Fn* = NULL);
+  UCIOption(Fn* = NULL);
   UCIOption(bool v, Fn* = NULL);
+  UCIOption(const char* v, Fn* = NULL);
   UCIOption(int v, int min, int max, Fn* = NULL);
 
   void operator=(const std::string& v);