Do not workaround function argument evaluation

[stockfish] / src / ucioption.h

diff --git a/src/ucioption.h b/src/ucioption.h
index 2eb937a8b7714eda0b2fcf250373afe9edfac046..75e4ac1301e6d85e2b7daf8bb451bfeeb670a20e 100644 (file)
--- a/src/ucioption.h
+++ b/src/ucioption.h
@@ -47,6 +47,7 @@ public:
   Option(int v, int min, int max, OnChange = NULL);
 
   Option& operator=(const std::string& v);
+  Option& operator<<(const Option& o);
   operator int() const;
   operator std::string() const;