Fixed some warnings when using -Weffc++ gcc option

[stockfish] / src / types.h

diff --git a/src/types.h b/src/types.h
index a85aa7f7292bea9417f8daecf0634f676bab61b1..f6d993d07cf56be595331b9ce3ed5f892559a63b 100644 (file)
--- a/src/types.h
+++ b/src/types.h
@@ -150,10 +150,10 @@ template<typename T>
 inline T operator- (const T d) { OK(T); return T(-int(d)); }
 
 template<typename T>
-inline void operator++ (T& d, int) { OK(T); d = T(int(d) + 1); }
+inline T operator++ (T& d, int) { OK(T); d = T(int(d) + 1); return d; }
 
 template<typename T>
-inline void operator-- (T& d, int) { OK(T); d = T(int(d) - 1); }
+inline T operator-- (T& d, int) { OK(T); d = T(int(d) - 1); return d; }
 
 template<typename T>
 inline void operator+= (T& d1, const T d2) { OK(T); d1 = d1 + d2; }