Function toString

plugins/e57/libE57Format/src/StringFunctions.h:45–54

   /// @brief Convert number to decimal string
   template <class T> std::string toString( T x )
   {
      static_assert( std::is_integral<T>::value || std::is_enum<T>::value ||
                        std::is_floating_point<T>::value,
                     "Numeric type required." );

      std::ostringstream ss;
      ss << x;
      return ss.str();
   }

   /// @overload
   inline std::string hexString( uint8_t x )