@@ -1,7 +1,7 @@

 /*

  * Common conversion functions

  * By Naram Qashat (CyberBotX) [cyberbotx@cyberbotx.com]

- * Last modification on 2013-03-25

+ * Last modification on 2013-03-28

  */

 #ifndef _CONVERT_H_

@@ -66,7 +66,7 @@ template<typename T, typename S> inline T convertTo(const std::basic_string<S> &

 class ConvertFuncs

 {

 private:

-	static inline bool IsDigitsOnly(const std::string input, const std::locale &loc = std::locale::classic())

+	static inline bool IsDigitsOnly(const std::string &input, const std::locale &loc = std::locale::classic())

 	{

 		auto inputChars = std::vector<char>(input.begin(), input.end());

 		size_t length = inputChars.size();