| 120 | { |
| 121 | template <class Encoder, class T, class... Unused> |
| 122 | typename std::enable_if<std::is_base_of<detail::encoder, Encoder>::value>::type |
| 123 | serialize(Encoder &, T const &, char const *, Unused && ...) |
| 124 | { |
| 125 | } |
| 126 | } |
| 127 | |
| 128 | namespace detail |